FINAL PHASE I ENVIRONMENTAL SITE ASSESSMENT GRAZING … · 2019-04-18 · protections” [LLP])—that is, the practices that constitute “all appropriate inquiry into the previous

FINAL

PHASE I ENVIRONMENTAL SITE ASSESSMENT

GRAZING YAK SOLAR PROJECT

EL PASO COUNTY, COLORADO

Prepared for:

Grazing Yak Solar, LLC 700 Universe Blvd.

Juno Beach, FL 33408

Prepared by:

Tetra Tech, Inc. 350 Indiana Street, Suite 500

Golden, Colorado 80401

Attorney-Client Communication/Attorney Work Product

Prepared at the Direction of Legal Counsel

November 26, 2018

Phase I Environmental Site Assessment Grazing Yak Solar Project

Tetra Tech, Inc. i November 2018

TABLE OF CONTENTS

Section Page

EXECUTIVE SUMMARY....................................................................................................................... ES-1

INTRODUCTION ......................................................................................................................... 1-1

1.1 PURPOSE ........................................................................................................................... 1-1 1.2 SCOPE OF SERVICES .................................................................................................... 1-2 1.3 SIGNIFICANT ASSUMPTIONS .................................................................................. 1-2 1.4 LIMITATIONS AND EXCEPTIONS OF ASSESSMENTS ................................... 1-2 1.5 SPECIAL TERMS AND CONDITIONS .................................................................... 1-3 1.6 USER RELIANCE ............................................................................................................ 1-3

SUBJECT PROPERTY DESCRIPTION ................................................................................... 2-1

2.1 LOCATION OF SUBJECT PROPERTY .................................................................... 2-1 2.2 SITE AND VICINITY GENERAL CHARACTERISTICS ..................................... 2-1 2.3 REGIONAL SETTING ................................................................................................... 2-1

2.3.1 Geology and Groundwater .................................................................................. 2-1 2.3.2 Soils ......................................................................................................................... 2-2 2.3.3 Climate .................................................................................................................... 2-2

2.4 USES OF THE SUBJECT PROPERTY ....................................................................... 2-2

2.4.1 Current Use ............................................................................................................ 2-2 2.4.2 Historical Use ........................................................................................................ 2-2

2.5 USES OF THE SURROUNDING AREA ................................................................... 2-2

2.5.1 Current Use ............................................................................................................ 2-2 2.5.2 Historical Use ........................................................................................................ 2-3

USER-PROVIDED INFORMATION ....................................................................................... 3-1

3.1 TITLE RECORDS ............................................................................................................ 3-1 3.2 SPECIALIZED KNOWLEDGE ................................................................................... 3-1 3.3 COMMONLY KNOWN OR REASONABLY ASCERTAINABLE

INFORMATION ............................................................................................................... 3-1 3.4 VALUATION REDUCTION FOR ENVIRONMENTAL ISSUES ...................... 3-1 3.5 OWNER, PROPERTY MANAGER, AND OCCUPANT INFORMATION ...... 3-1 3.6 REASON FOR PERFORMING PHASE I .................................................................. 3-1

RECORDS REVIEW ..................................................................................................................... 4-1

4.1 REGULATORY AGENCY DATABASE SEARCH ................................................. 4-1 4.2 DATABASE RESULTS FOR THE SUBJECT PROPERTY ................................... 4-1 4.3 ORPHAN SUMMARY ..................................................................................................... 4-1 4.4 REVIEW OF USER PROVIDED TITLE COMMITMENT RECORDS ............. 4-1

SITE RECONNAISSANCE ......................................................................................................... 5-2

5.1 GENERAL SITE SETTING AND OBSERVATIONS ............................................ 5-2


Tetra Tech, Inc. ii November 2018

5.2 SITE RECONNAISSANCE OBSERVATIONS ........................................................ 5-2

5.2.1 Summary of Observations ................................................................................... 5-2 5.2.2 Adjacent Property and Vicinity Findings .......................................................... 5-3

INTERVIEWS ................................................................................................................................. 6-1

6.1 USER QUESTIONNAIRE ............................................................................................. 6-1 6.2 LANDOWNER INTERVIEWS ..................................................................................... 6-1 6.3 INTERVIEWS WITH STATE AND/OR LOCAL GOVERNMENT OFFICIALS

............................................................................................................................................... 6-1

FINDINGS AND CONCLUSIONS ........................................................................................... 7-1

LIMITATIONS ............................................................................................................................... 8-1

SIGNATURE OF ENVIRONMENTAL PROFESSIONALS .............................................. 9-1

REFERENCES .............................................................................................................................. 10-1

TABLES

Tables

Table 1 Database Search Results for the Grazing Yak Solar Project

Table 2 Summary of Site Reconnaissance Observations

FIGURES

Figure

Figure 1 Property Location Map

Figure 2 Site Reconnaissance Location Map

APPENDICES

Appendix

Appendix A Regulatory Database Report

Appendix B Historical Topographic Maps

Appendix C Historical Aerial Photographs

Appendix D AAI Owner/User Questionnaire and Landowner Questionnaires

Appendix E Site Reconnaissance Photograph Log

Appendix F Credentials of Environmental Professionals


Tetra Tech, Inc. iii November 2018

ACRONYMS AND ABBREVIATIONS

AAI All Appropriate Inquiries

ACM Asbestos-containing material

amsl above mean sea level

AST Aboveground Storage Tank

ASTM American Society for Testing and Materials

bgs below ground surface

CERCLA Comprehensive Environmental Response, Compensation, and Liability Act

CERCLIS Comprehensive Environmental Response, Compensation and Liability

Information System

CFR Code of Federal Regulations

CORRACTS Corrective Action Reports

DNPL Delisted NPL

EDR Environmental Data Resources, Inc.

EPA U.S. Environmental Protection Agency

EPL Emergency Planning Letters

ERNS Emergency Response Notification System

ESA Environmental Site Assessment

FEMA Federal Emergency Management Agency

FINDS Facility Index System

Grazing Yak Grazing Yak Solar, LLC

HREC Historical recognized environmental condition

LBP Lead-based Paint

LLP Landowner liability protections

LUST Leaking underground storage tank

NextEra NextEra Energy Resources, LLC

NLR No Longer Regulated

NPL National Priorities List

NRCS Natural Resources Conservation Service

REC Recognized Environmental Condition

RCRA Resource Conservation and Recovery Act

RCRIS Resource Conservation and Recovery Information System

Tetra Tech Tetra Tech, Inc.

TSD Treatment, Storage, and Disposal


Tetra Tech, Inc. iv November 2018

USC United States Code

USDA U.S. Department of Agriculture

USGS U.S. Geological Survey

UST Underground Storage Tank

VCP Voluntary Cleanup

Tetra Tech, Inc. ES-1 November 2018

EXECUTIVE SUMMARY

On behalf of Grazing Yak Solar, LLC (Grazing Yak or User), a wholly-owned indirect subsidiary of

NextEra Energy Resources, LLC, Tetra Tech, Inc. (Tetra Tech) performed a Phase I Environmental

Site Assessment (ESA) for the Grazing Yak Solar Energy Project (Project) in El Paso County,

Colorado, which encompasses approximately 270 acres, plus an approximately one-mile proposed

underground collection line, hereafter referred to as the Subject Property. This Phase I ESA was

prepared in accordance with ASTM International (ASTM) Standard E2247-16, Standard Practice for

Environmental Site Assessments: Phase I Environmental Site Assessment Process for Forestland or Rural Property,

including the U.S. Environmental Protection Agency (EPA) All Appropriate Inquiry (AAI) standard.

The purpose of this Phase I ESA was to determine, to the maximum practicable, the presence or likely

presence of recognized environmental conditions (RECs) and/or historical RECs (HRECs) in, on, or

at a property.

Based on the site reconnaissance performed on November 9, 2018, the completed User

Questionnaire, landowner questionnaire, environmental regulatory search report provided by

Environmental Data Resources, Inc. (EDR), and review of historical topographic maps and aerial

photographs, no RECs were identified for the Subject Property.

Tetra Tech, Inc. 1-1 November 2018

INTRODUCTION

On behalf of Grazing Yak Solar, LLC (Grazing Yak or User), a wholly-owned indirect subsidiary of

NextEra Energy Resources, LLC, Tetra Tech, Inc. (Tetra Tech) performed a Phase I Environmental

Site Assessment (ESA) for the Grazing Yak Solar Energy Project in El Paso County, Colorado, which

encompasses approximately 270 acres, and an approximately one-mile proposed underground

collection line, hereafter referred to as the Subject Property. This Phase I ESA was prepared in

accordance with American Society of Testing and Materials International (ASTM) Standard E2247-

16, Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process for

Forestland or Rural Property, including the U.S. Environmental Protection Agency (EPA) All Appropriate

Inquiry (AAI) standard. The purpose of this Phase I ESA was to determine, to the maximum

practicable, the presence or likely presence of recognized environmental conditions (RECs) and/or

historical RECs (HRECs) in, on, or at a property.

The following sections discuss the purpose of this report, the scope of services, significant

assumptions, limitations and exceptions of assessments, and special terms and conditions.

1.1 PURPOSE

The goal of a Phase I ESA is to identify RECs and HRECs to the Subject Property. A REC is the

presence or likely presence of any hazardous substance or petroleum product in, on, or at a property:

(1) due to any release to the environment, (2) under conditions indicative of a release to the

environment, or (3) under conditions that pose a material threat of a future release to the environment.

The term includes hazardous substances or petroleum products, even under conditions in compliance

with laws. The term is not intended to include de minimis conditions that generally do not present a

material risk of harm to public health or the environment, and that generally would not be the subject

of an enforcement action if brought to the attention of appropriate governmental agencies (Section

1.1.2, ASTM Standard E2247-16) (ASTM 2016).

An HREC is a past release of any hazardous substance or petroleum product that has occurred in

connection with a property and has been addressed to the satisfaction of the applicable regulatory

authority or has met unrestricted use criteria established by a regulatory authority without the property

subjected to any required controls (Section 3.2.43 ASTM Standard E2247-16) (ASTM 2016). The term

is not intended to include de minimis conditions that generally do not present a threat to human health

or the environment, and that generally would not be the subject of an enforcement action if brought

to the attention of appropriate governmental agencies. Observed de minimis conditions are described

within this report.

This Phase I ESA is intended to satisfy one of the requirements for innocent landowner, contiguous

property owner, or bona fide prospective purchaser limitations on Comprehensive Environmental

Response, Compensation, and Liability Act (CERCLA) liability (hereafter “landowner liability



protections” [LLP])—that is, the practices that constitute “all appropriate inquiry into the previous

ownership and uses of the property consistent with good commercial or customary practice,” as

defined by the EPA AAI standard in 42 United States Code (USC) Section 9601 (35)(B).

1.2 SCOPE OF SERVICES

The scope of services was defined by Tetra Tech’s proposal dated October 10, 2018. The scope

included a regulatory database review, historical and physical records review, interviews, a visual

reconnaissance of the Subject Property and adjoining properties, compilation and evaluation of data,

and preparation of this report.

1.3 SIGNIFICANT ASSUMPTIONS

Tetra Tech assumes that all information obtained from others regarding the Subject Property is correct

and complete. Additionally, Tetra Tech assumes that Grazing Yak and the current owner(s) and/or

occupants have provided Tetra Tech with all reasonably ascertainable prior environmental

information concerning the Subject Property. Tetra Tech assumes that the User will read this report

in its entirety.

1.4 LIMITATIONS AND EXCEPTIONS OF ASSESSMENTS

Findings and conclusions presented in this report are based on the procedures described in ASTM

Standard E2247-16 – Standard Practice for Environmental Site Assessments: Phase I Environmental Site

Assessment Process for Forestland or Rural Property (ASTM 2016), including the EPA AAI standard. This

report was prepared based on a review of data, as described therein, in accordance with generally

accepted professional practices, applicable to work of similar nature and complexity of similar

localities, at the time the services were performed. The scope of this report is limited in nature and

intended to provide an evaluation of the current environmental conditions at the Subject Property at

the time of report preparation, and does not constitute definitive review of all potential environmental

impairments and situations not otherwise ascertainable from the available information and

observation.

Importantly, even the most comprehensive scope of services may not detect all environmental

liabilities. Therefore, nothing herein shall be construed as a representation or certification that the

Subject Property is either fully characterized or is free of environmental impairments and/or

contamination. This Phase I ESA conforms to the level of documentation required in ASTM Standard

E2247-16.

To conduct the investigation for this report, Tetra Tech relied upon information it believes to be

reliable.

Tetra Tech has endeavored to meet what it believes is the applicable standard of care for the services

performed and, in doing so, is obliged to advise Grazing Yak of Phase I ESA limitations. Tetra Tech



believes that providing information about limitations is essential to help clients identify and thereby

manage risks.

This Phase I ESA did not include any inquiry regarding radon, methane, asbestos-containing material

(ACM), lead-based paint (LBP), lead in drinking water, formaldehyde, endangered species, wetlands,

subsurface investigation activities, or other services or potential conditions or features not specifically

identified and discussed herein. This report describes any specific limitations attendant to additional

services or service enhancements requested or authorized by the client.

This report represents Tetra Tech’s service to Grazing Yak as of the report date. In that regard, the

report constitutes Tetra Tech’s final document, and the text of the report may not be altered in any

manner after final issuance of the same. Opinions conveyed in this report pertaining to environmental

conditions are based on information derived from the most recent site reconnaissance data and from

other activities described herein. Grazing Yak is herewith advised that the conditions observed by

Tetra Tech are subject to change. Certain indicators of presence of hazardous materials may have been

latent or not present at the time of the most recent site reconnaissance, and may have subsequently

become observable. In similar manner, the research effort conducted for a Phase I ESA is limited.

Further, the services herein shall in no way be construed, designed, or intended to be relied upon as

legal interpretation or advice.

1.5 SPECIAL TERMS AND CONDITIONS

No special terms and conditions pertaining to the Subject Property were brought to the attention of

Tetra Tech during this Phase I ESA.

1.6 USER RELIANCE

This report is an instrument of service of Tetra Tech, drawing from research and a review of specified

and reasonably ascertainable information and a reconnaissance of the Subject Property to identify

RECs and HRECs in general accordance with ASTM Standard E2247-16. Tetra Tech’s Phase I ESA

accorded with generally accepted practices of the profession applied in similar studies at the same time

and in the same geographical area, and Tetra Tech exerted that degree of care and skill generally

exercised by the profession under similar circumstances and conditions.

The term “User” is defined in ASTM Standard E2247-16 as “the party seeking to use Practice E2247-

16 to complete an environmental site assessment of the property. A User may include, without

limitation, a purchaser of property, a potential occupant of property, an owner of property, a lender,

or a property manager.” The scope of services and the report have been completed on behalf of and

for the exclusive use of Grazing Yak solely for Grazing Yak’s use of and reliance on the Phase I ESA

of the Subject Property. Grazing Yak Solar is the only party to which Tetra Tech has explained the

risks involved, and which has participated in shaping the scope of services needed to satisfactorily

manage those risks, if any, from the Grazing Yak’s point of view.



Accordingly, Tetra Tech’s findings and opinions related in this report may not be relied upon by any

party except Grazing Yak without the consent of Tetra Tech. Tetra Tech may be available to contract

with other parties to develop findings and opinions related specifically to such other parties’ unique

risk management concerns related to the Subject Property.


SUBJECT PROPERTY DESCRIPTION

This section briefly describes the Subject Property and the physical setting based on information

obtained from the Grazing Yak, a review of records, and general observations made regarding

property use at the time of site reconnaissance conducted November 9, 2018. Observations during

the site reconnaissance regarding current land use of the Subject Property and of adjoining properties

are described in Section 5, Site Reconnaissance.

2.1 LOCATION OF SUBJECT PROPERTY

The Subject Property is located in northwestern El Paso County, Colorado, and encompasses

approximately 270 acres, and also includes a proposed one-mile underground collection line (see

Figure 1). The northern boundary is approximately 3.75 miles southeast of Calhan, Colorado. Access

to the Subject Property is via Funk Road from the north and from Washington Road, which runs east

to west through the central portion of the Subject Property.

2.2 SITE AND VICINITY GENERAL CHARACTERISTICS

The Subject Property consists of rolling pasture land with an overhead transmission line in the

northeastern portion. Funk Road is present to the north of the collection line corridor and Washington

Road crosses from east to west through the southern portion of the collection line corridor. A

substation and operation and maintenance (O&M) building associated with the nearby Golden West

Wind facility were observed to the adjacent northwest of the collection line corridor.

2.3 REGIONAL SETTING

2.3.1 Geology and Groundwater

The Subject Property is located in the Colorado Piedmont region of the Great Plains and is primarily

underlain by the Cretaceous to Pliocene-aged Denver Basin Group (USGS, 2018). Unconsolidated

Quaternary-age older gravels and alluviums are underlain by the Cretaceous age Pierre Shale (Denver

Basin Group) in the area of the Subject Property.

Topographically, the Subject Property consists of man-made terraces and an embankment dam. The

elevation of the Subject Property ranges from approximately 6,715 feet above mean sea level (amsl)

in a natural drainage along the collection line corridor, to over 6,830 feet amsl in the southwestern

portion.

Horse Creek is the main surface water feature present in the northern portion of the Subject Property,

in addition to several unnamed creeks and drainages. Water wells in the area of the Subject Property

are generally deep (over 1,000 feet below ground surface) and tap the Denver Basin Denver Aquifer.

These wells are primarily used for domestic and general purposes (Colorado Department of Natural

Resources, 2018).



2.3.2 Soils

The primary surface soils on the Subject Property are classified into the following general units in

order of prominence within the area of the Subject Property (NRCS 2018). Soils that cover less than

3 percent of the area are not listed:

• Truckton sandy loam;

• Bresser sandy loam;

• Ascalon sandy loam; and

• Truckton-Bresser complex.

2.3.3 Climate

The Subject Property receives an average of 16.56 inches of rainfall and 39 inches of snowfall

annually. Temperatures range from an average high of 85 degrees Fahrenheit during the summer

season to an average low of 17 degrees Fahrenheit during the winter season (U.S. Climate Data

2018).

2.4 USES OF THE SUBJECT PROPERTY

2.4.1 Current Use

The Subject Property consists of terraced pasture land with an overhead transmission line located in

the northeastern portion. Washington Road crosses from east to west through the southern portion

of the collection line corridor and a two-track road is present in the central portion of the Subject

Property.

2.4.2 Historical Use

Based on a review of historical aerial photographs for the years 1999, 2004, 2009, and 2017 (Appendix

C) and topographic maps for the years 1954 and 1981 (Appendix B), historical uses have consisted of

pasture land traversed by natural creeks and drainages since at least 1999. Horse Creek is visible

crossing from east to west through the central portion of the collection line corridor in all reviewed

aerial photographs. A rectangular structure is present in the central portion of the Subject Property in

the 2017 aerial photograph. The structure has apparently been removed and was not present during

the site reconnaissance on November 9, 2018. However, evidence of the previous structure was noted

during the site reconnaissance (Appendix E, Photo 6).

2.5 USES OF THE SURROUNDING AREA

2.5.1 Current Use

Surrounding land uses consist of rural pasture land with the Golden West Wind facility, including

access roads and turbines, located to the adjacent south, west, and northeast. A substation and O&M



building were observed to the adjacent northwest of the collection line corridor. Additional structures

associated with the surrounding land use include rural residences, barns, corrals, and other rural

structures. Funk Road is located to the north of the collection line corridor.

2.5.2 Historical Use

Based on a review of historical aerial photographs for the years 1999, 2004, 2009, and 2017 (Appendix

C) and topographic maps for the years 1954 and 1981 (Appendix B), the areas surrounding the Subject

Property have consisted of pasture land with scattered rural residences since at least 1999. Beginning

in the 2017 aerial photo graph, a wind energy facility (Golden West) is located in the areas adjacent to

the Subject Property. A substation and O&M building are present to the adjacent northwest of the

collection line corridor and turbines with associated access roads are present to the adjacent south,

west, and northeast.


USER-PROVIDED INFORMATION

This section discusses information provided by Grazing Yak or Subject Property representative

relevant to the goals of this Phase I ESA.

3.1 TITLE RECORDS

No title information was provided to Tetra Tech for review during the preparation of this report.

3.2 SPECIALIZED KNOWLEDGE

No specialized knowledge was provided to Tetra Tech during preparation of this report.

3.3 COMMONLY KNOWN OR REASONABLY ASCERTAINABLE INFORMATION

No commonly known or reasonably ascertainable information available at the time of submission of

this report has not been covered in other sections.

3.4 VALUATION REDUCTION FOR ENVIRONMENTAL ISSUES

In a transaction involving purchase of a parcel of commercial real estate, the User shall consider the

relationship of the purchase price of the property to the fair market value of the property if the

property was not affected by hazardous substances or petroleum products. According to the

completed User Questionnaire (Appendix D), the lease price being paid for the Subject Property

reflects fair value in the opinion of the User.

3.5 OWNER, PROPERTY MANAGER, AND OCCUPANT INFORMATION

The Subject Property is owned by one private landowner. The contact information for the owner of

the Subject Property was provided to Tetra Tech by Grazing Yak.

3.6 REASON FOR PERFORMING PHASE I

The purpose of this Phase I ESA was to determine, to the maximum practicable, the presence or likely

presence of RECs and/or HRECs at the Subject Property.


RECORDS REVIEW

The records review section of the Phase I ESA included performing database searches and reviewing

physical setting information for the Subject Property and surrounding areas.

4.1 REGULATORY AGENCY DATABASE SEARCH

A search of readily available federal, state, regional, and local agency database listings was conducted

on November 8, 2018 by EDR, a subcontracted regulatory search service. The EDR report was

conducted on the entire Subject Property, as well as the respective search radii described in Table 1,

and is presented in Appendix A. EDR searched numerous government databases as described in detail

in their report, including, but not limited to the following databases and associated search radii (Table

1) distances specified in Section 8.2.1 of ASTM Standard E2247-16:

• Federal National Priorities List (NPL) within 1 mile

• Federal Delisted NPL (DNPL) within 0.5 mile

• Federal Comprehensive Environmental Response, Compensation and Liability Information

System (CERCLIS) within 0.5 mile

• Federal CERCLIS No Further Remedial Action Plan (NFRAP) on property or adjoining

properties

• Federal Resource Conservation and Recovery Act (RCRA) Corrective Action Reports

(CORRACTS) Treatment, Storage, and Disposal (TSD) facilities within 1 mile

• RCRA Non-CORRACTS TSD facilities within 1 mile

• Federal RCRA generators list (Resource Conservation and Recovery Information System

[RCRIS]) on the Subject Property and adjoining properties

• Federal Emergency Response Notification System (ERNS) list on the Properties

• State-equivalent NPL sites within 1 mile

• State-equivalent CERCLIS sites within 0.5 mile

• Solid waste landfills and/or solid waste disposal sites within 0.5 mile

• Leaking Underground Storage Tank (LUST) listing within 0.5 mile

• State-equivalent voluntary cleanup sites within 0.5 mile

• State-equivalent brownfield sites within 0.5 mile

4.2 DATABASE RESULTS FOR THE SUBJECT PROPERTY

Descriptions of the various databases searched are provided in Table 1. The EDR report for the

Subject Property is presented in Appendix A. The EDR database search report also includes searches

of numerous other databases not specifically required by the ASTM standard. One site was identified

on three databases by the EDR database search report, as described below:

RCRA-Conditionally Exempt Small Quantity Generator (CESQG)- The RCRA-CESQG

database includes information on sites which generate, transport, store, treat, and/or dispose of



hazardous waste. CESQG sites generate less than 100 kilogram (kg) of hazardous waste, or less than

one kg of acutely hazardous waste per month. One site was identified (EDR Map #1), as described

below.

Facility Index System (FINDS)- The FINDS is a centrally managed database that identifies

facilities, sites or places subject to environmental regulations or of environmental interest. One site

was identified (EDR Map #1), as described below.

Enforcement and Compliance History Information (ECHO)- The ECHO database provides

integrated compliance and enforcement information for about 80,000 regulated facilities nationwide.

One site was identified (EDR Map #1), as described below.

• Golden West Wind, 31145 Funk Road, Calhan, Colorado (EDR Map #1). This facility, located to

the adjacent northwest of the Subject Property, was listed on the RCRA- CESQG, FINDS,

and ECHO databases. The RCRA-CESQG listing indicates that this site was a used oil

transporter in 2015 and no regulatory violations have been reported. Additionally, no

violations were reported in either the FINDS or ECHO listings. Based on the lack of

regulatory violations, this listing does not represent a REC to the Subject Property.

Grazing Yak Solar Energy Project Phase I Environmental Site Assessment


Table 1. Database Search Results for the Grazing Yak Solar Project

Database Purpose Search Radius Search Results

NPL (Superfund) The NPL identifies federal Superfund sites with the highest priority for cleanup.

1.0 mile No NPL sites were identified within 1.0 mile of the Subject Property.

DNPL The NPL identifies federal Superfund sites that have been delisted by the EPA.

0.5 mile No delisted NPL sites were identified within 1.0 miles of the Subject Property.

CERCLIS The CERCLIS list identifies sites that EPA has investigated or is in the process of investigating for potential hazardous substance contamination. A CERCLIS site may or may not become a NPL site. The standard also requires the identification of CERCLIS No Further Remedial Action Plan (NFRAP) sites on a Subject Property or adjoining properties.

0.5 mile No CERCLIS sites were identified within 0.5 mile of the Subject Property.

CORRACTS The RCRA CORRACTS is used to track the status and filing of any corrective actions that have taken place at a facility.

1.0 mile No RCRA CORRACTS sites were identified within 1.0 mile of the Subject Property.

RCRA NonGen/NLR These facilities’ lists those facilities where treatment, storage, and/or disposal of hazardous wastes takes place and where corrective remedial action has not been required by USEPA, as defined and regulated by RCRA.

0.5 mile No RCRA NonGen/NLR sites were identified within 0.5 mile of the Subject Property.

ERNS The federal ERNS list records and stores information on reported releases of oil and hazardous substances.

Only identification of ERNS within the Subject Property.

No ERNS sites were identified within the boundaries of the Subject Property.

SWF Landfills and/or solid waste disposal sites are those sites that used to accept or currently accept waste of any kind for disposal onsite.

0.5 mile No SWF sites were identified within 0.5 mile of the Subject Property.

VCP State-equivalent voluntary cleanup sites 0.5 mile No VCP sites were identified within 0.5 mile of the Subject Property.

LUST The LUST database contains an inventory of reported leaking underground storage tank incidents.

0.5 mile No LUST sites were identified within 0.5 mile of the Subject Property.

UST and AST Sites The State UST and AST database identifies registered sites containing one or more ASTs and/or USTs.

Only identification of USTs and ASTs on the Subject Property or adjoining properties.

No AST or UST sites were identified on the Subject Property or adjoining properties.



Table 1. Database Search Results for the Grazing Yak Solar Project

Database Purpose Search Radius Search Results

Brownfield Sites Brownfields Sites are property abandoned or unused industrial or commercial property that is complicated by environmental contamination caused by regulated substances.

0.5 mile No Brownfields Sites were identified within 0.5 mile of the Subject Property.

RCRA-CESQG The RCRA-CESQG database includes information on sites which generate, transport, store, treat, and/or dispose of hazardous waste. CESQG sites generate less than 100 kilogram (kg) of hazardous waste, or less than one kg of acutely hazardous waste per month.

Only identification of RCRA-CESQG on the Subject Property or adjoining properties.

One RCRA-CESQG site (EDR Map #1) was identified adjacent to the Subject Property.

FINDS The FINDS is a centrally managed database that identifies facilities, sites or places subject to environmental regulations or of environmental interest.

Only identification of FINDS within the Subject Property.

One FINDS site (EDR Map #1) was identified within the boundaries Subject Property.

ECHO The ECHO database provides integrated compliance and enforcement information for about 80,000 regulated facilities nationwide.

Only identification of ECHO within the Subject Property.

One ECHO site (EDR Map #1) was identified within the boundaries Subject Property.



4.3 ORPHAN SUMMARY

The EDR Report did not identify any orphan sites with inadequate or incomplete address information.

4.4 REVIEW OF USER PROVIDED TITLE COMMITMENT RECORDS

A review of the User provided Title Commitment Records was not performed as a part of this Phase

I ESA.



SITE RECONNAISSANCE

Mr. Eric Mathers, Environmental Professional for Tetra Tech, conducted a reconnaissance of the

Subject Property on November 9, 2018. Mr. Mathers’s resume is included in Appendix F. During the

site reconnaissance, Mr. Mathers accessed the Subject Property using the gate near the northwest

corner of the property, which the landowner had unlocked for the site reconnaissance. Nearly all of

the property was accessible because the ground was dry and firm with low prairie grass. Steep berms

throughout the property limited accessibility is some locations. Additionally, there were several two

track roads on the Subject Property. Observations during the site reconnaissance are described below.

Photographic documentation of the Subject Property reconnaissance is presented in Appendix E.

5.1 GENERAL SITE SETTING AND OBSERVATIONS

The Subject Property is located in El Paso County, Colorado, and encompasses approximately 302

acres and includes an approximately one-mile proposed underground collection line (see Figure 1).

Figure 2 identifies the site reconnaissance photograph locations (Appendix E). Additional details

observed during the site reconnaissance are discussed below.

5.2 SITE RECONNAISSANCE OBSERVATIONS

5.2.1 Summary of Observations

Observed land uses primarily consisted of pasture land. Table 2 provides a summary of the

observations made during the site reconnaissance conducted on November 9, 2018.

Table 2. Summary of Site Reconnaissance Observations

Observation Comments/Photographs

Structures (existing) A rural homestead was observed adjacent to the Subject Property (Appendix E, Photo 2). No structures were present on the Subject Property.

Aboveground Storage Tanks None observed.

Underground Storage Tanks (USTs) or Evidence of USTs

None observed.

Drums or Other Containers None observed.

Chemicals or Hazardous Materials (other than de minimis quantities)

None observed.

Evidence of Leaks, Spills, or Releases Around ASTs, USTs, and/or Chemical Storage Areas

None observed.

On-Site Septic System None observed.

Sewage Disposal System None observed.

Potable Water Supply None observed.

Discolored or Stained Soil or Vegetation Potentially from Hazardous Substances

Alkaline-stained soil was observed near the northeast corner of the property, which is likely a result of water evaporation in a low-lying area (Appendix E, Photo 8). This does not represent a REC to the Subject Property.



Table 2. Summary of Site Reconnaissance Observations

Observation Comments/Photographs

Hazardous Waste Disposal Areas None observed.

Uncontained Debris, Refuse or Unidentified Waste Materials

Minor amounts of scattered trash were observed in the location of a former structure in the central portion of the Subject Property (Appendix E, Photo 6).

Standing Water or other Liquids None observed.

Catch Basins and Stormwater Drainage

None observed.

Pits/Ponds/Lagoons No standing water was observed; however, a dry pond was present (Appendix E, Photo 5).

Waste or Wastewater Discharges None observed.

Unusual Odors None observed.

Stressed Vegetation None observed.

Fill Material None observed.

Water Wells None observed.

Pad-Mounted Transformers None observed.

Pole-Mounted Transformers Pole-mounted transformers were observed in association with electrical distribution lines (Appendix E, Photo 7).

Other Observations The footprint of a former structure (Appendix E, Photo 6) was observed in the central portion of the Subject Property which measured approximately 65 feet by 125 feet. This former structure was reportedly used for growing operations and does not represent a REC to the Subject Property.

5.2.2 Adjacent Property and Vicinity Findings

Adjacent properties primarily consist of rural pasture land, with an operational wind energy facility

located to the north and south. Structures associated with the adjacent properties include rural

residences, barns, corrals, and other rural structures. The adjacent wind energy facility includes

turbines and unpaved access roads.

No RECs were identified on or adjacent to the Subject property during the site reconnaissance.



INTERVIEWS

6.1 USER QUESTIONNAIRE

The ASTM Standard E2247-16 requires that the User of an ESA provide certain information for

incorporation into the ESA report. Therefore, in order to meet the AAI rule, Grazing Yak was asked

to provide responses to questions presented in the User Questionnaire (Appendix D). The User

responses indicated that the User is not aware of environmental concerns for the Subject Property.

6.2 LANDOWNER INTERVIEWS

One landowner interview was conducted via telephone to complete an 18-question landowner

questionnaire. Tetra Tech contacted the one landowner, Ms. Henriatte Long, by phone on November

13, 2018. Ms. Long indicated that she has owned the property for 3 or 4 years and that tenant ranchers

have utilized the property. She noted that terraces and an embankment dam were constructed under

the previous ownership and that fill material may have been brought in for this purpose. She was not

aware of any environmental concerns for the Subject Property.

No RECs were identified for the Subject Property based on the landowner interview.

6.3 INTERVIEWS WITH STATE AND/OR LOCAL GOVERNMENT OFFICIALS

State and/or Local Government officials were not contacted during this ESA based on the amount

of information available from the regulatory database review and the fact that no environmental liens

or activity use limitations were identified for the Subject Property.



FINDINGS AND CONCLUSIONS

Tetra Tech performed this Phase I ESA in general accordance with ASTM Standard E2247-16. Based

on the site reconnaissance performed on November 9, 2018, landowner questionnaires, the completed

User Questionnaire, interviews, environmental regulatory database search report provided by EDR,

and review of historical topographic maps and aerial photographs, no RECs were identified for the

Subject Property.

Tetra Tech recommends that Grazing Yak consider the “shelf life” of Phase I documents in

determining risk. ASTM Standard E2247-16 states that a conforming Phase I report is valid for 180

days, and may be updated during the 180 days to one-year timeframe. A Phase I report is valid for use

in any of the CERCLA defenses only if updated within this time frame. If more than one year passes

following the final report date, the Phase I effort must be repeated to remain in compliance with

ASTM and to retain AAI protection.



LIMITATIONS

This report was compiled based partially on information supplied to Tetra Tech from outside sources

and other information in the public domain. The conclusions and opinions herein are based on the

information Tetra Tech obtained in compiling the report. This information is on file at Tetra Tech’s

office in Golden, Colorado. Tetra Tech makes no warranty as to the accuracy of statements made by

others that may be contained in the report; nor are any other warranties or guarantees, expressed or

implied, included or intended by the report except that it has been prepared in accordance with the

current generally accepted practices and standards consistent with the level of care and skill exercised

under similar circumstances by other professional consultants or firms performing the same or similar

services. Because the facts forming the basis for the report are subject to professional interpretation,

differing conclusions could be reached. Tetra Tech does not assume responsibility for discovery and

elimination of hazards that could cause accidents, injuries, or damage. Compliance with submitted

recommendations or suggestions does not assure elimination of hazards or fulfillment of client’s

obligations under local, state, or federal laws, or any modifications or changes to such laws. None of

the work performed hereunder shall constitute or be represented as a legal opinion of any kind or

nature, but shall be a representation of findings of fact from site reconnaissance and records examined.



SIGNATURE OF ENVIRONMENTAL PROFESSIONALS

We declare that, to the best of our professional knowledge and belief, we meet the definition of

environmental professional as defined in §312.10 of 40 Code of Federal Regulations (CFR) 312. We

have the specific qualifications based on education, training, and experience to assess a property of

the nature, history, and setting of the Subject Property. We have developed and performed the all

appropriate inquiries in conformance with the standards and practices set forth in 40 CFR Part 312.

Preparation of this Phase I ESA report was conducted by the following Tetra Tech personnel:

Mindy Sinnott Environmental Professional

This Phase I ESA report was reviewed by the following Tetra Tech personnel:

____________________________________

Rachel Miller, PG

Senior Technical Peer Reviewer



REFERENCES

ASTM International (ASTM). 2016. ASTM Standard E2247-16, Standard Practice for

Environmental Subject Property Assessments: Phase I Environmental Subject Property

Assessment Process for Forestland or Rural Property.

Colorado Department of Natural Resources, Division of Water Resources Map Viewer

http://water.state.co.us/DATAMAPS/GISANDMAPS/MAPVIEWER/Pages/FAQ.aspx.

Accessed November 13, 2018.

U.S. Climate Data, Colorado Springs, Colorado, https://www.usclimatedata.com/climate/colorado-

springs/colorado/united-states/usco0078. Accessed November 9, 2018

U.S. Department of Agriculture. Natural Resources Conservation Service (NRCS), 2018, Web Soil

Survey, http://websoilsurvey.nrcs.usda.gov/app/WebSoilSurvey.aspx. Accessed November

9, 2018.

U.S. Geological Survey, National Geologic Map Database Viewer, 2018.

https://ngmdb.usgs.gov/mapview/. Accessed November 12, 2018.

http://websoilsurvey.nrcs.usda.gov/app/WebSoilSurvey.aspx


Tetra Tech, Inc. November 2018

FIGURES

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Figure 1Project Location

Grazing Yak Solar, LLCEl Paso County, CO

November 2018

Project Boundary

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Figure 2Site Reconnaissance

Grazing Yak Solar, LLCEl Paso County, CO

November 2018

Photo Point

Project Boundary

TransportationLocal Road



APPENDIX A

REGULATORY DATABASE REPORT

tropeR rodirroC / aerA RDE

6 Armstrong Road, 4th floorShelton, CT 06484Toll Free: 800.352.0050www.edrnet.com

Grazing YakGrazing YakCalhan, CO 80808 Inquiry Number: 5478819.2sNovember 08, 2018

SECTION PAGE

Executive Summary ES1

Mapped Sites Summary 2

Key Map 2

Map Findings Summary 3

Focus Maps 7

Map Findings 19

Orphan Summary OR-1

Government Records Searched/Data Currency Tracking GR-1

TC5478819.2s Page 1

Thank you for your business.Please contact EDR at 1-800-352-0050

with any questions or comments.

Disclaimer - Copyright and Trademark Notice

This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental DataResources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist fromother sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTALDATA RESOURCES, INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION,MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALLENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE,ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL,CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLYLIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings,environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, norshould they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase IEnvironmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for anyproperty. Additionally, the information provided in this Report is not to be construed as legal advice.

Copyright 2018 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in wholeor in part, of any report or map of Environmental Data Resources, Inc., or its affiliates, is prohibited without prior written permission.

EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All othertrademarks used herein are the property of their respective owners.

TABLE OF CONTENTS

EXECUTIVE SUMMARY

TC5478819.2s EXECUTIVE SUMMARY 1

A search of available environmental records was conducted by Environmental Data Resources, Inc (EDR).The report was designed to assist parties seeking to meet the search requirements of EPA’s Standardsand Practices for All Appropriate Inquiries (40 CFR Part 312), the ASTM Standard Practice forEnvironmental Site Assessments (E 1527-13), the ASTM Standard Practice for Environmental SiteAssessments for Forestland or Rural Property (E 2247-16), the ASTM Standard Practice for LimitedEnvironmental Due Diligence: Transaction Screen Process (E 1528-14) or custom requirements developedfor the evaluation of environmental risk associated with a parcel of real estate.

SUBJECT PROPERTY INFORMATION

ADDRESS

GRAZING YAKCALHAN, CO 80808

TARGET PROPERTY SEARCH RESULTS

The Target Property was identified in the following databases.

Page Numbers and Map Identifcations refer to the EDR Area/Corridor Report where detailed data onindividual sites can be reviewed.

Sites listed in bold italics are in multiple databases.

SURROUNDING SITES: SEARCH RESULTS

Surrounding sites were identified in the following databases.

Page Numbers and Map Identifcations refer to the EDR Area/Corridor Report where detailed data on individualsites can be reviewed.

Sites listed in bold italics are in multiple databases.

Unmappable (orphan) sites are not considered in the foregoing analysis.

STANDARD ENVIRONMENTAL RECORDS

Federal RCRA generators list

RCRA-CESQG: RCRA - Conditionally Exempt Small Quantity Generator

A review of the RCRA-CESQG list, as provided by EDR, and dated 03/01/2018 has revealed that there is1 RCRA-CESQG site within approximately 0.25 miles of the requested target property.

Site Address Direction / Distance Map ID / Focus Map(s) Page

GOLDEN WEST WIND 31145 FUNK RD WNW 1/8 - 1/4 (0.170 mi.) 1 / 2 18EPA ID:: COR000239822

TC5478819.2s Page 2

1 / 2 GOLDEN WEST WIND 31145 FUNK RD RCRA-CESQG, FINDS, ECHO 896 0.170 WNW

MAPPED SITES SUMMARY

Target Property:GRAZING YAKCALHAN, CO 80808

FOCUS MAPDIST (ft. & mi.)MAP ID /

DATABASE ACRONYMS DIRECTIONSITE NAME ADDRESS

MAP FINDINGS SUMMARY

SearchTargetDistance Total

Database Property(Miles) < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted


Federal NPL site list

0 NR 0 0 0 0 1.000NPL 0 NR 0 0 0 0 1.000Proposed NPL 0 NR NR NR NR NR TPNPL LIENS

Federal Delisted NPL site list

0 NR 0 0 0 0 1.000Delisted NPL

Federal CERCLIS list

0 NR NR 0 0 0 0.500FEDERAL FACILITY 0 NR NR 0 0 0 0.500SEMS

Federal CERCLIS NFRAP site list

0 NR NR 0 0 0 0.500SEMS-ARCHIVE

Federal RCRA CORRACTS facilities list

0 NR 0 0 0 0 1.000CORRACTS

Federal RCRA non-CORRACTS TSD facilities list

0 NR NR 0 0 0 0.500RCRA-TSDF

Federal RCRA generators list

0 NR NR NR 0 0 0.250RCRA-LQG 0 NR NR NR 0 0 0.250RCRA-SQG 1 NR NR NR 1 0 0.250RCRA-CESQG

Federal institutional controls /engineering controls registries

0 NR NR 0 0 0 0.500LUCIS 0 NR NR 0 0 0 0.500US ENG CONTROLS 0 NR NR 0 0 0 0.500US INST CONTROL

Federal ERNS list

0 NR NR NR NR NR TPERNS

State- and tribal - equivalent CERCLIS

N/A N/A N/A N/A N/A N/A N/ASHWS

State and tribal landfill and/orsolid waste disposal site lists

0 NR NR 0 0 0 0.500SWF/LF

State and tribal leaking storage tank lists

0 NR NR 0 0 0 0.500LAST 0 NR NR 0 0 0 0.500LUST 0 NR NR 0 0 0 0.500INDIAN LUST 0 NR NR 0 0 0 0.500LUST TRUST

TC5478819.2s Page 1




0 NR NR 0 0 0 0.500LTANKS

State and tribal registered storage tank lists

0 NR NR NR 0 0 0.250FEMA UST 0 NR NR NR 0 0 0.250UST 0 NR NR NR 0 0 0.250AST 0 NR NR NR 0 0 0.250INDIAN UST

State and tribal institutionalcontrol / engineering control registries

0 NR NR 0 0 0 0.500AUL

State and tribal voluntary cleanup sites

0 NR NR 0 0 0 0.500INDIAN VCP 0 NR NR 0 0 0 0.500VCP

State and tribal Brownfields sites

0 NR NR 0 0 0 0.500BROWNFIELDS

ADDITIONAL ENVIRONMENTAL RECORDS

Local Brownfield lists

0 NR NR 0 0 0 0.500US BROWNFIELDS

Local Lists of Landfill / SolidWaste Disposal Sites

0 NR NR 0 0 0 0.500HIST LF 0 NR NR 0 0 0 0.500SWRCY 0 NR NR 0 0 0 0.500INDIAN ODI 0 NR NR 0 0 0 0.500ODI 0 NR NR 0 0 0 0.500DEBRIS REGION 9 0 NR NR 0 0 0 0.500IHS OPEN DUMPS

Local Lists of Hazardous waste /Contaminated Sites

0 NR NR NR NR NR TPUS HIST CDL 0 NR NR NR NR NR TPCDL 0 NR NR NR NR NR TPUS CDL

Local Land Records

0 NR NR NR NR NR TPLIENS 2

Records of Emergency Release Reports

0 NR NR NR NR NR TPHMIRS 0 NR NR NR NR NR TPSPILLS 0 NR NR NR NR NR TPCO ERNS 0 NR NR NR NR NR TPSPILLS 90

Other Ascertainable Records

0 NR NR NR 0 0 0.250RCRA NonGen / NLR

TC5478819.2s Page 2




0 NR 0 0 0 0 1.000FUDS 0 NR 0 0 0 0 1.000DOD 0 NR NR 0 0 0 0.500SCRD DRYCLEANERS 0 NR NR NR NR NR TPUS FIN ASSUR 0 NR NR NR NR NR TPEPA WATCH LIST 0 NR NR NR 0 0 0.2502020 COR ACTION 0 NR NR NR NR NR TPTSCA 0 NR NR NR NR NR TPTRIS 0 NR NR NR NR NR TPSSTS 0 NR 0 0 0 0 1.000ROD 0 NR NR NR NR NR TPRMP 0 NR NR NR NR NR TPRAATS 0 NR NR NR NR NR TPPRP 0 NR NR NR NR NR TPPADS 0 NR NR NR NR NR TPICIS 0 NR NR NR NR NR TPFTTS 0 NR NR NR NR NR TPMLTS 0 NR NR NR NR NR TPCOAL ASH DOE 0 NR NR 0 0 0 0.500COAL ASH EPA 0 NR NR NR NR NR TPPCB TRANSFORMER 0 NR NR NR NR NR TPRADINFO 0 NR NR NR NR NR TPHIST FTTS 0 NR NR NR NR NR TPDOT OPS 0 NR 0 0 0 0 1.000CONSENT 0 NR 0 0 0 0 1.000INDIAN RESERV 0 NR 0 0 0 0 1.000FUSRAP 0 NR NR 0 0 0 0.500UMTRA 0 NR NR NR NR NR TPLEAD SMELTERS 0 NR NR NR NR NR TPUS AIRS 0 NR NR NR 0 0 0.250US MINES 0 NR NR NR 0 0 0.250ABANDONED MINES 0 NR NR NR NR NR TPFINDS 0 NR 0 0 0 0 1.000UXO 0 NR NR NR NR NR TPDOCKET HWC 0 NR NR NR NR NR TPECHO 0 NR NR NR 0 0 0.250FUELS PROGRAM 0 NR NR NR NR NR TPAIRS 0 NR NR NR NR NR TPASBESTOS 0 NR NR NR NR NR TPMETHANE SITE 0 NR NR NR NR NR TPMethane Investigation 0 NR NR NR 0 0 0.250DRYCLEANERS 0 NR NR NR NR NR TPFinancial Assurance 0 NR NR NR NR NR TPLEAD 0 NR NR NR 0 0 0.250MINES 0 NR NR NR NR NR TPNPDES 0 NR NR NR NR NR TPUIC 0 NR NR 0 0 0 0.500UMTRA

EDR HIGH RISK HISTORICAL RECORDS

EDR Exclusive Records

0 NR 0 0 0 0 1.000EDR MGP

TC5478819.2s Page 3




0 NR NR NR NR 0 0.125EDR Hist Auto 0 NR NR NR NR 0 0.125EDR Hist Cleaner

EDR RECOVERED GOVERNMENT ARCHIVES

Exclusive Recovered Govt. Archives

0 NR NR NR NR NR TPRGA LF 0 NR NR NR NR NR TPRGA LUST

1 0 0 0 1 0 0- Totals --

NOTES:

TP = Target Property

NR = Not Requested at this Search Distance

Sites may be listed in more than one database

N/A = This State does not maintain a SHWS list. See the Federal CERCLIS list.

TC5478819.2s Page 4

TC5478819.2s.1 Page 7

NO MAPPED SITES FOUND

MAPPED SITES SUMMARY - FOCUS MAP 1




TC5478819.2s.2 Page 9

1 / 2 GOLDEN WEST WIND 31145 FUNK RD RCRA-CESQG, FINDS, ECHO 896 0.170 WNW





TC5478819.2s.3 Page 11






TC5478819.2s.4 Page 13






TC5478819.2s.5 Page 15






TC5478819.2s.6 Page 17






TC5478819.2s Page 18

1 RCRA-CESQGGOLDEN WEST WIND 1018155283WNW FINDS31145 FUNK RD COR0002398221/8-1/4 ECHOCALHAN, CO 80808

Actual:6784 ft.

Focus Map:2

0.170 mi.896 ft.

RCRA-CESQG: 09/01/2015Date form received by agency: GOLDEN WEST WINDFacility name: 31145 FUNK RDFacility address: CALHAN, CO 80808 COR000239822EPA ID: FUNK RDMailing address: CALHAN, CO 80808 TYLER GIFFORDContact: FUNK RDContact address: CALHAN, CO 80808 USContact country: 719-651-3603Contact telephone: [email protected] email: 08EPA Region: Conditionally Exempt Small Quantity GeneratorClassification: Handler: generates 100 kg or less of hazardous waste per calendarDescription: month, and accumulates 1000 kg or less of hazardous waste at any time; or generates 1 kg or less of acutely hazardous waste per calendar month, and accumulates at any time: 1 kg or less of acutely hazardous waste; or 100 kg or less of any residue or contaminated soil, waste or other debris resulting from the cleanup of a spill, into or on any land or water, of acutely hazardous waste; or generates 100 kg or less of any residue or contaminated soil, waste or other debris resulting from the cleanup of a spill, into or on any land or water, of acutely hazardous waste during any calendar month, and accumulates at any time: 1 kg or less of acutely hazardous waste; or 100 kg or less of any residue or contaminated soil, waste or other debris resulting from the cleanup of a spill, into or on any land or water, of acutely hazardous waste

Owner/Operator Summary: GOLDEN WEST WINDOwner/operator name: FUNK RDOwner/operator address: CALHAN, CO 80808 USOwner/operator country: 719-651-3603Owner/operator telephone: Not reportedOwner/operator email: Not reportedOwner/operator fax: Not reportedOwner/operator extension: PrivateLegal status: OperatorOwner/Operator Type: 09/01/2015Owner/Op start date: Not reportedOwner/Op end date:

GOLDEN WEST POWER PARTNERSOwner/operator name: FUNK RDOwner/operator address: CALHAN, CO 80808 USOwner/operator country: 719-651-3603Owner/operator telephone: Not reportedOwner/operator email: Not reportedOwner/operator fax: Not reportedOwner/operator extension:

MAP FINDINGSMap IDDirection

EDR ID NumberDistanceEPA ID NumberDatabase(s)SiteElevation

TC5478819.2s Page 19

GOLDEN WEST WIND (Continued) 1018155283

PrivateLegal status: OwnerOwner/Operator Type: 09/01/2015Owner/Op start date: Not reportedOwner/Op end date:

Handler Activities Summary: NoU.S. importer of hazardous waste: NoMixed waste (haz. and radioactive): NoRecycler of hazardous waste: NoTransporter of hazardous waste: NoTreater, storer or disposer of HW: NoUnderground injection activity: NoOn-site burner exemption: NoFurnace exemption: NoUsed oil fuel burner: NoUsed oil processor: NoUser oil refiner: NoUsed oil fuel marketer to burner: NoUsed oil Specification marketer: NoUsed oil transfer facility: YesUsed oil transporter:

D001. Waste code: IGNITABLE HAZARDOUS WASTES ARE THOSE WASTES WHICH HAVE A FLASHPOINT OF. Waste name: LESS THAN 140 DEGREES FAHRENHEIT AS DETERMINED BY A PENSKY-MARTENS CLOSED CUP FLASH POINT TESTER. ANOTHER METHOD OF DETERMINING THE FLASH POINT OF A WASTE IS TO REVIEW THE MATERIAL SAFETY DATA SHEET, WHICH CAN BE OBTAINED FROM THE MANUFACTURER OR DISTRIBUTOR OF THE MATERIAL. LACQUER THINNER IS AN EXAMPLE OF A COMMONLY USED SOLVENT WHICH WOULD BE CONSIDERED AS IGNITABLE HAZARDOUS WASTE.

No violations foundViolation Status:

FINDS:

110066945462Registry ID:

Environmental Interest/Information SystemRCRAInfo is a national information system that supports the ResourceConservation and Recovery Act (RCRA) program through the tracking ofevents and activities related to facilities that generate, transport,and treat, store, or dispose of hazardous waste. RCRAInfo allows RCRAprogram staff to track the notification, permit, compliance, andcorrective action activities required under RCRA.

Click this hyperlink while viewing on your computer to access additional FINDS: detail in the EDR Site Report.

ECHO: 1018155283Envid: 110066945462Registry ID: http://echo.epa.gov/detailed-facility-report?fid=110066945462DFR URL:

MAP FINDINGSMap IDDirection

EDR ID NumberDistanceEPA ID NumberDatabase(s)SiteElevation

http://www.edrnet.com/srf2/FinalSiteReport.aspx?ID=4BC4LLBEJCvR204LV.Lqg9nGEBcJMi3fJvgXR.Q3EH0Mu4DkAVZVSY.cs3Q6qWgg5OAZonCuGXJ3WeBxHcw35ljMmXi8I4RnBFICvT2PtLqCLr68DKEyQJU93ofvO8RA63BG0zV4Di2H9VRl.pAA5Hq9jg9F34hn4wGqRA6RBTZco64BZBCsCwT3svLCYLDw2h8Eg9Jed7tXveWRep6lc06v4yV9QTVDK.tFAxRq.IgdRAuNnMDGOH3.CBKacBeBu5Mc3iFU1LXftdJmw4OYgpqXntua7.OlQq04mlBcrCSd3lqLloL4H2SGEcOJk.3gnvwARyC2oI0Qj49A3GrVtl.FxALDqbRgV43Z6npbGTp7ywB2Zc.97KAMa3iDq4pkfE5JcNAqdgI.XNO5Lt.vjQ6b2

http://www.edrnet.com/srf2/FinalSiteReport.aspx?ID=4BC4LLBEJCvR204LV.Lqg9nGEBcJMi3fJvgXR.Q3EH0Mu4DkAVZVSY.cs3Q6qWgg5OAZonCuGXJ3WeBxHcw35ljMmXi8I4RnBFICvT2PtLqCLr68DKEyQJU93ofvO8RA63BG0zV4Di2H9VRl.pAA5Hq9jg9F34hn4wGqRA6RBTZco64BZBCsCwT3svLCYLDw2h8Eg9Jed7tXveWRep6lc06v4yV9QTVDK.tFAxRq.IgdRAuNnMDGOH3.CBKacBeBu5Mc3iFU1LXftdJmw4OYgpqXntua7.OlQq04mlBcrCSd3lqLloL4H2SGEcOJk.3gnvwARyC2oI0Qj49A3GrVtl.FxALDqbRgV43Z6npbGTp7ywB2Zc.97KAMa3iDq4pkfE5JcNAqdgI.XNO5Lt.vjQ6b2

TC5478819.2s Page OR-1

NO SITES FOUND

Count: 0 records ORPHAN SUMMARY

City EDR ID Site Name Site Address Zip Database(s)

To maintain currency of the following federal and state databases, EDR contacts the appropriate governmental agencyon a monthly or quarterly basis, as required.

Number of Days to Update: Provides confirmation that EDR is reporting records that have been updated within 90 daysfrom the date the government agency made the information available to the public.

NPL: National Priority ListNational Priorities List (Superfund). The NPL is a subset of CERCLIS and identifies over 1,200 sites for prioritycleanup under the Superfund Program. NPL sites may encompass relatively large areas. As such, EDR provides polygoncoverage for over 1,000 NPL site boundaries produced by EPA’s Environmental Photographic Interpretation Center(EPIC) and regional EPA offices.

Date of Government Version: 07/17/2018Date Data Arrived at EDR: 08/09/2018Date Made Active in Reports: 09/07/2018Number of Days to Update: 29

Source: EPATelephone: N/ALast EDR Contact: 10/04/2018Next Scheduled EDR Contact: 01/14/2019Data Release Frequency: Quarterly

NPL Site Boundaries

Sources:

EPA’s Environmental Photographic Interpretation Center (EPIC)Telephone: 202-564-7333

EPA Region 1 EPA Region 6Telephone 617-918-1143 Telephone: 214-655-6659




EPA Region 10Telephone 206-553-8665

Proposed NPL: Proposed National Priority List SitesA site that has been proposed for listing on the National Priorities List through the issuance of a proposed rulein the Federal Register. EPA then accepts public comments on the site, responds to the comments, and places onthe NPL those sites that continue to meet the requirements for listing.



NPL LIENS: Federal Superfund LiensFederal Superfund Liens. Under the authority granted the USEPA by CERCLA of 1980, the USEPA has the authorityto file liens against real property in order to recover remedial action expenditures or when the property ownerreceived notification of potential liability. USEPA compiles a listing of filed notices of Superfund Liens.


Source: EPATelephone: 202-564-4267Last EDR Contact: 08/15/2011Next Scheduled EDR Contact: 11/28/2011Data Release Frequency: No Update Planned

TC5478819.2s Page GR-1

GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING

Delisted NPL: National Priority List DeletionsThe National Oil and Hazardous Substances Pollution Contingency Plan (NCP) establishes the criteria that theEPA uses to delete sites from the NPL. In accordance with 40 CFR 300.425.(e), sites may be deleted from theNPL where no further response is appropriate.



FEDERAL FACILITY: Federal Facility Site Information listingA listing of National Priority List (NPL) and Base Realignment and Closure (BRAC) sites found in the ComprehensiveEnvironmental Response, Compensation and Liability Information System (CERCLIS) Database where EPA Federal FacilitiesRestoration and Reuse Office is involved in cleanup activities.


Source: Environmental Protection AgencyTelephone: 703-603-8704Last EDR Contact: 07/06/2018Next Scheduled EDR Contact: 10/15/2018Data Release Frequency: Varies

SEMS: Superfund Enterprise Management SystemSEMS (Superfund Enterprise Management System) tracks hazardous waste sites, potentially hazardous waste sites,and remedial activities performed in support of EPA’s Superfund Program across the United States. The list wasformerly know as CERCLIS, renamed to SEMS by the EPA in 2015. The list contains data on potentially hazardouswaste sites that have been reported to the USEPA by states, municipalities, private companies and private persons,pursuant to Section 103 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).This dataset also contains sites which are either proposed to or on the National Priorities List (NPL) and thesites which are in the screening and assessment phase for possible inclusion on the NPL.


Source: EPATelephone: 800-424-9346Last EDR Contact: 10/04/2018Next Scheduled EDR Contact: 01/28/2019Data Release Frequency: Quarterly

SEMS-ARCHIVE: Superfund Enterprise Management System ArchiveSEMS-ARCHIVE (Superfund Enterprise Management System Archive) tracks sites that have no further interest underthe Federal Superfund Program based on available information. The list was formerly known as the CERCLIS-NFRAP,renamed to SEMS ARCHIVE by the EPA in 2015. EPA may perform a minimal level of assessment work at a site whileit is archived if site conditions change and/or new information becomes available. Archived sites have been removedand archived from the inventory of SEMS sites. Archived status indicates that, to the best of EPA’s knowledge,assessment at a site has been completed and that EPA has determined no further steps will be taken to list thesite on the National Priorities List (NPL), unless information indicates this decision was not appropriate orother considerations require a recommendation for listing at a later time. The decision does not necessarily meanthat there is no hazard associated with a given site; it only means that. based upon available information, thelocation is not judged to be potential NPL site.



CORRACTS: Corrective Action ReportCORRACTS identifies hazardous waste handlers with RCRA corrective action activity.





RCRA-TSDF: RCRA - Treatment, Storage and DisposalRCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservationand Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The databaseincludes selective information on sites which generate, transport, store, treat and/or dispose of hazardous wasteas defined by the Resource Conservation and Recovery Act (RCRA). Transporters are individuals or entities thatmove hazardous waste from the generator offsite to a facility that can recycle, treat, store, or dispose of thewaste. TSDFs treat, store, or dispose of the waste.


Source: Environmental Protection AgencyTelephone: 303-312-6149Last EDR Contact: 09/19/2018Next Scheduled EDR Contact: 01/07/2019Data Release Frequency: Quarterly

RCRA-LQG: RCRA - Large Quantity GeneratorsRCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservationand Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The databaseincludes selective information on sites which generate, transport, store, treat and/or dispose of hazardous wasteas defined by the Resource Conservation and Recovery Act (RCRA). Large quantity generators (LQGs) generateover 1,000 kilograms (kg) of hazardous waste, or over 1 kg of acutely hazardous waste per month.



RCRA-SQG: RCRA - Small Quantity GeneratorsRCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservationand Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The databaseincludes selective information on sites which generate, transport, store, treat and/or dispose of hazardous wasteas defined by the Resource Conservation and Recovery Act (RCRA). Small quantity generators (SQGs) generatebetween 100 kg and 1,000 kg of hazardous waste per month.



RCRA-CESQG: RCRA - Conditionally Exempt Small Quantity GeneratorsRCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservationand Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The databaseincludes selective information on sites which generate, transport, store, treat and/or dispose of hazardous wasteas defined by the Resource Conservation and Recovery Act (RCRA). Conditionally exempt small quantity generators(CESQGs) generate less than 100 kg of hazardous waste, or less than 1 kg of acutely hazardous waste per month.



LUCIS: Land Use Control Information SystemLUCIS contains records of land use control information pertaining to the former Navy Base Realignment and Closureproperties.


Source: Department of the NavyTelephone: 843-820-7326Last EDR Contact: 07/16/2018Next Scheduled EDR Contact: 11/26/2018Data Release Frequency: Varies



US ENG CONTROLS: Engineering Controls Sites ListA listing of sites with engineering controls in place. Engineering controls include various forms of caps, buildingfoundations, liners, and treatment methods to create pathway elimination for regulated substances to enter environmentalmedia or effect human health.



US INST CONTROL: Sites with Institutional ControlsA listing of sites with institutional controls in place. Institutional controls include administrative measures,such as groundwater use restrictions, construction restrictions, property use restrictions, and post remediationcare requirements intended to prevent exposure to contaminants remaining on site. Deed restrictions are generallyrequired as part of the institutional controls.



ERNS: Emergency Response Notification SystemEmergency Response Notification System. ERNS records and stores information on reported releases of oil and hazardoussubstances.


Source: National Response Center, United States Coast GuardTelephone: 202-267-2180Last EDR Contact: 09/25/2018Next Scheduled EDR Contact: 01/07/2019Data Release Frequency: Quarterly


State- and tribal - equivalent CERCLIS

CO SHWS: This state does not maintain a SHWS list. See the Federal CERCLIS list and Federal NPL list.State Hazardous Waste Sites. State hazardous waste site records are the states’ equivalent to CERCLIS. These sitesmay or may not already be listed on the federal CERCLIS list. Priority sites planned for cleanup using state funds(state equivalent of Superfund) are identified along with sites where cleanup will be paid for by potentiallyresponsible parties. Available information varies by state.

Date of Government Version: N/ADate Data Arrived at EDR: N/ADate Made Active in Reports: N/ANumber of Days to Update: N/A

Source: Department of Public Health & EnvironmentTelephone: 303-692-3300Last EDR Contact: 11/07/2018Next Scheduled EDR Contact: 02/25/2019Data Release Frequency: N/A

State and tribal landfill and/or solid waste disposal site lists

CO SWF/LF: Solid Waste Sites & FacilitiesSolid Waste Facilities/Landfill Sites. SWF/LF type records typically contain an inventory of solid waste disposalfacilities or landfills in a particular state. Depending on the state, these may be active or inactive facilitiesor open dumps that failed to meet RCRA Subtitle D Section 4004 criteria for solid waste landfills or disposalsites.


Source: Department of Public Health & EnvironmentTelephone: 303-692-3300Last EDR Contact: 08/10/2018Next Scheduled EDR Contact: 11/19/2018Data Release Frequency: Annually



State and tribal leaking storage tank lists

CO LAST: Leaking Aboveground Storage Tank ListingA listing of leaking aboveground storage tank sites. This list is no longer maintained. For current Leaking ASTinformation, please see LTANKS.


Source: Department of Labor & EmploymentTelephone: 303-318-8525Last EDR Contact: 05/31/2018Next Scheduled EDR Contact: 09/10/2018Data Release Frequency: No Update Planned

CO LUST: Leaking Underground Storage Tank ListLeaking Underground Storage Tank Incident Reports. LUST records contain an inventory of reported leaking undergroundstorage tank incidents. Not all states maintain these records, and the information stored varies by state.


Source: Department of Labor and Employment, Oil Inspection SectionTelephone: 303-318-8521Last EDR Contact: 03/07/2018Next Scheduled EDR Contact: 06/18/2018Data Release Frequency: Quarterly

INDIAN LUST R5: Leaking Underground Storage Tanks on Indian LandA listing of leaking underground storage tank locations on Indian Land.


Source: EPA Region 1Telephone: 617-918-1313Last EDR Contact: 10/26/2018Next Scheduled EDR Contact: 02/04/2019Data Release Frequency: Varies
























CO TRUST: Lust Trust SitesReimbursement application package. The 1989 Colorado General Assembly established Colorado’s Petroleum StorageTank Fund. The Fund reimburses eligible applicants for allowable costs incurred in cleaning up petroleum contaminationfrom underground and aboveground petroleum storage tanks, as well as for third-party liability expenses. Remediationof contamination caused by railroad or aircraft fuel is not eligible for reimbursement. The Fund satisfies federalEnvironmental Protection Agency financial assurance requirements. Monies in the Fund come from various sources,predominantly the state environmental surcharge imposed on all petroleum products except railroad or aircraftfuel.


Source: Department of Labor and Employment, Oil Inspection SectionTelephone: 303-318-8521Last EDR Contact: 09/04/2019Next Scheduled EDR Contact: 01/07/2019Data Release Frequency: Varies

CO LTANKS: Petroleum Release Events ListingActive and Closed OPS Petroleum Release Events in Colorado. Includes the OPS Open Event locations, but also showslocations of closed events (releases that have been issued a No Further Action determination).


Source: Department of Labor & EmploymentTelephone: 303-318-8525Last EDR Contact: 09/05/2018Next Scheduled EDR Contact: 12/17/2018Data Release Frequency: Quarterly

FEMA UST: Underground Storage Tank ListingA listing of all FEMA owned underground storage tanks.




Source: FEMATelephone: 202-646-5797Last EDR Contact: 10/10/2018Next Scheduled EDR Contact: 01/21/2019Data Release Frequency: Varies

State and tribal registered storage tank lists

CO UST: Underground Storage Tank DatabaseRegistered Underground Storage Tanks. UST’s are regulated under Subtitle I of the Resource Conservation and RecoveryAct (RCRA) and must be registered with the state department responsible for administering the UST program. Availableinformation varies by state program.


Source: Department of Labor and Employment, Oil Inspection SectionTelephone: 303-318-8521Last EDR Contact: 08/29/2018Next Scheduled EDR Contact: 12/17/2018Data Release Frequency: Quarterly

CO AST: Aboveground Tank ListAboveground storage tank locations.


Source: Department of Labor and Employment, Oil Inspection SectionTelephone: 303-318-8521Last EDR Contact: 08/29/2018Next Scheduled EDR Contact: 12/17/2018Data Release Frequency: Semi-Annually

INDIAN UST R8: Underground Storage Tanks on Indian Land


Source: N/ATelephone: N/ALast EDR Contact: 10/26/2018Next Scheduled EDR Contact: 02/04/2019Data Release Frequency: Varies
























State and tribal institutional control / engineering control registries

CO AUL: Environmental Real Covenants ListSenate Bill 01-145 gave authority to the Colorado Department of Public Health and Environment to approve requeststo restrict the future use of a property using an enforceable agreement called an environmental covenant. Whena contaminated site is not cleaned up completely, land use restrictions may be used to ensure that the selectedcleanup remedy is adequately protective of human health and the environment.


Source: Department of Public Health & EnvironmentTelephone: 303-692-3331Last EDR Contact: 10/25/2018Next Scheduled EDR Contact: 02/11/2019Data Release Frequency: Varies

State and tribal voluntary cleanup sites

CO VCP: Voluntary Cleanup & Redevelopment Act Application Tracking ReportThe Voluntary Cleanup and Redevelopment Act is intended to permit and encourage voluntary cleanups by providinga method to determine clean-up responsibilities in planning the reuse of property. The VCRA was intended for siteswhich were not covered by existing regulatory programs.


Source: Department of Public Health and EnvironmentalTelephone: 303-692-3331Last EDR Contact: 10/12/2018Next Scheduled EDR Contact: 01/21/2019Data Release Frequency: Semi-Annually



INDIAN VCP R7: Voluntary Cleanup Priority LisitngA listing of voluntary cleanup priority sites located on Indian Land located in Region 7.


Source: EPA, Region 7Telephone: 913-551-7365Last EDR Contact: 04/20/2009Next Scheduled EDR Contact: 07/20/2009Data Release Frequency: Varies

INDIAN VCP R1: Voluntary Cleanup Priority LisitngA listing of voluntary cleanup priority sites located on Indian Land located in Region 7.


Source: EPA, Region 7Telephone: 913-551-7365Last EDR Contact: 04/20/2009Next Scheduled EDR Contact: 07/20/2009Data Release Frequency: Varies

State and tribal Brownfields sites

CO BROWNFIELDS: Brownfields Sites ListingBrownfields Sites Listing



US BROWNFIELDS: A Listing of Brownfields SitesBrownfields are real property, the expansion, redevelopment, or reuse of which may be complicated by the presenceor potential presence of a hazardous substance, pollutant, or contaminant. Cleaning up and reinvesting in theseproperties takes development pressures off of undeveloped, open land, and both improves and protects the environment.Assessment, Cleanup and Redevelopment Exchange System (ACRES) stores information reported by EPA Brownfieldsgrant recipients on brownfields properties assessed or cleaned up with grant funding as well as information onTargeted Brownfields Assessments performed by EPA Regions. A listing of ACRES Brownfield sites is obtained fromCleanups in My Community. Cleanups in My Community provides information on Brownfields properties for which informationis reported back to EPA, as well as areas served by Brownfields grant programs.


Source: Environmental Protection AgencyTelephone: 202-566-2777Last EDR Contact: 09/18/2018Next Scheduled EDR Contact: 12/31/2018Data Release Frequency: Semi-Annually

ADDITIONAL ENVIRONMENTAL RECORDS

Local Lists of Landfill / Solid Waste Disposal Sites

CO SWRCY: Registered Recyclers ListingA listing of registered recycler locations in the state of Colorado.


Source: Department of Public Health & EnvironmentTelephone: 303-692-3337Last EDR Contact: 09/10/2018Next Scheduled EDR Contact: 12/24/2018Data Release Frequency: Semi-Annually

CO HISTORICAL LANDFILL: Historical Landfill ListAbandoned/Inactive Landfills.




Source: Department of Public Health & EnvironmentTelephone: 303-692-3300Last EDR Contact: 09/05/1996Next Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

INDIAN ODI: Report on the Status of Open Dumps on Indian LandsLocation of open dumps on Indian land.



DEBRIS REGION 9: Torres Martinez Reservation Illegal Dump Site LocationsA listing of illegal dump sites location on the Torres Martinez Indian Reservation located in eastern RiversideCounty and northern Imperial County, California.


Source: EPA, Region 9Telephone: 415-947-4219Last EDR Contact: 10/22/2018Next Scheduled EDR Contact: 02/04/2019Data Release Frequency: No Update Planned

ODI: Open Dump InventoryAn open dump is defined as a disposal facility that does not comply with one or more of the Part 257 or Part 258Subtitle D Criteria.


Source: Environmental Protection AgencyTelephone: 800-424-9346Last EDR Contact: 06/09/2004Next Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

IHS OPEN DUMPS: Open Dumps on Indian LandA listing of all open dumps located on Indian Land in the United States.


Source: Department of Health & Human Serivces, Indian Health ServiceTelephone: 301-443-1452Last EDR Contact: 11/02/2018Next Scheduled EDR Contact: 02/11/2019Data Release Frequency: Varies

US HIST CDL: National Clandestine Laboratory RegisterA listing of clandestine drug lab locations that have been removed from the DEAs National Clandestine LaboratoryRegister.


Source: Drug Enforcement AdministrationTelephone: 202-307-1000Last EDR Contact: 08/28/2018Next Scheduled EDR Contact: 12/10/2018Data Release Frequency: No Update Planned

Local Lists of Hazardous waste / Contaminated Sites

CO CDL: Meth Lab LocationsMeth lab locations that were reported to the Department of Public Health & Environment.

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Source: Department of Public Health and EnvironmentTelephone: 303-692-3023Last EDR Contact: 10/01/2018Next Scheduled EDR Contact: 01/14/2019Data Release Frequency: Quarterly

US CDL: Clandestine Drug LabsA listing of clandestine drug lab locations. The U.S. Department of Justice ("the Department") provides thisweb site as a public service. It contains addresses of some locations where law enforcement agencies reportedthey found chemicals or other items that indicated the presence of either clandestine drug laboratories or dumpsites.In most cases, the source of the entries is not the Department, and the Department has not verified the entryand does not guarantee its accuracy. Members of the public must verify the accuracy of all entries by, for example,contacting local law enforcement and local health departments.


Source: Drug Enforcement AdministrationTelephone: 202-307-1000Last EDR Contact: 08/28/2018Next Scheduled EDR Contact: 12/10/2018Data Release Frequency: Quarterly

LIENS 2: CERCLA Lien InformationA Federal CERCLA (’Superfund’) lien can exist by operation of law at any site or property at which EPA has spentSuperfund monies. These monies are spent to investigate and address releases and threatened releases of contamination.CERCLIS provides information as to the identity of these sites and properties.


Source: Environmental Protection AgencyTelephone: 202-564-6023Last EDR Contact: 10/04/2018Next Scheduled EDR Contact: 02/04/2019Data Release Frequency: Semi-Annually

HMIRS: Hazardous Materials Information Reporting SystemHazardous Materials Incident Report System. HMIRS contains hazardous material spill incidents reported to DOT.


Source: U.S. Department of TransportationTelephone: 202-366-4555Last EDR Contact: 09/25/2018Next Scheduled EDR Contact: 01/07/2019Data Release Frequency: Quarterly

Records of Emergency Release Reports

CO SPILLS 2: SpillsA listing of spills reported to the Oil & Gas Conservation Commission


Source: Oil & Gas Conservation CommissionTelephone: 303-894-2100Last EDR Contact: 09/26/2018Next Scheduled EDR Contact: 01/07/2019Data Release Frequency: Quarterly

CO ERNS: Spills DatabaseState reported spills.


Source: Department of Public Health and EnvironmentalTelephone: 303-692-2000Last EDR Contact: 10/01/2018Next Scheduled EDR Contact: 01/14/2019Data Release Frequency: Quarterly

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CO SPILLS 90: SPILLS90 data from FirstSearchSpills 90 includes those spill and release records available exclusively from FirstSearch databases. Typically,they may include chemical, oil and/or hazardous substance spills recorded after 1990. Duplicate records that arealready included in EDR incident and release records are not included in Spills 90.


Source: FirstSearchTelephone: N/ALast EDR Contact: 01/03/2013Next Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

RCRA NonGen / NLR: RCRA - Non Generators / No Longer RegulatedRCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservationand Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The databaseincludes selective information on sites which generate, transport, store, treat and/or dispose of hazardous wasteas defined by the Resource Conservation and Recovery Act (RCRA). Non-Generators do not presently generate hazardouswaste.



FUDS: Formerly Used Defense SitesThe listing includes locations of Formerly Used Defense Sites properties where the US Army Corps of Engineersis actively working or will take necessary cleanup actions.


Source: U.S. Army Corps of EngineersTelephone: 202-528-4285Last EDR Contact: 08/24/2018Next Scheduled EDR Contact: 12/03/2018Data Release Frequency: Varies

DOD: Department of Defense SitesThis data set consists of federally owned or administered lands, administered by the Department of Defense, thathave any area equal to or greater than 640 acres of the United States, Puerto Rico, and the U.S. Virgin Islands.


Source: USGSTelephone: 888-275-8747Last EDR Contact: 10/12/2018Next Scheduled EDR Contact: 01/21/2019Data Release Frequency: Semi-Annually

FEDLAND: Federal and Indian LandsFederally and Indian administrated lands of the United States. Lands included are administrated by: Army Corpsof Engineers, Bureau of Reclamation, National Wild and Scenic River, National Wildlife Refuge, Public Domain Land,Wilderness, Wilderness Study Area, Wildlife Management Area, Bureau of Indian Affairs, Bureau of Land Management,Department of Justice, Forest Service, Fish and Wildlife Service, National Park Service.


Source: U.S. Geological SurveyTelephone: 888-275-8747Last EDR Contact: 10/12/2018Next Scheduled EDR Contact: 01/21/2019Data Release Frequency: N/A

SCRD DRYCLEANERS: State Coalition for Remediation of Drycleaners ListingThe State Coalition for Remediation of Drycleaners was established in 1998, with support from the U.S. EPA Officeof Superfund Remediation and Technology Innovation. It is comprised of representatives of states with establisheddrycleaner remediation programs. Currently the member states are Alabama, Connecticut, Florida, Illinois, Kansas,Minnesota, Missouri, North Carolina, Oregon, South Carolina, Tennessee, Texas, and Wisconsin.

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US FIN ASSUR: Financial Assurance InformationAll owners and operators of facilities that treat, store, or dispose of hazardous waste are required to provideproof that they will have sufficient funds to pay for the clean up, closure, and post-closure care of their facilities.



EPA WATCH LIST: EPA WATCH LISTEPA maintains a "Watch List" to facilitate dialogue between EPA, state and local environmental agencies on enforcementmatters relating to facilities with alleged violations identified as either significant or high priority. Beingon the Watch List does not mean that the facility has actually violated the law only that an investigation byEPA or a state or local environmental agency has led those organizations to allege that an unproven violationhas in fact occurred. Being on the Watch List does not represent a higher level of concern regarding the allegedviolations that were detected, but instead indicates cases requiring additional dialogue between EPA, state andlocal agencies - primarily because of the length of time the alleged violation has gone unaddressed or unresolved.



2020 COR ACTION: 2020 Corrective Action Program ListThe EPA has set ambitious goals for the RCRA Corrective Action program by creating the 2020 Corrective ActionUniverse. This RCRA cleanup baseline includes facilities expected to need corrective action. The 2020 universecontains a wide variety of sites. Some properties are heavily contaminated while others were contaminated buthave since been cleaned up. Still others have not been fully investigated yet, and may require little or no remediation.Inclusion in the 2020 Universe does not necessarily imply failure on the part of a facility to meet its RCRA obligations.



TSCA: Toxic Substances Control ActToxic Substances Control Act. TSCA identifies manufacturers and importers of chemical substances included on theTSCA Chemical Substance Inventory list. It includes data on the production volume of these substances by plantsite.


Source: EPATelephone: 202-260-5521Last EDR Contact: 09/21/2018Next Scheduled EDR Contact: 12/31/2018Data Release Frequency: Every 4 Years

TRIS: Toxic Chemical Release Inventory SystemToxic Release Inventory System. TRIS identifies facilities which release toxic chemicals to the air, water andland in reportable quantities under SARA Title III Section 313.

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Source: EPATelephone: 202-566-0250Last EDR Contact: 08/24/2018Next Scheduled EDR Contact: 12/03/2018Data Release Frequency: Annually

SSTS: Section 7 Tracking SystemsSection 7 of the Federal Insecticide, Fungicide and Rodenticide Act, as amended (92 Stat. 829) requires allregistered pesticide-producing establishments to submit a report to the Environmental Protection Agency by March1st each year. Each establishment must report the types and amounts of pesticides, active ingredients and devicesbeing produced, and those having been produced and sold or distributed in the past year.



ROD: Records Of DecisionRecord of Decision. ROD documents mandate a permanent remedy at an NPL (Superfund) site containing technicaland health information to aid in the cleanup.



RMP: Risk Management PlansWhen Congress passed the Clean Air Act Amendments of 1990, it required EPA to publish regulations and guidancefor chemical accident prevention at facilities using extremely hazardous substances. The Risk Management ProgramRule (RMP Rule) was written to implement Section 112(r) of these amendments. The rule, which built upon existingindustry codes and standards, requires companies of all sizes that use certain flammable and toxic substancesto develop a Risk Management Program, which includes a(n): Hazard assessment that details the potential effectsof an accidental release, an accident history of the last five years, and an evaluation of worst-case and alternativeaccidental releases; Prevention program that includes safety precautions and maintenance, monitoring, and employeetraining measures; and Emergency response program that spells out emergency health care, employee training measuresand procedures for informing the public and response agencies (e.g the fire department) should an accident occur.



RAATS: RCRA Administrative Action Tracking SystemRCRA Administration Action Tracking System. RAATS contains records based on enforcement actions issued under RCRApertaining to major violators and includes administrative and civil actions brought by the EPA. For administrationactions after September 30, 1995, data entry in the RAATS database was discontinued. EPA will retain a copy ofthe database for historical records. It was necessary to terminate RAATS because a decrease in agency resourcesmade it impossible to continue to update the information contained in the database.


Source: EPATelephone: 202-564-4104Last EDR Contact: 06/02/2008Next Scheduled EDR Contact: 09/01/2008Data Release Frequency: No Update Planned

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PRP: Potentially Responsible PartiesA listing of verified Potentially Responsible Parties



PADS: PCB Activity Database SystemPCB Activity Database. PADS Identifies generators, transporters, commercial storers and/or brokers and disposersof PCB’s who are required to notify the EPA of such activities.



ICIS: Integrated Compliance Information SystemThe Integrated Compliance Information System (ICIS) supports the information needs of the national enforcementand compliance program as well as the unique needs of the National Pollutant Discharge Elimination System (NPDES)program.



FTTS: FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fungicide, & Rodenticide Act)/TSCA (Toxic Substances Control Act)FTTS tracks administrative cases and pesticide enforcement actions and compliance activities related to FIFRA,TSCA and EPCRA (Emergency Planning and Community Right-to-Know Act). To maintain currency, EDR contacts theAgency on a quarterly basis.


Source: EPA/Office of Prevention, Pesticides and Toxic SubstancesTelephone: 202-566-1667Last EDR Contact: 08/18/2017Next Scheduled EDR Contact: 12/04/2017Data Release Frequency: Quarterly

FTTS INSP: FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fungicide, & Rodenticide Act)/TSCA (Toxic Substances Control Act)FTTS tracks administrative cases and pesticide enforcement actions and compliance activities related to FIFRA,TSCA and EPCRA (Emergency Planning and Community Right-to-Know Act). To maintain currency, EDR contacts theAgency on a quarterly basis.


Source: EPA/Office of Prevention, Pesticides and Toxic SubstancesTelephone: 202-566-1667Last EDR Contact: 08/18/2017Next Scheduled EDR Contact: 12/04/2017Data Release Frequency: Quarterly

MLTS: Material Licensing Tracking SystemMLTS is maintained by the Nuclear Regulatory Commission and contains a list of approximately 8,100 sites whichpossess or use radioactive materials and which are subject to NRC licensing requirements. To maintain currency,EDR contacts the Agency on a quarterly basis.


Source: Nuclear Regulatory CommissionTelephone: 301-415-7169Last EDR Contact: 10/11/2018Next Scheduled EDR Contact: 02/04/2019Data Release Frequency: Quarterly

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COAL ASH DOE: Steam-Electric Plant Operation DataA listing of power plants that store ash in surface ponds.


Source: Department of EnergyTelephone: 202-586-8719Last EDR Contact: 09/07/2018Next Scheduled EDR Contact: 12/17/2018Data Release Frequency: Varies

COAL ASH EPA: Coal Combustion Residues Surface Impoundments ListA listing of coal combustion residues surface impoundments with high hazard potential ratings.


Source: Environmental Protection AgencyTelephone: N/ALast EDR Contact: 09/04/2018Next Scheduled EDR Contact: 12/17/2018Data Release Frequency: Varies

PCB TRANSFORMER: PCB Transformer Registration DatabaseThe database of PCB transformer registrations that includes all PCB registration submittals.



RADINFO: Radiation Information DatabaseThe Radiation Information Database (RADINFO) contains information about facilities that are regulated by U.S.Environmental Protection Agency (EPA) regulations for radiation and radioactivity.



HIST FTTS: FIFRA/TSCA Tracking System Inspection & Enforcement Case ListingA complete inspection and enforcement case listing from the FIFRA/TSCA Tracking System (FTTS) for all ten EPAregions. The information was obtained from the National Compliance Database (NCDB). NCDB supports the implementationof FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act) and TSCA (Toxic Substances Control Act). SomeEPA regions are now closing out records. Because of that, and the fact that some EPA regions are not providingEPA Headquarters with updated records, it was decided to create a HIST FTTS database. It included records thatmay not be included in the newer FTTS database updates. This database is no longer updated.


Source: Environmental Protection AgencyTelephone: 202-564-2501Last EDR Contact: 12/17/2008Next Scheduled EDR Contact: 03/17/2008Data Release Frequency: No Update Planned

HIST FTTS INSP: FIFRA/TSCA Tracking System Inspection & Enforcement Case ListingA complete inspection and enforcement case listing from the FIFRA/TSCA Tracking System (FTTS) for all ten EPAregions. The information was obtained from the National Compliance Database (NCDB). NCDB supports the implementationof FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act) and TSCA (Toxic Substances Control Act). SomeEPA regions are now closing out records. Because of that, and the fact that some EPA regions are not providingEPA Headquarters with updated records, it was decided to create a HIST FTTS database. It included records thatmay not be included in the newer FTTS database updates. This database is no longer updated.

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Source: Environmental Protection AgencyTelephone: 202-564-2501Last EDR Contact: 12/17/2008Next Scheduled EDR Contact: 03/17/2008Data Release Frequency: No Update Planned

DOT OPS: Incident and Accident DataDepartment of Transporation, Office of Pipeline Safety Incident and Accident data.


Source: Department of Transporation, Office of Pipeline SafetyTelephone: 202-366-4595Last EDR Contact: 10/30/2018Next Scheduled EDR Contact: 02/11/2019Data Release Frequency: Varies

CONSENT: Superfund (CERCLA) Consent DecreesMajor legal settlements that establish responsibility and standards for cleanup at NPL (Superfund) sites. Releasedperiodically by United States District Courts after settlement by parties to litigation matters.


Source: Department of Justice, Consent Decree LibraryTelephone: VariesLast EDR Contact: 10/01/2018Next Scheduled EDR Contact: 12/31/2018Data Release Frequency: Varies

BRS: Biennial Reporting SystemThe Biennial Reporting System is a national system administered by the EPA that collects data on the generationand management of hazardous waste. BRS captures detailed data from two groups: Large Quantity Generators (LQG)and Treatment, Storage, and Disposal Facilities.


Source: EPA/NTISTelephone: 800-424-9346Last EDR Contact: 08/24/2018Next Scheduled EDR Contact: 12/03/2018Data Release Frequency: Biennially

INDIAN RESERV: Indian ReservationsThis map layer portrays Indian administered lands of the United States that have any area equal to or greaterthan 640 acres.


Source: USGSTelephone: 202-208-3710Last EDR Contact: 10/09/2018Next Scheduled EDR Contact: 01/21/2019Data Release Frequency: Semi-Annually

FUSRAP: Formerly Utilized Sites Remedial Action ProgramDOE established the Formerly Utilized Sites Remedial Action Program (FUSRAP) in 1974 to remediate sites whereradioactive contamination remained from Manhattan Project and early U.S. Atomic Energy Commission (AEC) operations.



UMTRA: Uranium Mill Tailings SitesUranium ore was mined by private companies for federal government use in national defense programs. When the millsshut down, large piles of the sand-like material (mill tailings) remain after uranium has been extracted fromthe ore. Levels of human exposure to radioactive materials from the piles are low; however, in some cases tailingswere used as construction materials before the potential health hazards of the tailings were recognized.

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LEAD SMELTER 1: Lead Smelter SitesA listing of former lead smelter site locations.



LEAD SMELTER 2: Lead Smelter SitesA listing of former lead smelter site locations.



US AIRS (AFS): Aerometric Information Retrieval System Facility Subsystem


Source: N/ATelephone: N/ALast EDR Contact: 11/12/1996Next Scheduled EDR Contact: N/AData Release Frequency: Annually

US AIRS MINOR: Aerometric Information Retrieval System Facility Subsystem


Source: N/ATelephone: N/ALast EDR Contact: 11/12/1996Next Scheduled EDR Contact: N/AData Release Frequency: Annually

US MINES: Active Mines & Mineral Plants Database ListingActive Mines and Mineral Processing Plant operations for commodities monitored by the Minerals Information Teamof the USGS.


Source: USGSTelephone: 703-648-7709Last EDR Contact: 08/31/2018Next Scheduled EDR Contact: 12/10/2018Data Release Frequency: Varies

US MINES 2: Active Mines & Mineral Plants Database ListingActive Mines and Mineral Processing Plant operations for commodities monitored by the Minerals Information Teamof the USGS.



TC5478819.2s Page GR-18


US MINES 3: Active Mines & Mineral Plants Database ListingActive Mines and Mineral Processing Plant operations for commodities monitored by the Minerals Information Teamof the USGS.



ABANDONED MINES: Abandoned MinesAn inventory of land and water impacted by past mining (primarily coal mining) is maintained by OSMRE to provideinformation needed to implement the Surface Mining Control and Reclamation Act of 1977 (SMCRA). The inventorycontains information on the location, type, and extent of AML impacts, as well as, information on the cost associatedwith the reclamation of those problems. The inventory is based upon field surveys by State, Tribal, and OSMREprogram officials. It is dynamic to the extent that it is modified as new problems are identified and existingproblems are reclaimed.


Source: Department of InteriorTelephone: 202-208-2609Last EDR Contact: 09/10/2018Next Scheduled EDR Contact: 12/24/2018Data Release Frequency: Quarterly

FINDS: Facility Index System/Facility Registry SystemFacility Index System. FINDS contains both facility information and ’pointers’ to other sources that contain moredetail. EDR includes the following FINDS databases in this report: PCS (Permit Compliance System), AIRS (AerometricInformation Retrieval System), DOCKET (Enforcement Docket used to manage and track information on civil judicialenforcement cases for all environmental statutes), FURS (Federal Underground Injection Control), C-DOCKET (CriminalDocket System used to track criminal enforcement actions for all environmental statutes), FFIS (Federal FacilitiesInformation System), STATE (State Environmental Laws and Statutes), and PADS (PCB Activity Data System).


Source: EPATelephone: (303) 312-6312Last EDR Contact: 09/18/2018Next Scheduled EDR Contact: 12/17/2018Data Release Frequency: Quarterly

ECHO: Enforcement & Compliance History InformationECHO provides integrated compliance and enforcement information for about 800,000 regulated facilities nationwide.



DOCKET HWC: Hazardous Waste Compliance Docket ListingA complete list of the Federal Agency Hazardous Waste Compliance Docket Facilities.



UXO: Unexploded Ordnance SitesA listing of unexploded ordnance site locations

TC5478819.2s Page GR-19



Source: Department of DefenseTelephone: 703-704-1564Last EDR Contact: 10/15/2018Next Scheduled EDR Contact: 01/28/2019Data Release Frequency: Varies

FUELS PROGRAM: EPA Fuels Program Registered ListingThis listing includes facilities that are registered under the Part 80 (Code of Federal Regulations) EPA FuelsPrograms. All companies now are required to submit new and updated registrations.



Other Ascertainable Records

CO AIRS: Permitted Facility & Emissions ListingA listing of Air Pollution Control Division permits and emissions data.



CO ASBESTOS: Asbestos Abatement & Demolition ProjectsAsbestos abatement and demolition projects by the contractor.


Source: Department of Public Health & EnvironmentTelephone: 303-692-3100Last EDR Contact: 11/01/2018Next Scheduled EDR Contact: 02/18/2019Data Release Frequency: Semi-Annually

CO METHANE SITE: Methane Site Investigations - Jefferson County 1980The objectives of the study are to define as closely as possible the boundaries of methane producing solid wastelandfills.


Source: Jefferson County Health DepartmentTelephone: 303-239-7175Last EDR Contact: 01/27/1995Next Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

CO METHANE INVESTIGATION: Methane Gas & Swamp FindingsThe primary objective of this study was to assess methane gas related hazards at selected landfill sites in Colorado.These sites were selected by the Colorado Department of Health following evaluation of responses received fromCounty and Municipal agencies about completed and existing landfills within their jurisdiction.


Source: Department of HealthTelephone: 303-640-3335Last EDR Contact: 01/27/1995Next Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

CO DRYCLEANERS: Drycleaner FacilitiesA listing of drycleaning facilities.

TC5478819.2s Page GR-20




CO Financial Assurance 1: Financial Assurance Information ListingA listing of financial assurance information for hazardous waste facilities. Financial assurance is intended toensure that resources are available to pay for the cost of closure, post-closure care, and corrective measuresif the owner or operator of a regulated facility is unable or unwilling to pay.



CO Financial Assurance 2: Financial Assurance Information ListingA listing of financial assurance information for solid waste facilities. Financial assurance is intended to ensurethat resources are available to pay for the cost of closure, post-closure care, and corrective measures if theowner or operator of a regulated facility is unable or unwilling to pay.


Source: Department of Public Health & EnvironmentTelephone: 303-392-3350Last EDR Contact: 10/15/2018Next Scheduled EDR Contact: 01/14/2019Data Release Frequency: Quarterly

CO LEAD: Lead Abatement Permit ListingLead inspection


Source: Department of Publich Health & EnvironmentTelephone: 303-692-2000Last EDR Contact: 11/01/2018Next Scheduled EDR Contact: 02/18/2019Data Release Frequency: Varies

CO MINES: Permitted Mines ListingThis dataset represents permitted mines in the State of Colorado


Source: Division of Reclamation Mining and safetyTelephone: 303-866-3567Last EDR Contact: 10/16/2018Next Scheduled EDR Contact: 01/28/2019Data Release Frequency: Semi-Annually

CO NPDES: Permitted Facility ListingA listing of permitted facilities from the Water Quality Control Division.



CO UIC: Underground Injection ControlA list of underground injection wells and their locations.


Source: Oil & Gas Conservation CommissionTelephone: 303-894-2100Last EDR Contact: 11/07/2018Next Scheduled EDR Contact: 02/25/2019Data Release Frequency: Varies

TC5478819.2s Page GR-21


CO UMTRA: Uranium Mill Tailings SitesThere were nine uranium mill tailings sites in Colorado designated for cleanup under the federal Uranium MillTailings Radiation Control Act. These nine sites, know commonly as UMTRA sites, were remediated jointly by theState of Colorado and the U.S. Department of Energy during the late 1980’s and early 1990’s. Mill tailings wereremoved from 8 of the mill sites and relocated in engineered disposal cells. A disposal cell is designed to encapsulatethe material, reduce radon emanation, and prevent the movement of water through the material. At one site, Maybell,CO, the tailings were stabilized in-place at the mill site. After remediation of the tailings was completed, theState and DOE began to investigate the residual impacts to groundwater at the mill sites. The groundwater phaseof the UMTRA program is on-going.



EDR MGP: EDR Proprietary Manufactured Gas PlantsThe EDR Proprietary Manufactured Gas Plant Database includes records of coal gas plants (manufactured gas plants)compiled by EDR’s researchers. Manufactured gas sites were used in the United States from the 1800’s to 1950’sto produce a gas that could be distributed and used as fuel. These plants used whale oil, rosin, coal, or a mixtureof coal, oil, and water that also produced a significant amount of waste. Many of the byproducts of the gas production,such as coal tar (oily waste containing volatile and non-volatile chemicals), sludges, oils and other compoundsare potentially hazardous to human health and the environment. The byproduct from this process was frequentlydisposed of directly at the plant site and can remain or spread slowly, serving as a continuous source of soiland groundwater contamination.


Source: EDR, Inc.Telephone: N/ALast EDR Contact: N/ANext Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

EDR Hist Auto: EDR Exclusive Historical Auto StationsEDR has searched selected national collections of business directories and has collected listings of potentialgas station/filling station/service station sites that were available to EDR researchers. EDR’s review was limitedto those categories of sources that might, in EDR’s opinion, include gas station/filling station/service stationestablishments. The categories reviewed included, but were not limited to gas, gas station, gasoline station,filling station, auto, automobile repair, auto service station, service station, etc. This database falls withina category of information EDR classifies as "High Risk Historical Records", or HRHR. EDR’s HRHR effort presentsunique and sometimes proprietary data about past sites and operations that typically create environmental concerns,but may not show up in current government records searches.


Source: EDR, Inc.Telephone: N/ALast EDR Contact: N/ANext Scheduled EDR Contact: N/AData Release Frequency: Varies

EDR Hist Cleaner: EDR Exclusive Historical CleanersEDR has searched selected national collections of business directories and has collected listings of potentialdry cleaner sites that were available to EDR researchers. EDR’s review was limited to those categories of sourcesthat might, in EDR’s opinion, include dry cleaning establishments. The categories reviewed included, but werenot limited to dry cleaners, cleaners, laundry, laundromat, cleaning/laundry, wash & dry etc. This database fallswithin a category of information EDR classifies as "High Risk Historical Records", or HRHR. EDR’s HRHR effortpresents unique and sometimes proprietary data about past sites and operations that typically create environmentalconcerns, but may not show up in current government records searches.


Source: EDR, Inc.Telephone: N/ALast EDR Contact: N/ANext Scheduled EDR Contact: N/AData Release Frequency: Varies

TC5478819.2s Page GR-22


EDR RECOVERED GOVERNMENT ARCHIVES

Exclusive Recovered Govt. Archives

CO RGA LF: Recovered Government Archive Solid Waste Facilities ListThe EDR Recovered Government Archive Landfill database provides a list of landfills derived from historical databasesand includes many records that no longer appear in current government lists. Compiled from Records formerly availablefrom the Department of Public Health & Environment in Colorado.

Date of Government Version: N/ADate Data Arrived at EDR: 07/01/2013Date Made Active in Reports: 01/15/2014Number of Days to Update: 198

Source: Department of Public Health & EnvironmentTelephone: N/ALast EDR Contact: 06/01/2012Next Scheduled EDR Contact: N/AData Release Frequency: Varies

CO RGA LUST: Recovered Government Archive Leaking Underground Storage TankThe EDR Recovered Government Archive Leaking Underground Storage Tank database provides a list of LUST incidentsderived from historical databases and includes many records that no longer appear in current government lists.Compiled from Records formerly available from the Department of Labor and Employment, Oil Inspection Section inColorado.

Date of Government Version: N/ADate Data Arrived at EDR: 07/01/2013Date Made Active in Reports: 01/02/2014Number of Days to Update: 185

Source: Department of Labor and Employment, Oil Inspection SectionTelephone: N/ALast EDR Contact: 06/01/2012Next Scheduled EDR Contact: N/AData Release Frequency: Varies

COUNTY RECORDS

ADAMS COUNTY:

Summary Report on Methane Gas Hazards and Surveys Conducted on Domestic and Demolition Landfills in Adams CountyAs of May 8, 1978, all known landfills or dumping sites in the Adams County area have been surveyed.


Source: Tri-County Health DepartmentTelephone: 303-761-1340Last EDR Contact: 01/27/1995Next Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

ARAPAHOE COUNTY:

A Survey of Landfills in Arapahoe CountyA survey of Arapahoe County was conducted from August through November, 1977, of all open and closed landfillsand dumpsites in the county. Each of the sites found was classified as domestic or demolition.



BOULDER COUNTY:

Old Landfill SitesLandfill sites in Boulder county.


Source: Boulder County Health DepartmentTelephone: 303-441-1182Last EDR Contact: 01/30/1998Next Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

DENVER COUNTY:

TC5478819.2s Page GR-23


Landfills in Denver CountyLandfill sites in the city and county of Denver.


Source: City and County of DenverTelephone: 720-913-4839Last EDR Contact: 09/17/2018Next Scheduled EDR Contact: 12/31/2018Data Release Frequency: No Update Planned

Investigation of Methane Gas HazardsThe purpose of this study was to assess the actual and potential generation, migration, explosive and relatedproblem associated with specified old landfills, and to identify existing and potential problems, suggested strategiesto prevent, abate, and control such problems and recommend investigative and monitoring functions as may be deemednecessary. Eight sites determined to be priorities due to population density and potential hazards to populationand property were selected by the Colorado Department of Health.


Source: City and County of Denver Department of Environmental HealthTelephone: 720-865-5522Last EDR Contact: 01/15/2013Next Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

DOUGLAS COUNTY:

Douglas County Landfill KeyLandfill sites in Douglas county.



PUEBLO COUNTY:

Designated Disposal & Landfill SitesOnly inert materials. Asphalt, cement, dirt & rock unless otherwise specified. These sites are no longer active.


Source: Pueblo City-County Health DepartmentTelephone: 719-583-4300Last EDR Contact: 11/13/1995Next Scheduled EDR Contact: N/AData Release Frequency: No Update Planned

TRI COUNTY:

Tri-County Area Solid Waste Facilities List (Adams, Arapahoe and Douglas Counties)Closed Domestic Landfills in Adams County, Closed Domestic Landfills in Arapahoe County, Closed Demolition Landfillsin Arapahoe County, Closed Domestic Landfills in Douglas County.



WELD COUNTY:

TC5478819.2s Page GR-24


Solid Waste Facilities in Weld CountySolid Waste Facilities in Weld County.


Source: Weld County Department of Public HealthTelephone: 970-304-6415Last EDR Contact: 08/10/2018Next Scheduled EDR Contact: 11/19/2018Data Release Frequency: No Update Planned

OTHER DATABASE(S)

Depending on the geographic area covered by this report, the data provided in these specialty databases may or may not becomplete. For example, the existence of wetlands information data in a specific report does not mean that all wetlands in thearea covered by the report are included. Moreover, the absence of any reported wetlands information does not necessarilymean that wetlands do not exist in the area covered by the report.

Oil/Gas PipelinesSource: PennWell CorporationPetroleum Bundle (Crude Oil, Refined Products, Petrochemicals, Gas Liquids (LPG/NGL), and SpecialtyGases (Miscellaneous)) N = Natural Gas Bundle (Natural Gas, Gas Liquids (LPG/NGL), and Specialty Gases(Miscellaneous)). This map includes information copyrighted by PennWell Corporation. This informationis provided on a best effort basis and PennWell Corporation does not guarantee its accuracy nor warrantits fitness for any particular purpose. Such information has been reprinted with the permission of PennWell.

Electric Power Transmission Line DataSource: PennWell CorporationThis map includes information copyrighted by PennWell Corporation. This information is provided on a besteffort basis and PennWell Corporation does not guarantee its accuracy nor warrant its fitness for anyparticular purpose. Such information has been reprinted with the permission of PennWell.

Sensitive Receptors: There are individuals deemed sensitive receptors due to their fragile immune systems and special sensitivityto environmental discharges. These sensitive receptors typically include the elderly, the sick, and children. While the location of allsensitive receptors cannot be determined, EDR indicates those buildings and facilities - schools, daycares, hospitals, medical centers,and nursing homes - where individuals who are sensitive receptors are likely to be located.

AHA Hospitals:Source: American Hospital Association, Inc.Telephone: 312-280-5991The database includes a listing of hospitals based on the American Hospital Association’s annual survey of hospitals.

Medical Centers: Provider of Services ListingSource: Centers for Medicare & Medicaid ServicesTelephone: 410-786-3000A listing of hospitals with Medicare provider number, produced by Centers of Medicare & Medicaid Services,a federal agency within the U.S. Department of Health and Human Services.

Nursing HomesSource: National Institutes of HealthTelephone: 301-594-6248Information on Medicare and Medicaid certified nursing homes in the United States.

Public SchoolsSource: National Center for Education StatisticsTelephone: 202-502-7300The National Center for Education Statistics’ primary database on elementaryand secondary public education in the United States. It is a comprehensive, annual, national statisticaldatabase of all public elementary and secondary schools and school districts, which contains data that arecomparable across all states.

Private SchoolsSource: National Center for Education StatisticsTelephone: 202-502-7300The National Center for Education Statistics’ primary database on private school locations in the United States.

TC5478819.2s Page GR-25


Daycare Centers: Daycare ListingSource: Department of Human ServicesTelephone: 303-866-5958

Flood Zone Data: This data was obtained from the Federal Emergency Management Agency (FEMA). It depicts 100-year and500-year flood zones as defined by FEMA. It includes the National Flood Hazard Layer (NFHL) which incorporates FloodInsurance Rate Map (FIRM) data and Q3 data from FEMA in areas not covered by NFHL.

Source: FEMATelephone: 877-336-2627Date of Government Version: 2003, 2015

NWI: National Wetlands Inventory. This data, available in select counties across the country, was obtained by EDRin 2002, 2005 and 2010 from the U.S. Fish and Wildlife Service.

State Wetlands Data: Riparian Vegetation DataSource: Division of WildlifeTelephone: 970-416-3360

STREET AND ADDRESS INFORMATION

© 2015 TomTom North America, Inc. All rights reserved. This material is proprietary and the subject of copyright protectionand other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subjectto the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material.

TC5478819.2s Page GR-26




APPENDIX B

HISTORICAL TOPOGRAPHIC MAPS

COLORADO

Topographic Map, 1954Grazing Yak Solar LLC.,

Phase I ESAEl Paso County, CO

Project Location

Document Path: P:\6605_Grazing_Yak\GIS\Layouts\Topo\1954_topo.mxdNote: Aerial imagery may have geometric inaccuracies and viewers should note that the images have not been geocorrected.

0 2,5001,250Feet

COLORADO

Topographic Map, 1981Grazing Yak Solar LLC.,


Project Location

Document Path: P:\6605_Grazing_Yak\GIS\Layouts\Topo\1981_topo.mxdNote: Aerial imagery may have geometric inaccuracies and viewers should note that the images have not been geocorrected.

0 2,5001,250Feet



APPENDIX C

HISTORICAL AERIAL PHOTOGRAPHS

COLORADO

Aerial Imagery, 1999Grazing Yak Solar LLC.,


Project Location

Document Path: P:\6605_Grazing_Yak\GIS\Layouts\Aerial\1999_aerial.mxdNote: Aerial imagery may have geometric inaccuracies and viewers should note that the images have not been geocorrected.

0 2,5001,250Feet

COLORADO



Project Location


0 2,5001,250Feet

COLORADO



Project Location


0 2,5001,250Feet

COLORADO



Project Location


0 2,5001,250Feet



APPENDIX D

AAI OWNER/ USER QUESTIONNAIRES AND LANDOWNER QUESTIONNAIRES

Tetra Tech, Inc. 350 Indiana Street, Suite 500, Golden, CO 80401

Tel 303.217.5700 Fax 303.980.3539 www.tetratech.com

Phase I Environmental Site Assessment User’s Questionnaire

Grazing Yak Solar, LLC

El Paso County, Colorado

The purpose of this questionnaire is to assist us in compiling the information required by ASTM Standard E2247-16, Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process for Farmland or Rural Property—the standard for conducting Phase I Environmental Site Assessments. Please answer questions to the best of your ability. If an answer cannot be provided, write “Unknown.”

Question Response/Comments

1. Is the User aware of any environmental cleanup liens against the Property that are filed or recorded under federal, tribal, state or local law?

No

2. Is the User aware of any AULs, such as engineering controls, land use restrictions or institutional controls that are in place on the Property and/or have been filed or recorded in a registry under federal, state or local law?

No

3. Does the User have any specialized knowledge or experience related to the Property or nearby properties?

No

4. Is the User involved in the same line of business as the current or former occupants of the Property or on adjoining properties so that they would have knowledge of the chemicals and processes used by current or former occupants?

No

5. Is the User aware of any commonly known or reasonably ascertainable information about the Property that would help the environmental professional to identify conditions indicative of releases or threatened releases?

No

6. Is the User aware of specific chemicals that are or may have been present on the Property, spills or chemical releases on the property, or any cleanups that may have taken place on the Property?

No

Page 2 of 2


7. Is it the User’s opinion that the purchase price (or lease payments) being paid for Property reasonably reflects the fair market value of the Property?

Yes

8. Is the User aware of any obvious indicators that point to the presence or likely presence of contamination on the Property?

No

Please use space below to provide additional explanation of any your responses above:

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

Name of User (or Representative) Alsey Davidson

Company, Address, and Phone Number

700 Universe Boulevard Juno Beach, Florida 33408

Signature

Date

11/13/2018

Email Address

[email protected]

Tetra Tech, Inc. 350 Indiana Street, Suite 500, Golden, CO 80401

Tel 303.217.5700 Fax 303.980.3539 www.tetratech.com

Phase I Environmental Site Assessment Landowner Questionnaire

Grazing Yak Solar, LLC El Paso County, Colorado

The purpose of this questionnaire is to assist us in compiling the information required by ASTM Standard E2247-16, Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process for Farmland or Rural Property—the standard for conducting Phase I Environmental Site Assessments. Please answer questions to the best of your ability as a landowner involved in the project. If an answer cannot be provided, write “Unknown.”


1. How long have you owned or occupied the property? 3-4 years

2. What is the approximate age of the building(s) (if any)?

House built in 1920, and barn built 3 or 4 years ago.

3. What was the past use of the property and any adjacent properties? Grazing agriculture and the wind farm.

4. Have there been other tenants? If yes, what is the nature of the other tenants’ operations? Tennant ranchers

5. Is the property, or any adjoining property, ever been used for any of the following activities:

Industrial Use, gas station; motor repair; commercial printing; dry cleaners; photo-developing; junkyard or landfill; waste treatment, storage, disposal, processing, or recycling?

(if yes, please provide brief explanation)

No

Page 2 of 4


6. Are there or had there been any accumulations of damaged or discarded automotive batteries, pesticides, paints, drums, or chemicals?

(if yes, please describe and provide general locations)

No

7. Has fill dirt been brought onto the property from off-site sources?

(if yes, please provide origin of fill, when it was brought on the property.)

The terraces/berms on the property were built to help control and infiltrate water. This was done by the government with the previous owner and it is possible that fill dirt was used to construct them.

8. Are there or have there been any pits, ponds, lagoons, cisterns, cesspools, or septic systems located on the property in connection with waste treatment, waste disposal, or are likely to contain hazardous substances or petroleum products?

(if yes, please provide when and where pits, lagoons, or ponds were located on property)

A small embankment dam was built at the same time as the terraces which often has standing water. Not

contaminants.

9. Is there any stained soil or significantly stained paved areas on the property?

(if yes, please provide location and source of staining)

One small stained area was observed, but she didn’t know about it. She doesn’t use fertilizers, but it

could be from the previous owner.

10. Are there or have there been any aboveground or underground storage tanks located on the property?

No

11. Are there or have there been any vent pipes, fill pipes, or access ways protruding from the ground or adjacent to any structure located on the property?

No

12. Is the property served by either a private well or non-public water system?

(if “yes”, go to 17; if “no” go to 18)

Yes, she had the water tested when she bought the property and it is really clean.

Page 3 of 4


13. Have contaminants been identified in the well, or has the well been designated as contaminated? No

14. Are there any dry wells, irrigation wells, injection wells, abandoned wells, or monitoring wells located on the subject property? No

15. Do you know of any environmental site assessment of the property that indicated the presence of hazardous substances or petroleum products?

(If yes, please explain – Do you have documentation of this assessment?)

No

16. Does the property discharge wastewater, other than storm water, into a sanitary sewer system?

(if yes, please indicate what is discharged and where it is discharged)

No

17. Have any of the following been dumped, buried, or burned on the property?

Hazardous substances or petroleum products, unidentified waste materials, tires, automotive or industrial batteries or any other waste materials.

No

18. Is there a transformer, capacitor, or any hydraulic equipment on the property? No

Please use space below to provide additional explanation of any your responses above:

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Page 4 of 4

The questionnaire was completed by:

Name of User (or Representative) Henriatte Long

Company, Address, and Phone Number

SignatureFilled out over the phone by

Eric Mathers Date11/13/2018

Email Address



APPENDIX E

SITE RECONNAISSANCE PHOTOGRAPH LOG

Photographic Documentation NextEra Energy Resources

Grazing Yak Solar Energy Project El Paso County, Colorado

1 Tetra Tech, Inc.

Taken by Eric Mathers on November 9, 2018

Photo: 1 Description: View of a typical field marker, likely associated with the proposed solar project. Orientation: Overview

Photo: 2 Description: View along the northern boundary with an adjacent rural homestead. Orientation: Facing Northeast



2 Tetra Tech, Inc.


Photo: 4 Description: View of a wooden frame in the southeastern corner of the Subject Property. Orientation: Facing Southeast

Photo: 3 Description: General view of pastureland on the Subject Property. Orientation: Facing East



3 Tetra Tech, Inc.


Photo: 5 Description: View of a dry pond on the Subject Property. Orientation: Facing Northeast

Photo: 6 Description: View of the location of a former structure with minor amounts of scattered trash. Orientation: Facing North



4 Tetra Tech, Inc.


Photo: 7 Description: View of a power line located adjacent to the Subject Property. Orientation: Facing Southwest

Photo: 8 Description: View of alkaline stained soil near the northeast corner of the property, which is likely a result of water evaporation in a low-lying area. Orientation: Facing East



5 Tetra Tech, Inc.


Photo: 9 Description: View of overhead transmission lines with the adjacent substation beyond. Orientation: Facing North

Photo: 10 Description: View of overhead transmission lines. Orientation: Facing South.



APPENDIX F

CREDENTIALS OF ENVIRONMENTAL PROFESSIONALS

The contents of this page are proprietary to Tetra Tech. Page 1 of 9

Rachel Miller, RPG

Project Manager/Senior Environmental Planner

Experience Summary

Ms. Miller has 16 years of experience in the preparation, coordination, and management ofEnvironmental Assessments (EAs), Environmental Impact Statements (EISs), and Categorical Exclusion(CatEx) documents conducted under the National Environmental Policy Act (NEPA) documents forproposed roads, energy projects, federal facilities, and federally funded projects. During the last fiveyears, her duties have also included the siting, permitting, and obtaining various environmentalclearances for utilities and energy projects such as substations, transmission lines, and energy generation.

Other duties and assignments have focused on documentation, evaluation, and mitigation ofenvironmental resources, including hazardous and contaminated materials, water resources,soils/geology, wetlands, social and economic characteristics, land use, and recreational resources inrelation to potential project impacts. As necessary, mitigation actions and permitting activities werecoordinated, reviewed, and implemented.

As a project manager and resource specialist, she interacts and coordinates with numerous state, federal,and local agencies. Environmental evaluations include documentation of standards, applicableregulations and guidelines, and conformity with various plans and local programs.

Prior to employment with Tetra Tech, she performed similar NEPA and permitting consulting work for12 years, and was Superfund Unit Chief with the Kansas Department of Health and Environment(KDHE) for 8 years prior to that. Her work at KDHE involved individual management oversight ofinvestigation and remediation projects, staff oversight, coordination with other agencies, negotiation oflegal contracts with responsible parties, U.S. Environmental Protection Agency (EPA) grantmanagement, and management of the state Superfund program.

As a project and program manager, Ms. Miller has coordinated and led project teams; produced,updated, and prioritized project scopes of work, schedules, and contracts, including cost spreadsheets;and provides clients with consistent and effective communication including verbal and written progressreports. Her successful management style is performed through attention to detail, quality assurance/quality control methods, prioritization of tasks to meet deadlines, and efficiency in team assignments andoversight.

Education

MS, Water Resources Science, University of Kansas, 1987BS, Geology, University of Kansas, 1980

Registrations/Certifications

Registered Professional Geologist, WY, Number PG-3367, Updated 1/1/13

Corporation Project Experience

Deputy Project Manager/Senior Environmental Planner, August 2011–PresentXcel Energy, West Main Relocation Project, Larimer County, ColoradoTetra Tech is conducting route analyses, biological and cultural resource analyses, and 1041 and Areasand Activities of State Interest permit applications for Boulder and Larimer counties, for Xcel Energy.Public Service Company of Colorado, an Xcel Energy Company, proposes to install an upgrade to itsfacilities along existing or new easements from the Boulder-Larimer County line to a terminus north ofthe town of Wellington. These facilities range in size from 4-inch, 6-inch, and 16-inches and generallyserve as transmission facilities typically operating at high pressure. Tetra Tech is conducting routeanalyses, resource analyses, Areas and Activities of State Interest permit applications for Boulder andLarimer counties, Colorado, and public involvement activities to support the project. In addition to


Rachel Miller, RPG


permit services, Tetra Tech is also providing construction biological and environmental monitoringservices and assisting Public Service Company with agency and local government consultation.

Responsibilities include assisting the project manager in the identification of permitting requirements anddrafting the permit application. Ms. Miller conducted regulatory, environmental, and communityresearch for and prepared the Larimer County Location and Extent Permit Application and 1041 PermitApplication. Document lead for the city of Fort Collins Natural Areas Department (NAD) Easements orRights of Way Permit Application Document lead; conducted research (regulatory, environmental, andcommunity) for and prepared the Boulder County 1041 Permit Application and the draft South Larimer1041 Permit Application. Follow-up project support work will include responding to referral commentsand preparation of supporting permit applications.

Document Lead/Senior Environmental PlannerJordan Cove LNG Terminal and Pacific Connector Gas Pipeline, May 2013–PresentTetra Tech is preparing a Federal Energy Regulatory Commission (FERC) EIS for the construction andoperation of an LNG terminal and a new 231.82-mile, 36-inch diameter interstate natural gastransmission system and related facilities. The proposed system would extend from the proposed JordanCove, Oregon to interconnect with two interstate natural gas pipelines near Malin, Oregon. Ms. Millerprovides review of geology and groundwater resource reports and submitted supporting documents andwrites the related EIS sections for the proposed project.

Document Lead/Senior Environmental PlannerLavaca Bay LNG Project, March 2013–PresentTetra Tech is preparing FERC Resource Reports for the proposed development, construction, andoperation of liquefied natural gas (LNG) terminal facilities to be located on a parcel of land on the SouthPeninsula of Point Comfort within the Port of Port Lavaca-Point Comfort, Texas, along the Gulf ofMexico; and an approximately 29-mile-long, 42-inch-diameter pipeline header system (pipeline) totransport natural gas from existing pipeline systems to the LNG terminal facilities. Ms. Miller preparedthe soils and geology resources reports and continues to address FERC and agency comments regardingthe reports and supporting information.

Document Lead/Senior Environmental PlannerColumbia Gas Transmission, LLC East Side Expansion Project, August 2013–PresentTetra Tech is preparing a FERC EA for the construction and operation of two natural gas loopingpipelines and related facilities in Chester County, Pennsylvania, and Gloucester County, New Jersey, aswell as lesser areas in New York and Maryland. The project schedule includes initiation of constructionin November 2014 and to place the facilities in-service by September 2015. Ms. Miller is providingreview of Resource Report and supporting information submittals, and will write the geology andgroundwater EA sections.

Project Lead/Senior Environmental Planner, March 2013–August 2013Phase I Environmental Site Assessments – NextEra Minco III Wind Farm (Caddo, Canadian, and GradyCounties, Oklahoma) and Xcel Energy Rocky Flats Natural Gas Pipeline Replacement (Jefferson County,Colorado)Ms. Miller coordinated and completed the work for two Phase I ESAs including project coordination,background research, document preparation, property owner interviews, and site reconnaissanceactivities.


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Senior Environmental Planner, August 2011–August 2012Tri-State Generation and Transmission Association, Inc., Carey Substation, Weld County, ColoradoTetra Tech prepared the resource analyses, environmental assessment for the Rural Utility Service, andthe Areas and Activities of State Interest permit application for Weld County, Colorado to support a newelectrical substation proposed by Tri-State Generation and Transmission Association. Tetra Techconducted a biological resources assessment and conducted informal consultation for the project withthe US Fish and Wildlife Service and the Colorado Division of Parks and Wildlife.

Document Lead/Senior Environmental PlannerCherokee Pipeline, June 2011–August 2012Public Service Company of Colorado is proposing to construct approximately 34 miles of new 24-inchsteel natural gas transmission pipeline between the Cherokee Generating Station in Adams County,Colorado and terminating at the Fort Lupton Metering Facility in Weld County, Colorado. Constructionis expected to begin in 2013 and the pipeline is expected to be in operation by October 2014. Tetra Techis preparing the route selection study, land use and environmental permit applications, andenvironmental documentation required for approval of the project. Tetra Tech prepared the pipelineroute selection study and is developing four land use permit applications, three state permit applications,one federal permit application, and numerous additional local permit applications.

Ms. Miller conducted regulatory, environmental, and community research for and prepared the AdamsCounty 1041 Permit Application. Follow-up work included responding to referral comments andpreparing supporting permit applications.

Document Lead/Senior Environmental PlannerCherokee Station June 2011–August 2012Public Service Company of Colorado is converting the Cherokee Station coal-fired power plant tonatural gas in response to Colorado’s 2010 Clean Air-Clean Jobs legislation. Cherokee Station is locatednorth of downtown Denver, Colorado, adjacent to the South Platte River. Tetra Tech was selected toconduct the environmental resource analyses and Areas and Activities of State Interest(1041)/Conditional Use Permit applications required by Adams County, Colorado to support theCherokee Generating Station Repowering Project. Tetra Tech conducted economic, biological, cultural,and transportation impact analyses for the permit applications.

Ms. Miller conducted regulatory, environmental, and community research for and prepared the AdamsCounty 1041 Permit Application. Follow-up work included responding to referral comments andpreparation of supporting permit applications.”

Senior Environmental Planner/Resource Specialist, May 2011–PresentCogentrix Energy, LLC, Quail Brush Power Project, City of San Diego, CaliforniaCogentrix proposed construction of approximately a 100 megawatt natural gas-fired peaking facility nearthe eastern boundary of the city of San Diego, California. Project facilities include the peaking plant, atransmission line, switchyard, and natural gas pipeline.

Ms. Miller’s responsibilities include task lead and resource specialist for the following CEC AFCsections: socioeconomics and transportation.

Senior Environmental Planner, May 2011–PresentPSCo Cherokee Station–Adams County PermittingPublic Service Company of Colorado is converting the Cherokee Station coal-fired power plant tonatural gas in response to Colorado’s 2010 Clean Air-Clean Jobs legislation. Cherokee Station is locatednorth of downtown Denver, Colorado, adjacent to the South Platte River. Tetra Tech was selected to


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conduct the environmental resource analyses and Areas and Activities of State Interest (1041)/Conditional Use Permit applications required by Adams County, Colorado to support the CherokeeGenerating Station Repowering Project. Tetra Tech conducted economic, biological, cultural, andtransportation impact analyses for the permit applications

Senior Environmental Planner, December 2010–CompleteLucky CorridorLucky Corridor, LLC has proposed construction of approximately 130 miles of new 500-kilovolttransmission line in northern New Mexico to better link renewable energy and gas resources with energyexport markets. Tetra Tech is preparing Standard Form 299 Permit applications for the project forrights-of-way across federal lands.

Senior Environmental Planner/Resource Lead, April 2010–November 2011Edwards to Meadow MountainPublic Service Company of Colorado built a new natural gas transmission pipeline to meet rapidlygrowing needs in the Avon/Eagle-Vail region. The Edwards-Meadow Mountain Gas Pipeline Projectwas a system upgrade that replaced the existing 60-year-old, six- , eight-, and 12-inch natural gaspipelines located in Eagle County, Colorado, underneath the eastbound lane of U.S. Highway 6 with anew high-pressure pipeline. Tetra Tech completed the following permit applications for the Project:Eagle County Special Use Permit; Eagle County Permit to Construct in the Public Right-of-Way; Townof Avon 1041 Permit; Air Pollution Emission Notice and Construction Permit; CDOT Utility Permit;and consultation with the U.S. Fish and Wildlife Service, U.S. Army Corps of Engineers, State HistoricPreservation Office, and Colorado Division of Wildlife.

Ms. Miller’s involvement in the project has included acting as the resource lead for water resources, soils,geologic hazards, hazardous materials, and transportation, as well as assisting in the overall organizationand preparation of local and federal permit applications.

Deputy Project Manager/Senior Environmental Planner, January 2010–January 2012Saguache Solar EnergyThe Saguache Solar Energy Project is a proposed 200-megawatt solar thermal facility site in SaguacheCounty, Colorado, proposed by the applicant, to be a project company formed by SolarReserve. Theproject will be developed within approximately 6,200 acres of privately owned land being optioned bySolarReserve in Saguache County, in south-central Colorado. The project site is located in the San LuisValley, where the state’s best solar resources exist. The San Luis Valley is identified as one of two solarpower generation development areas in the state of Colorado. Tetra Tech is providing support servicesfor approval of the project through the Saguache County 1041 permitting process.

Responsibilities include assisting the project manager with the budget, invoices, add services, scheduling,project meetings, coordination with SolarReserve and Saguache County, review of documents (1041permit requirements and other deliverables), and with production of draft and final project deliverables.

Senior Environmental Planner/Resource Specialist, December 2009–PresentShell WindEnergy, Inc., Hermosa West Wind Energy Project, Albany County, WyomingThe Hermosa West Wind Energy Project, located in Albany County, Wyoming, is being developed byShell WindEnergy on an 11,125-acre site near the town of Tie Siding. The Project would consist of up to200 wind turbines with a combined generating capacity of up to 300 megawatts. Shell WindEnergy isrequesting to interconnect the Project with the existing Craig to Ault 345-kilovolt transmission lineowned and operated in part by Western Area Power Administration. Tetra Tech is preparing theenvironmental impact statement and conducting public involvement activities for the Project.


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Responsibilities include task lead and resource specialist for the following EIS sections: environmentaljustice, socioeconomics, and geology, minerals, and soils.

Senior Environmental Planner/Resource Specialist, December 2009–October 2010NextEra Energy Resources, LLC, Black Canyon Solar Energy Project, Alamosa County, ColoradoProject consists of a 30-megawatt photovoltaic solar energy-generating facility and associated 1.5-miletransmission line in Alamosa County, Colorado. Tetra Tech prepared a Critical Issues Analysis, Phase IEnvironmental Site Assessment, and Areas and Activities of State Interest Permit (1041 Permit)application. Tasks included development of the 1041 permit application, engineering support, visualsimulations, coordination with the Colorado Division of Wildlife and U.S. Fish and Wildlife Service,preparation for and attendance at a community meeting, preparation for and attendance at a Board ofCounty Commissioners hearing for the project, and coordination with Alamosa County.

Responsibilities include task lead and resource specialist for the following 1041 permit applicationsections: socioeconomics and geology, minerals, and soils.

Deputy Project Manager, November 2009–January 2011BP Wind Energy North America, Inc., Cedar Creek II Wind Farm Project, Weld County, ColoradoTetra Tech provided a variety of local (1041 permit) and state permitting and transportation services andalso performed biological and cultural surveys to BP Wind Energy Services for the Cedar Creek II WindFarm Project, a 300-megawatt wind energy generation facility in Weld County, Colorado. Tetra Tech alsoassisted BP with the development and evaluation of site alternatives of wind facilities, and consultationwith Weld County planning officials and state agencies regarding environmental concerns and post-construction environmental and cultural monitoring. Tetra Tech also sited and permitted a 14-mile 230-kilovolt transmission line and interconnection substation. Ancillary services included GIS mapping;analysis of impacts to environmental and social resources; analysis of impacts related to the temporarybatch plant; protocol level field surveys for wetlands and cultural and historic resource assessment; PhaseI Environmental Site Assessment for the Project area and transmission line; sampling of a water well;preparation of drainage reports, traffic studies, and meteorological tower applications; and preparationand attendance at Weld County hearings.

Responsibilities include assisting the project manager with the budget, invoices, add services, scheduling,project meetings, coordination with BP and Weld County, review of documents (1041 permitrequirements and pre-construction deliverables), and with production of draft and final projectdeliverables.

Document Lead/Senior Environmental Planner, 2012 - PresentXcel Larimer–Boulder Counties, COPublic Service Company of Colorado proposes to install an upgrade to its facilities along existing or neweasements from the Boulder–Larimer County line to a terminus north of the town of Wellington. Thesefacilities range in size from 4-inch or 6-inch to 16-inches and generally serve as transmission facilitiestypically operating at high pressure. Tetra Tech is conducting route analyses, resource analyses, Areas andActivities of State Interest permit applications for Boulder and Larimer counties, Colorado, and publicinvolvement activities to support the project.

Ms. Miller conducted regulatory, environmental, and community research for and prepared the LarimerCounty Location and Extent Permit Application and 1041 Permit Application. Document lead for thecity of Fort Collins Natural Areas Department (NAD) Easements or Rights of Way Permit ApplicationDocument lead; conducted research (regulatory, environmental, and community) for and prepared thedraft Boulder County 1041 Permit Application. Follow-up project support work includes responding toreferral comments and preparation of supporting permit applications.


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Senior Environmental Planner, August 2011 – August 2012Tri-State Generation and Transmission Association, Inc., Carey Substation, Weld County, COTetra Tech prepared the resource analyses, environmental assessment for the Rural Utility Service, andthe Areas and Activities of State Interest permit application for Weld County, Colorado to support a newelectrical substation proposed by Tri-State Generation and Transmission Association. Tetra Techconducted a biological resources assessment and conducted informal consultation for the project withthe US Fish and Wildlife Service and the Colorado Division of Parks and Wildlife.

Select Project Experience

Project and Program ManagementOrganized and managed projects for clients as well as projects and programs for the state of Kansas.Activities included grant applications and grant management and tracking budgets and programperformance. Ms. Miller has worked with numerous public and private entities to implement and achieveprogram goals. Her creative approach to setting up and scheduling projects has received enthusiasticfeedback from her supervisors and clients. Public involvement activities have consisted of formalpresentations, question/answer sessions, surveys, and formal comment–response documents.

Permitting for Renewable Energy Generation ProjectsMs. Miller has managed and acted as the document and resource lead for NEPA requirements and localpermitting solar, wind, electric transmission lines, and natural gas pipeline projects in Colorado, Arizona,Texas, and Oklahoma.

Resource and Task Lead Support for Energy ProjectsMs. Miller has performed essential resource and task lead duties (water resources, socioeconomics,geology and soils, hazardous materials, environmental justice) associated with numerous small and large-scale projects (electric transmission lines, natural gas pipelines, and substations) in Colorado, Wisconsin,Michigan, Oklahoma, Texas, Oregon, Pennsylvania, New Jersey, and Idaho.

Previous Experience

Project and Program ManagementOrganized and managed projects for clients as well as projects and programs for the state of Kansas.Activities included grant applications and grant management and tracking budgets and programperformance. Ms. Miller has worked with numerous public and private entities to implement and achieveprogram goals. Her creative approach to setting up and scheduling projects has received enthusiasticfeedback from her supervisors and clients. Public involvement activities have consisted of formalpresentations, question/answer sessions, surveys, and formal comment–response documents.

Regulatory Oversight Projects—Ms. Miller performed regulatory project management oversight dutiesfor the following short list of environmental remediation project sites:

Pester Burn Ponds National Priorities List (NPL) Site—This Remedial Investigation/Feasibility Study(RI/FS) project refinery site is located in El Dorado, Kansas. The project included innovative cleanuptechnologies for the remediation of refinery sludge ponds that were contaminating area groundwater anda nearby stream.

Fort Riley NPL DOE Site, Fort Riley, Kansas—This project included work with EPA and DOE as thestate leads for the RI/FS process for hundreds of individual contaminated areas within this military


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installation, including underground storage tank areas, equipment maintenance areas, and ordinance/bombing range areas.

FMC Fertilizer Plant, Lawrence, Kansas—This state voluntary cleanup project involved remediation offertilizer-contaminated alluvial groundwater and ongoing monitoring and evaluation using groundwatermodeling of the river/groundwater interface hydrological system.

Texaco Refinery, El Dorado, Kansas—This state voluntary cleanup site involved monitoring andcleanup of hydrocarbon-contaminated groundwater in and surrounding the refinery.

Boeing Plant, Wichita, Kansas—This state voluntary cleanup site involved investigation, monitoring, andcleanup of solvent (volatile organic compounds) contaminated groundwater in and surrounding theairplane manufacturing plant.

Permitting for Renewable Energy Generation ProjectsMs. Miller was the project manager for Sempra Generation’s proposed six-square-mile photovoltaic solarenergy facility west of Phoenix, Arizona – Mesquite Solar Project. Duties have included consultingsupport for securing local (Maricopa County) and state (Arizona Corporation Commission) permits forland use amendments, drainage variances, special use permits, and the State Certificate of Compatibilityfor the transmission line.

Resource and Task Lead Support for Energy ProjectsMs. Miller has performed essential resource and task lead duties (water resources, socioeconomics,geology and soils, environmental justice) associated with numerous large-scale projects, including theCapX 2020 Transmission Line permitting process and the NextGen Environmental Evaluation. Sheperformed similar duties for the Garmesa Pipeline EA (a U.S. Bureau of Land Management [BLM]project) and the Idaho Power transmission line and water pipeline project EA (another BLM project).

Permitting and Siting for Substations and Transmission LinesMs. Miller was the project manager for acquisition of the planning permit for Xcel’s Spindle HillSwitching Station in the town of Frederick, Colorado. The permit process, which is almost complete, hasinvolved detailed landscaping, grading, and drainage features as well as the approval of two waiversthrough a town board hearing. Other Colorado substation permitting projects have included Xcel’sKelim Substation (Johnstown) and Xcel’s Ault Substation (Weld County). She was also involved in apermit process for new Xcel transmission lines in the city of Aurora, Colorado, which includes proposedtree removal and replacement according to city landscaping guidelines. Ms. Miller also assisted in thesiting study for Xcel’s Arrowhead Lake Substation in Greeley, Colorado. Ms. Miller conducted resourcestudies for the Project Power EA 115-kV transmission line and facilities in Santa Fe, New Mexico, forthe Public Service Company of New Mexico. The lead agency for the project was Taos office of theBLM. Three final transmission line routes were evaluated in the EA.

I-70 Mountain Corridor Programmatic EIS (PEIS)Ms. Miller performed an analysis of existing and future water supply requirements in the corridor for theevaluation of indirect impacts in relation to future corridor growth. She was also responsible for thepreparation of the regulated and hazardous materials, social and economic values, land use, and waterresources (including water quality) portions of the PEIS. Ms. Miller also worked with the U.S. ForestService to formulate and implement a methodology for analysis of indirect impacts to recreationresources. Mine wastes from historical mining in the corridor have contaminated soil and streams alongI-70. She assisted in coordination with the Colorado Department of Public Health and Environment,Colorado Department of Transportation (CDOT), and EPA for a Memorandum of Agreement thatwould address the handling of mine waste contamination in soil and groundwater. She assisted in the


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creation of a land use and watershed-based methodology to evaluate cumulative impacts toenvironmental resources and community values that received positive comments from EPA. Ms. Millerwas also a major participant in the categorization, organization, internal review, and response formationprocess associated with public comments received on the draft PEIS.

GSA NEPA ProjectsMs. Miller performed resource studies, due diligence studies, and project management duties fornumerous GSA NEPA projects. She acted as the consulting project manager of an EA for a borderstation in Roosville, Montana, which resulted in a Finding of No Significant Impact (FONSI) for thereplacement/upgrade of this aging rural border station. Her project management experience includedcompletion of several GSA CatEx checklist reports following the GSA Public Buildings Service's NEPAdesk guide. Ms. Miller completed various NEPA resource studies (geology, water resources, wetlands,floodplains, land use, and hazardous materials) for GSA projects in Salt Lake City, Utah; Helena,Montana (Federal Judicial Court Building); Sweetgrass, Montana; Fort Collins, Colorado (APHISResearch Building); and the Denver Federal Center (Building 25 Renovation CatEx). She also completedseveral Phase I and Phase II ESA studies for GSA, including border station projects in Sweetgrass andRoosville, Montana.

Powers Boulevard EAMs. Miller prepared a methodology for the analysis of water quality impacts in this highly urbanized andgrowing transportation corridor project in Colorado Springs, Colorado. Issues of concern includedincreased stormwater runoff from increased impervious surface areas, sedimentation, and subsequentchanges to stream channels and surface water quality. The analysis used a long-range stormwater qualitymodel to evaluate existing and future pollutant loads in numerous subbasins through the corridor usingland use data and project design data. Numerous permanent best management practices (dry detentionbasins) are proposed that would collect runoff from the highway as well as from adjacent areas in thesubbasins.

Over the River EAMs. Miller coordinated issue discussions and prepared the following EA sections for this controversialproject: air quality, noise, floodplains, engineering safety, geology, soils, hazardous materials, waterresources, wild and scenic rivers, farmlands, and hydrology and water rights. She also prepared publiccomment summaries based on public scoping meetings for the project.

Broadway Viaduct CatEx, DenverMs. Miller conducted an extensive environmental analysis of hazardous materials and water resourcesalong a proposed roadway improvement corridor of I-25 for CDOT. Because the corridor is denselypopulated by industry and commercial business, researching of possible limitations for design optionsincluded a comprehensive search for potentially contaminated sites. She also completed the materialsmanagement plan used by the CDOT contractor during project construction.

Various NEPAMs. Miller has also contributed to numerous NEPA studies including U.S. Highway 34 EA and StateHighway 402 EA, Loveland, Colorado; Rock Springs, Wyoming, viaduct replacement EA; BroomfieldFlatirons/U.S. 36 Interchange EA (water resources, wetlands, environmental contaminants studies);Black Hawk, Colorado/SH-119 improvements (wetlands, environmental contaminants studies); and EastBelt Interchange Corridor, Casper, Wyoming. Several of these projects included project managementduties.

Discipline Codes

Project Manager, Primary


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HydrologistPlanner: Urban/RegionalEnvironmental ScientistGeologist

Skill Set

NEPAEnvironmental AssessmentsEnvironmental Impact StudiesEnvironmental GeologyEnvironmental PermittingGeologic Hazard EvaluationsGroundwater SamplingHydrologyLicensing of Power ProjectsNEPA AssessmentsNPDES PermittingPermittingCERCLARCRASampling & Analysis PlanningState ProgramsBorings and Wells—Monitoring WellInstallationBorings and Wells—Soil Classification/LoggingDense Non Aqueous Phase Liquids (DNAPL)

Hydrogeology—Pump Test AnalysisHydrogeology—Slug Test AnalysisHydrogeology—Water QualityHydrogeology—Water SupplyHydrology—Water QualityLight Non Aqueous Phase Liquids (LNAPL)Sampling—GroundwaterSampling—SedimentSampling—SoilSampling—Water Level MeasurementsUnderground Storage Tanks/RefineriesEconomicsLand UsePlanningPublic InvolvementRecreationSitingSocioeconomicsStormwater

Professional References

Tricia Bernhardt, Senior Environmental Planner/Project Manager, Tetra Tech EC, 303-980-3727,[email protected] Tetherow, Environmental Division Manager, J.F. Sato and Associates, 720-299-6651Rick Bean, Remedial Section Chief, Kansas Department of Health and Environment, 785-296-1675

Related Company Information

Payroll Number: 527274Employment Status: Part-TimePreferred First Name: RachelOffice Location: Lakewood, COHire Date: 12/14/09Years with Other Firms: 12Years with Current Firm: 4Total Years' Experience: 16Supervisor: Stephanie Phippen, Senior GeoscientistOffice Phone: (303) 980-3600Cell Phone: (303) 378-5836Fax: (303) 980-3539E-mail Address: [email protected] E-mail Address (if any):Resume Last Revised: 11/12/2013


Mindy Sinnott

Environmental Scientist

Experience Summary

Ms. Sinnott has over 4 years of experience working on due diligence projects, including preparing cost estimates, scopes of work, report production, soil sampling, groundwater sampling, soil vapor sampling, and analytical data interpretation. Her experience has consisted of working with oil and gas clients, wind and solar energy clients, and various commercial clients. She has experience providing oversight of contractors, oversight of excavation activities, handling waste manifests, and preparing remediation and site closure reports. Additional experience includes storm water inspections, SPCC inspections, and sampling and reporting to meet permitting requirements.

Education

BS, Bioenvironmental Science, Texas A&M University, 2013

Registrations/Certifications

Transportation Worker Identification Credential, Expires 5/1/19

Training

Adult First Aid and CPR; American Red Cross; 2017 Hydrogen Sulfide Training; 2014 OSHA 40-Hour HAZWOPER Training; 2014 OSHA 8-Hour Refresher; 2018

Corporation Project Experience

Environmental Scientist, February 2017–Present Lockheed Martin Space Systems, Core Services Contract, Littleton, CO Conducts bi-weekly outfall sampling per discharge permitting requirements at the Waterton facility. Responsible for semi-annual groundwater monitoring using hand bailing techniques and HydraSleeves, and conducts various stormwater and SPCC inspections. Responsible for reviewing laboratory analytical reports and preparing the monthly Discharge Monitoring Reports. Assists in special request sampling and other operation and maintenance programs.

Environmental Scientist, December 2016- Present NextEra Energy Resources, Environmental Site Assessments, United States Responsible for conducting site assessments and preparing Phase I Environmental Site Assessments for proposed and operational wind and solar projects.

Environmental Scientist, January 2014–Present D.R. Horton Homebuilders, Environmental Due Diligence, United States Responsible for preparing due diligence reports for over 100 sites across the United States. Prepares reports, in addition to preparing recommendations, scopes of work, and costs for Phase II ESAs and geophysical surveys. Currently serves as the primary field scientist for conducting Phase II ESAs and geophysical surveys in the state of Colorado.

Environmental Scientist, January 2014–December 2016 Halliburton Energy Services, Environmental Due Diligence and Remediation, United States Responsible for communicating with clients, preparing proposals and cost estimates, conducting site assessments and writing Phase I and Phase II Environmental Site Assessments (ESAs). Responsible for conducting remediation projects and preparing subsequent regulatory closure reports which were submitted to the Texas Commission on Environmental Quality (TCEQ). Served as the primary report


Mindy Sinnott


writer and field scientist for Halliburton oilfield service facility close-out projects throughout Texas, Louisiana, and Oklahoma.

Environmental Scientist, June 2014–October 2016 Marathon Oil Company, Phoenix Lake Project, Orange, TX Prepared an Affected Property Assessment Report (APAR) for the Phoenix Lake project along the Sabine River, which was submitted to the TCEQ. This project included the organization and interpretation of approximately four years of geotechnical reports and soil, groundwater, surface water, and/or sediment analytical data related to the historical operations as a creosote plant. Prepared the APAR report and reviewed the findings of various site-specific ecological risk assessments.

Environmental Scientist, October 2015–October 2016 Chevron Phillips, Cedar Bayou, Baytown, TX Prepared a Response Action Plan (RAP) for a primary settling basin at the Chevron Phillips Chemical Company Cedar Bayou Chemical Complex following completion of the APAR. After remediation activities were completed, prepared a Response Action Completion Report (RACR) for submittal to the TCEQ.

Discipline Codes


Skill Set

REGULATORY AFFAIRS Environmental Assessments Environmental Engineering Field Sampling Groundwater Sampling

Related Company Information

Payroll Number: 543488 Employment Status: Full Preferred First Name: Office Location: Golden, CO Hire Date: 1/13/14 Years with Other Firms: 0 Years with Current Firm: 4 Total Years' Experience: 4 Supervisor: Sherry Gibson, VP of Federal Programs Office Phone: (303) 980-5342 Cell Phone: (972) 814-4062 Fax: E-mail Address: [email protected] Other E-mail Address (if any): Resume Last Revised: 11/08/2018

Documents

FINAL PHASE I ENVIRONMENTAL SITE ASSESSMENT GRAZING … · 2019-04-18 · protections” [LLP])—that is, the practices that constitute “all appropriate inquiry into the previous