Page 1 of 25

Julian Sandino, Ph.D., B.C.E.E., IWA FELLOW, P.E.

Wastewater Treatment Fellow

Education B.S., Civil Engineering, Universidad de Los Andes, Bogota, Colombia, 1982 M.S., Environmental Health Engineering, University of Kansas, 1984 Ph.D., Environmental Health Engineering, University of Kansas, 1993

Professional Registrations Professional Engineer: Kansas # 13571 (1995); Arizona # 47784 (2008)

Professional Memberships Water Environment Federation (WEF) Inter-American Association of Sanitary Engineering (AIDIS) International Water Association (IWA)

Relevant Experience As vice president and wastewater treatment fellow, Dr. Julian Sandino brings more than 25 years of experience leading and assisting multi-disciplinary teams in over 300 sanitary infrastructure and environmental projects throughout the world including process evaluation and design for a wide variety of wastewater treatment facilities. His projects have included the definition of appropriate wastewater management solutions in locations with a wide range of different technical, economical, environmental and social requirements such as New York, Rio de Janeiro, Cairo, Los Angeles, Sao Paolo, Boston, Bogota, San Diego, Mexico City, Miami, Santiago, Chicago, and Buenos Aires. He also serves as an advisor and special consultant to the World Bank in the areas of Water and Sanitation.

He has been responsible for alternative evaluation, process design, and startup of nutrient control systems utilizing biological nitrification/denitrification and phosphorus removal processes. His experience with aerobic biological liquid treatment processes (for both domestic and industrial applications) comprises process evaluations and designs for suspended growth systems including plug-flow and completely mixed activated sludge systems, contact-stabilization, extended aeration, and pure-oxygen high-rate activated sludge. His involvement with activated sludge aeration systems includes the evaluation and design of several types of mechanical and diffused aeration equipment. He has developed specification documents for new types of aeration technologies, and has performed basic research work involving fine bubble, diffused aeration systems.

Dr. Sandino’s expertise with biofilm-based processes covers all aspects of the application of conventional processes such as rock and plastic media trickling filters, as well as hybrid systems, combining suspended growth and biofilm systems, such as trickling filter/solids contact (TF/SC) process, activated biofiltration (ABF) process, and integrated fixed film activated sludge (IFAS) and moving bed biological reactor (MBBR) systems.

Page 2 of 25

He is also experienced in the application of anaerobic treatment for both high-strength industrial waste and for domestic sewage applications using a variety of rector configurations (UASB, completely mixed, fixed film, MBR).

Dr. Sandino's experience in the management of wet weather flows at treatment facilities includes the application of both biological and physical-chemical processes for this purpose. He is well versed in the utilization of chemically-enhanced primary treatment (CEPT) and ballasted flocculation systems (e.g. Actiflo, Densadeg), including variations of these processes that incorporate a preliminary biological conditioning stage aimed at improving removal efficiencies and optimizing chemical requirements.

In the area of treated effluent reuse, he has conducted several studies to evaluate its technical-economical feasibility and has designed several systems for recreational, agricultural and industrial reuse.

His experience in odor control includes conducting odor surveys and evaluating existing facilities for odor generation. He has also conducted several alternative evaluations for odor control, considering both liquid and atmospheric control mechanisms.

Dr. Sandino is experienced in the process design of sludge handling (storage, thickening, dewatering) and stabilization facilities. His work has included side-by-side testing of centrifuges and belt filter presses in dewatering sludge. His experience with sludge stabilization includes the full-scale evaluation and process design of lime stabilization facilities, and the design of aerobic digesters. Regarding anaerobic sludge digestion, he is experienced in the process design and evaluation of different types of processes, where different operational modes, digester shapes (i.e., conventional flat-bottom, egg-shaped) and mixing equipment have been considered. He has conducted research on the areas of thermal-phased anaerobic digestion and ultrasound conditioning of waste activated sludge. He is co-author of the chapter on anaerobic digestion for the WEF Manual on Sludge Stabilization (MOP FD-9) and was responsible for a nationwide survey of anaerobic and aerobic sludge stabilization facilities evaluating their compliance with 40 CFR Part 503.

His experience also covers the preparation of alternative delivery project (DB, DBO, and BOT) bidding documents for wastewater treatment facilities, and has participated in several of these types of projects both as part of bidding teams and in the evaluation of proposals.

He has participated in several Water Environment Research Foundation (WERF) projects as Principal Investigator, Project Leadership Team member, and as chair of Project Subcommittees overseeing research efforts conducted by others. Research projects include the recently completed Development of a Technology Roadmap for Sustainable Wastewater Treatment in a C-Constrained World for the Water Environment Research Foundation (WERF); as Principal Investigator WERF’s project 05-CTS-3 Evaluation of Processes to Reduce Sludge Solids Generation and Disposal; as Chair of the Project Subcommittee for WERF’s project 02-CTS-4 Membrane Bioreactors for Anaerobic Treatment of Conventional and Medium Strength Wastewater; and Leadership Team Member for WERF’s Research Program 06-NUTR-1 Efficient, Cost-Effective Nutrient Removal from Wastewater. Dr. Sandino is immediate past chair of WEF’s Chair of the Municipal Wastewater Treatment Design Committee. He is also a member of the Management Committee of IWA’s Design, Operations, and Costs of Large Wastewater Treatment Plant (LWWTP) Specialist Group. He

Page 3 of 25

recently completed his second term in the Board of Trustees and as Chair of the International Coordination Committee of the Water Environment Federation (WEF) and in 2008 received the prestigious Engelbrecht International Achievement Award from WEF. He is a member of the Article Review Board of WEF’s Water Environment and Research and of Water Science and Technology, the research journal of the International Water Association (IWA). A prolific author himself, he has authored more than 70 technical papers and publications.

Prior to joining CH2M HILL in 2005, Dr. Sandino served as associate vice president and water reclamation practice leader for Black & Veatch, an engineering, consulting and construction company specializing in infrastructure development.

Representative Experience with CH2M HILL

Process Specialist, Wet Weather Improvements, Hartford WWTP, Hartford CT. Participating in the design of primary treatment improvements to better manage wet weather flows at this treatment facility.

Senior Technology Consultant, Omaha CSO Program MRWWTP upgrade, Omaha, NE. Overseeing process issues associated with the upgrade and expansion of the Missouri River WWTP to better manage wet weather flow conditions.

Senior Technology Consultant, Kansas City, Mo – Rocky Branch/Todd Creek, Kansas City, MO Disinfection upgrade. Process design overview for the incorporation of UV disinfection for this WWTP,

Senior Technology Consultant, Louisville, KY Paddy’s Run WWTP Wet Weather Improvements Project. Lead process designer of the 150 MGD CSO storage and treatment facilities.

Senior Technology Consultant, Puerto Rico Water & Sewer Authority, San Juan, PR, Evaluation of 10 WWTP for EPA program compliance and budgeting

Senior Technology Consultant, Process Evaluation of the Cayey WWTP, Puerto Rico Water & Sewer Authority, San Juan, PR. Review of processing capabilities of this nutrient removal wastewater treatment facility.

Senior Technology Consultant, 91st Ave WWTP Sludge Master Plan, Phoenix, AZ. Participated in the development of a sludge management plan for the treatment residuals of this treatment facility.

Senior Technology Consultant, Wet – Weather Flow Management Master Plan, Hartford CT. This project evaluated wet weather flow management strategies to be implemented in the 80 mgd Hartford water pollution control facility (WPCF). Alternative considered included different types of biologically and chemically enhanced clarification (with both conventional and ballasted flocculation clarifiers), and several effluent disinfection options. Modifications to the secondary treatment process to make it less susceptible to the additional hydraulic loads where also considered.

Page 4 of 25

Senior Technology Consultant, Milwaukee MSD Capacity study, Milwaukee, WI. Part of the team of process specialists that assesses the process and hydraulic capacity of the Jones Island and the South Shore WWTPs.

Senior Technology Consultant, Marysville WWTP Facilities Plan, Marysville, OR. Led the evaluation of alternatives and the development of a recommended improvement plan to improve reliability of tertiary filtration process and incorporation of nitrogen control capabilities.

Senior Technology Consultant, Woodburn WWTP Improvements, Woodburn OR. Part of the Team that studied alternatives to improve wet weather flow management, nitrification capabilities, meet temperature TMDL requirements and study sludge disposal options.

Senior Technology Consultant, PRASA Metro Region Program Management – Biosolids sludge master plan, San Juan, PR. Part of the team that developed an Island-wide disposal/reuse plan for the treatment residuals from all of the plants operated by PRASA in the Island.

Senior Sanitary and Process Design Engineer, PTAR Atotonilco, Mexico City, Mexico. Responsible within the Program Management team for all aspects related to wastewater treatment, effluent reuse, and sludge treatment and disposal for the 800 mgd (35 m3/s) Atotonilco WWTP, the largest facility of its type implemented under a single project in the world. This plant will have a 270 mgd (12 m3/s) chemically enhanced clarification system to manage wet weather flows. Senior Technology Consultant, Nelson Complex WWTP, Johnson County, KS . Conducted evaluations for incorporating nutrient removal and wet weather upgrade options for the two trickling filter facilities with a peak flow total capacity of 52 mgd.

Technical Director, Wilson Creek WRP Upgrade/Expansion, North Texas Municipal Water District, 2008- present. Led the evaluation of wet weather flow management strategies and the regulatory negotiation process for the first full-scale application of the BioActiflo process. This facility will rely on the Actiflo ballasted flocculation process to serve as tertiary treatment during dry weather flow conditions, and will be re-configured as a biological and chemical assisted high rate system (BioActiflo) during wet weather events. The plant upgrades are currently under construction and will be operational in the Summer of 2012.

Senior Technology Consultant, Combined Sewer Overflow Treatment Master Plan, Ft. Wayne, IN. Assisting in the efforts to rate existing facilities for dealing with wet-weather flows, and in the development of alternative approaches to increase this capacity to match the requirements identified as part of the implementation of I/I reduction measures in the collection.

Process Optimization Lead, Ina Road WRP Expansion/Upgrade, Pima County AZ, 2008- present. Led the process evaluation and design of a 55 mgd expansion project that also upgraded conventional treatment facilities to enable biological nutrient removal using a 5-stage Bardenpho configuration. Sludge thickening and stabilization facilities were also expanded/upgraded.

Senior Technology Consultant, South Dade WWTP Rehab and Refurbishment Project, Miami-Dade Water and Sewer Department (MDWSD), 2007 –Present. Leading the process evaluations of this 112 mgd HPOAS facility as part of a comprehensive rehabilitation and refurbishment project.

Page 5 of 25

Senior Technology Consultant, Lemont WWTP Upgrade and Expansion Project, Metropolitan Water Reclamation District of Greater Chicago (MWRDGC), 2007. Participating in the study of alternatives and in the design of recommended options for the upgrade and expansion of this activated sludge facility for nutrient removal, and to better handle wet-weather related flows.

Leadership Team Member, Efficient, Cost-Effective Nutrient Removal from Wastewater (06-NUTR-1), Water Environment Research Foundation (WERF), Alexandria, VA, 2007-Present. One of four members of the Leadership Team selected by WERF to oversee all of its nitrogen and phosphorus related research activities over the next five years.

Senior Technology Consultant, Combined Sewer Overflow Treatment Master Plan, Ft. Wayne, IN, 2007 - Present. Assisting in the efforts to rate existing facilities for dealing with wet-weather flows, and in the development of alternative approaches to increase this capacity to match the requirements identified as part of the implementation of I/I reduction measures in the collection.

Principal Investigator, Evaluation of Processes to Reduce Activated Sludge Solids Generation and Disposal (05-CTS-3), Water Environment Research Foundation (WERF), Alexandria, VA, 2007 – Present. Leading a team of researchers in the review of the state of the practice in sludge generation reduction technologies, and in the establishment of a common evaluation methodology for their consideration for both municipal and industrial wastewater treatment applications.

Senior Technology Consultant, Wastewater Improvements Program Management, Department of Public Works, City-Parish of Baton Rouge, LA. 2007-Present. Leading process design efforts in the evaluation of the existing three large WWTPs that rely on trickling filter technology. Develop wet weather management solutions for all three facilities. Develop Immediate and Long Term Action Plans for Improvements to the 2.2 m3/s South WWTP and is serving as senior reviewer of the detailed design of the recommended improvements.

Senior Technology Consultant, Lower Meramec WWTP Plant Start-up Services, St. Louis MSD, MO, 2006 – Present. Assisting start-up efforts of this trickling filter facility by providing training to operators, laboratory on fundamentals of biological treatment processes, trickling filter operational guidelines, troubleshooting issues, and data collection and lab analysis requirements.

Conference Chair, Nutrient Removal: State of the Art 2007 Specialty Conference, Baltimore, MD, March 4-7, 2006- 2007. Led a team of volunteers and staff in the planning and execution of this highly succesful first joint specialty conference co-sponsored by WEF, IWA, and USEPA.

Senior Technology Consultant, North Oconee WWTP, Athens-Clark County, GA, 2006 – Present. Oversee process issues in the design of this Greenfield 14 mgd BNR treatment facility.

Senior Technology Consultant, Tomahawk Creek WWTP, Johnson County, KS, 2006 –Present. Conducted evaluations for incorporating nutrient removal and wet weather upgrade options for flows up to 19 mgd in a trickling filter facility, and will oversee process issues associated with the detailed design of recommended upgrades.

Senior Technology Consultant, Biologically Enhanced CEPT Testing, Milwaukee MSD, Milwaukee, WI, 2006. Directed the design and the execution of a testing program aimed at

Page 6 of 25

evaluating the feasibility of a biological enhanced chemical primary precipitation system in order to meet the new EPA guidelines for the management of wet weather flows at wastewater treatment facilities.

Senior Technology Consultant, High Rate Treatment Study, Milwaukee MSD, Milwaukee, WI, 2006. Review of final deliverables for this field evaluation of ballasted flocculation treatment and UV disinfection of wet weather related flows.

Senior Technology Consultant, Nitrogen Removal Upgrade, Fields Point WWTP, Narragansett Bay Commission, RI, 2006- Present This project provides design services and construction supervision for the upgrade of a conventional activated sludge facility now required to meet low nitrogen levels (TN < 5 mg/l) for an anticipated 77 mgd max month design flow, by incorporating an Integrated Fixed Film Activated Sludge (IFAS) process modification, the largest designed to date in the world.

Senior Technology Consultant, Wastewater Improvements Program Management, Department of Public Works, City-Parish of Baton Rouge, LA. Leading process design efforts in the evaluation of the existing three large WWTPs that rely on trickling filter technology. Develop an Immediate Action Plan for Improvements to the 150 mgd (6.6 m3/s) South WWTP. Develop wet weather management solutions for all three facilities. Supervised process issues associated with the development of a wastewater treatment master plan.

Senior Technology Consultant, RSRMAP Report Peer Review, Department of Public Works, City-Parish of Baton Rouge, LA. 2006. Evaluated the analysis and recommendations of the components dealing with necessary improvements for wet weather management within the wastewater treatment system as part of the Peer Review effort of the “Sewer System Model Verification and Revised Second Remedial Action Plan (RSRMAP) report. Conducted follow up workshops with DPW Engineering and Operations staff focused on further analyzing plant performance, development of corrective action plans, and further training DPW staff on the design and operation of trickling filter-based treatment systems.

Senior Technology Consultant, Guide to Managing Peak Wet Weather Flows in Municipal Wastewater Systems, Water Environment Federation, Alexandria, VA, 2005 - 2006. Participated in the development of this protocol aimed at providing guidance to utilities in “Best Practices” associated with managing wet weather flows both in wastewater conveyance and treatment systems. The guide provides a method for Publicly Owned Treatment Works (POTWs) to become more proactive in moving forward in planning for wet weather flows.

Member, Examination of Reactivation of Coliforms in Anaerobically Digested Biosolids (03-CTS-13T), Water Environment Research Foundation (WERF), Alexandria, VA, 2003 - 2007. Member of the Project Subcommittee for the WERF-funded research study of the reactivation of pathogens after high-solids centrifugation of anaerobically digested sludge.

Senior Technology Consultant, Biologically Enhanced CEPT testing, Milwaukee MSD, Milwaukee, WI, 2006. Directed the design and the execution of a testing program aimed at evaluating the feasibility of a biological enhanced chemical primary precipitation system in order to meet the new EPA guidelines for the management of wet weather flows at wastewater treatment facilities.

Senior Technology Consultant, Lime Stabilization System Bid Evaluations - Aguas Andinas, Santiago, Chile, 2006. Led a team in the evaluation of lime stabilization equipment

Page 7 of 25

bids for the 200 mgd La Farfana WWTP. This equipment is intended to serve as a back-up system for tha plant’s existing anaerobic digestion process.

Senior Technology Consultant, Palm Jumeirah Water Reclamation and Reuse Master Plan, Palm Water, Dubai, UAE, 2006. Developed water reclamation/reuse alternatives as part of a master planning effort for this man-made island.

Senior Technology Consultant, VA Nutrient Trading, 2006. Assisted in the development of an approach for the establishment of the costs associated with the incorporation of limit of technology (LOT) upgrades for nutrient control for over 100 municipal and industrial facilities discharging into the sensitive Chesapeake Bay area.

Senior Technology Consultant, WWTP Operations Trouble Shooting, Little Blue Valley Sanitation District, Independence, MO, 2006. Provided assistance in developing solutions aimed and reducing sludge bulking experienced as part of the start-up of this new activated sludge facility.

Relevant Experience Prior to CH2M HILL Project Manager, ICMB Excess Flow Improvements Pre-Design Study, Johnson County Wastewater District, Johnson County, Kansas, 2005. Leading a multidisciplinary team evaluating options for upgrading existing treatment facilities to incorporate excess flow management improvements for a total flow of 80 mgd (3.6 m3/s). Options considered included converting existing single-stage activated sludge facilities into Integrated Fixed-film Activated Sludge (IFAS), and incorporating flow equalization followed by ballasted flocculation for flows bypassed from secondary treatment during wet-weather events.

Process Advisor, Evaluation of Nitrogen Control Strategies, Westchester County BNR Pilot Study, Mamaroneck WWTP, Westchester County, NY, 2004. Providing advice in the setup and execution of the pilot study of advanced biological nitrogen control studies as part of the Long island Sound Nitrogen Control Plan. Process configurations tested included Integrated Fixed-Film Activated Sludge (IFAS) and Moving Bed Biological Reactors (MBBR).

Senior Process Engineer, WWTP Technical Due Diligence Study, Sumitomo Corporation, Mexico D.F. , Mexico, 2004. Evaluated three operating treatment facilities as part of a due diligence study. All facilities utilized the Densadeg process (a variation of ballasted flocculation) followed by chlorine disinfection for the treatment of municipal wastewaters to be eventually used for restricted agricultural reuse schemes.

Research Director, Applicability of Ultrasound Conditioning of Waste Activated Sludge to Reduce Foaming Potential in Anaerobic Digestion of Combined Sludges, Iowa State University, Ames, Iowa, 2003 - 2004. Directing this applied research project evaluating the applicability of ultrasound conditioning of waste activated sludge to reduce foaming potential in anaerobic digestion of combined sludges.

Process Development Team Leader, Stickney Water Reclamation Plant Master Plan, Metropolitan Water Reclamation District of Greater Chicago (MWRDGC), Chicago, Illinois, 2003 - 2004. Leading team of process designers in the evaluation and alternative selection of upgrade options for the 1.2 billion gallon/day (53 m3/s) reclamation facility.

Page 8 of 25

Member, Examination of Reactivation of Coliforms in Anaerobically Digested Biosolids (03-CTS-13T), Water Environment Research Foundation (WERF), Alexandria, Virginia, 2003 - Present. Member of the Project Subcommittee for the WERF-funded research study of the reactivation of pathogens after high-solids centrifugation of anaerobically digested sludge.

Member, Panel of Experts, Treatment Evaluation and Environmental Management of the Muña Reservoir, Empresa de Agua y Alcantarillado de Bogota, Bogotá, Colombia, 2003 - Present. Member of a panel of experts assembled to evaluate existing conditions, environmental remediation alternatives and recommend improvements for the 800 hectare Muña Reservoir, including options to incorporate the reservoir as part of the overall scheme for wastewater treatment for Bogotá.

Chair -PSC, Membrane Bioreactors for Anaerobic Treatment of Conventional And Medium Strength Wastewater (02-CTS-4), Water Environment Research Foundation (WERF), Alexandria, Virginia, 2002 - 2004. Chair of the Project Subcommittee for the WERF-funded research study of the application of anaerobic membrane biological reactors (AMBR’s) for the treatment of domestic and low-strength industrial wastewater.

Senior Process Specialist, Tortola Conceptual Design VE Study, Ministry of Communications and Works British Virgin Islands, 2002. Participated in the Value Engineering Study of the wastewater collection and treatment options for the island of Tortola, as part of the BVI Wastewater Master Plan being developed by Berger-CBE. One of the recommended facilities will be equipped with membrane bioreactors to facilitate effluent reuse and to minimize space requirements.

Research Director, Sequential Feed TPAD Demonstration Study, Iowa State University, 2001 - 2002. Led study conducted at ISU aimed at demonstrating the capabilities of a sequentially fed TPAD process in meeting the requirements for Class A pathogen reduction under 40 CFR Part 503, while verifying volatile solids reduction capabilities and overall process stability at different solid retention times.

Senior Process Specialist, Tecate WWTP Upgrade and Expansion Project, NAD Bank, Tecate, Mexico, 2001 - 2002. Senior Process Specialist in charge of the process selection and sizing of upgraded treatment facilities for a project financed by NAD Bank. The project defines upgrade requirements for both liquid treatment and sludge handling facilities.

Senior Process Specialist, Baja California Water and Wastewater Project, CEA, Tijuana, Mexico, 2001 - 2002. Senior Process Specialist in charge of the process selection and sizing of four new wastewater treatment facilities, as part of a project financed by JBIC

Process Advisor, Toronto Ashbridges Bay TP Wastewater Biosolids Odor Project, City of Toronto, Canada, 2001. Participated in a study conducted to establish the causes and define control solutions for odor emissions from biosolids handling facilities. All facilities must include provisions for the future upgrade for reuse purposes.

Page 9 of 25

Process Advisor, Northwest Water Reclamation Plant Upgrade, Expansion: Anoxic Mixer Pump Testing, City of Mesa, Arizona, 2001. Developed testing protocol for the in-situ verification of the pumping capacity of the submersible mixer pumps provided for anoxic zone recycle in a nitrogen control facility.

Process Advisor, OCSD Plant No.1 Trickling Filter Upgrade, OCSD, Orange County, California, 2001. Senior Process Advisor in the evaluation of alternatives and conceptual design of a 1.3 m3/s (30 mgd) trickling filter facility comprised of pumping station, plastic media biotowers, and secondary clarifiers to be used as preliminary treatment for a membrane-based treatment process.

Process Advisor, Panama Bay Wastewater Treatment Master Plan Update, Panama Bay Clean-Up Coordination Unit, Panama, 2000 - 2002. Treatment process selection and design for four treatment facilities as part of a Master Plan Update for the Panama Bay area.

Process Specialist, Evaluation of the SEADS Advanced Wastewater Treatment System, Environmental Technology Evaluation Center, Jacksonville, Florida, 2000. Served as Process Specialist of a Technical Panel evaluating a packaged treatment system for biological nutrient removal

Process Specialist, Constructibility Study, Newtown Creek WWTP, New York, New York, 1999 - 2000. Evaluation of WWTP’s operation (13 m3/s) during construction of upgrade and expansion.

Process Specialist, Sludge Disposal Master Plan, Rio de Janeiro, Brazil, 1999 - 2000. Consultancy in the preparation of the Master Plan for handling and disposal of all sludges from WWTPs that are part of the Guanabara Bay Clean-up Program

Process Specialist, Coke Plant Effluent Treatment, Asturias, Spain, 1999 - 2000. Identification and Evaluation of treatment alternatives for high ammonia effluent from a coke processing facility.

Process Advisor, Dorado Regional Wastewater Treatment System, AFI-AAA Initiative, San Juan, Puerto Rico, 1999 - 2000. Conceptual Design of treatment facilities and preparation of RFP document for EPC implementation.

Process Engineering Specialist, Technical Evaluation of Document C of the Audit to Environmental Impact for the Master Plan for Buenos Aires. AGUAS ARGENTINAS, Buenos Aires, Argentina, 1999 - 2000. Review and update of Documents B and C as part of Phase II of the Audit to the Environmental Impact for the Sewage Collection and Treatment Master Plan for Buenos Aires.

Senior Process Engineer, Parana Environmental Clean-up Project, ParanaSAN, Curitiba, Brazil, 1998 - 2000. Alternative evaluation and process design for 16 wastewater treatment facilities using both anaerobic (UASB) and aerobic processes.

Project Manager, Evaluation of Proposed Pump Station Modifications, Alegria Wastewater Treatment Plant, CEDAE, Río de Janeiro, Brazil, 1998. Evaluation of proposed modifications to 8 m3/s pumping station, including the establishment of hydraulic model testing protocol and the review of the model results

Senior Process Engineer, Review of BOT Bids - Culiacan Wastewater Treatment Plant, JAPAC, Culiacan, Mexico, 1998. Process evaluation of the proposed treatment configurations

Page 10 of 25

for this 1.7 m3/s facility.

Senior Process Engineer, Technical Audit and Environmental Impact Strategic Evaluation for the Wastewater Treatment Program, Aguas Argentinas Concession, Buenos Aires, Argentina, 1998. Evaluation of the proposed treatment schemes proposed under the Program for the 4 treatment facilities serving the Buenos Aires metro area.

Project Manager, Study of Alternatives for Odor Control, Rio Frío Wastewater Treatment Plant. CDMB, Bucaramanga, Colombia, 1997. Management of a team that conducted an odor survey, alternative evaluations and conceptual design of odor control alternatives for a treatment plan based on UASB anaerobic process for municipal wastewater treatment.

Project Manager, Guanabara Bay Pollution Control Program - Pavuna and Sarapui, WWTPs- CEDAE, Río de Janeiro, Brazil, 1997. Management of multidisciplinary team, developing advance conceptual designs for these two 3 m3/s facilities. The designs consider chemically enhanced primary treatment and alkaline stabilization of residual sludges.

Project Manager, Study for the Industrial Reuse of the ABC Plant Effluent, SABESP, Sao Paulo, Brazil, 1997 - 1998. Management of the team assisting a Brazilian consultant evaluating alternatives for the reuse of the secondary effluent of the ABC WWTP for nearby industries.

Senior Process Engineer, Improvement to the Wastewater Treatment System, PEMEX Salina Cruz Refinery, Salina Cruz, México, 1997. Independent engineer for BANCOMER, the financial partner of the Consortium awarded the concession for the Water and Wastewater facilities of the PEMEX Salina Cruz Refinery.

Process Consultant, Viña del Mar-Valparaiso Collector Continuation and Preliminary Treatment at Loma Larga Facility, Empresa de Obras Sanitarias de Valparaiso (ESVAL) S.A., Valparaiso, Chile, 1996 - 1998. Process evaluation and design of small footprint alternatives for preliminary, primary, and secondary treatment for a 6.0 m3/s facility.

Home Office Project Manager, Rio Reconquista Flood Control and Sanitation Project, Unidad de Coordinación del Proyecto Rio Reconquista (UNIREC), Province of Buenos Aires, Argentina, 1996 - 2000. Provide coordination and supervision of home office engineering tasks in support of in-country project team of largest sanitary/environmental project to date in Argentina.

Project Manager, Preliminary Design and BOT Bidding Assistance - Santiago Sur Wastewater Treatment Plant, Empresa Municipal de Obras Sanitarias (EMOS) S.A., Santiago, Chile, 1996. Management of multidisciplinary team developing a preliminary design of a 6.4 m3/s wastewater treatment facility, a biosolids disposal study, a rate impact study, and providing assistance in the bidding of the facility as a build, own, transfer (BOT) project.

Process Engineer, Residuals Master Plan, Companhia de Saneamiento Basico do Estado de Sao Paulo (SABESP), Sao Paulo, Brazil, 1994 - 1996. Defined study methodology and identified sludge disposal technologies/programs for evaluation. Provided expert advice and quality control in the development of the biosolids master plan for the Greater Sao Paulo Metropolitan Area.

Project Manager, Review of Wastewater Treatment Program for the Greater Santiago Metropolitan Area, Empresa Municipal de Obras Sanitarias (EMOS) S.A., Santiago, Chile, 1995. Management of multidisciplinary team reviewing the conclusions of recently completed

Page 11 of 25

wastewater treatment program, and making final recommendations on facility site selection, treatment technology, and viable sludge disposal alternatives.

Process Engineer, Operational Assistance, Dry Creek Wastewater Treatment Plant, City of Cheyenne, Wyoming, 1994 - 1995. Provided onsite assistance in optimization of operational practices and conducted field-scale demonstration of nitrification operation.

Process Engineer, Review of Odor Control Facility Design, Empresa de Obras Sanitarias de Valparaiso, Valparaiso, Chile, 1994 - 1995. Reviewed odor control facility designs for two large wastewater pumping stations.

Process Engineer, Wastewater Treatment Project, Servicios de Agua de Drenaje de Monterrey, Monterrey, Mexico, 1993 - 1995. Process review of design documents for three large wastewater treatment plants financed through OECF loan.

Process Engineer, Wastewater Treatment Plant Operations Plan, City of Helena, Montana, 1993 - 1995. Evaluated existing ABF facilities and developed operating plan to improve performance.

Process Engineer, Biogas Cogeneration Evaluation, 91st. Avenue Wastewater Treatment Plant, City of Phoenix, Arizona, 1994. Evaluated existing anaerobic sludge digestion facilities and simulated process as part of a cost-effectiveness analysis of a biogas cogeneration system.

Process Engineer, Wastewater Treatment Plant Master Plan, City of Mankato, Minnesota, 1994. Evaluation of treatment alternatives and conceptual design of plant upgrade facilities to incorporate nitrification.

Process Engineer, Evaluation of Solids Handling and Disposal Practices, Chicago Metropolitan Water Reclamation District, Chicago, Illinois, 1994. Evaluation of existing wastewater treatment facilities, simulation of liquid/solid treatment processes and recommendation of in-plant optimization strategies.

Process Engineer, 18 Mile Creek Upper Basin, Wastewater Treatment Plant Improvements, Pickens County, Pickens County, South Carolina, 1994. Conceptual design of liquid treatment and solids handling facilities.

Process Engineer, Digester Mixing Study, Tryon Creek Wastewater Treatment Plant, City of Portland, Oregon, 1994. Evaluated anaerobic digestion mixing alternatives for upgrade of existing facilities.

Process Engineer, Wastewater Treatment Plant Upgrade, City of Bloomington, Indiana, 1994. Process design of plant upgrade facilities for nitrification.

Process Engineer, Southwest Subregional Wastewater Treatment Plant Upgrade, Manatee County, Florida, 1994. Simulation of plant performance, establishment of operational optimization strategies, and design of a fine-bubble diffused aeration system retrofit.

Process Engineer, Wastewater Treatment Plant Expansion/Upgrade, City of Wyoming, Michigan, 1994. Historical data evaluation, evaluation of expansion/upgrade alternatives and conceptual design of recommended facilities.

Process Engineer, Wastewater Treatment Plant Upgrade, Rock River Water Reclamation District, Rockford, Illinois, 1993 - 1994. Evaluated existing facilities and recommended system

Page 12 of 25

upgrade and expansion to incorporate nitrification and additional industrial waste contribution.

Process Engineer, Wastewater Treatment Plant Upgrade, Padre Dam Municipal Water District, Santee, California, 1993 - 1994. Evaluated and designed biological nutrient control facilities as an up-grade to existing activated sludge process.

Process Engineer, Beaver Creek Wastewater Treatment Plant Upgrade, Green County, Ohio, 1993 - 1994. Evaluated and designed upgrades including nitrification and phosphorus removal.

Process Engineer, Characterization and Treatability Study, Upjohn Manufacturing Company, Arrecibo, Puerto Rico, 1993 - 1994. Supervised waste characterization pro-gram and anaerobic treatability study for pharmaceutical waste.

Process Engineer, Pathogen Reduction through Anaerobic and Aerobic Digestion Survey, B & V Research and Development, Kansas City, Missouri, 1992 - 1994. Development of data collection proto-cols and data analysis for a nationwide survey evaluating pathogen reduction capabilities of anaerobic and aerobic digestion processes.

Process Engineer, North Wastewater Treatment Plant, City of Topeka, Kansas, 1990 - 1994. Provided process design of liquid treatment and sludge handling and disposal facilities.

Process Engineer, Anaerobic Digestion Evaluation, City of Dayton, Ohio, 1993. Process evaluation of anaerobic digestion facilities including process simulation and field-evaluation of existing facilities.

Process Engineer, Wastewater Treatment Plant Upgrade, City of Mexico, Missouri, 1990 - 1993. Conducted liquid treatment and sludge handling and disposal alternative eval-uation, and performed the process design of the recommended alternative.

Process Engineer, Wastewater Treatment Facilities Upgrade and Expansion, City of Camarillo, California, 1992. Conceptual design of new aeration basins and upgrading of sludge digestion facilities.

Process Engineer, Dulces Nombres Wastewater Treatment Plant, Servicios de Agua y Drenaje de Monterrey, Monterrey, Mexico, 1992. Development of OECF-acceptable bidding documents for a 5 m3/s design-build-and-operate waste-water treatment project including a sludge disposal program.

Process Engineer, Whitecap Wastewater Treatment Plant Expansion, City of Corpus Christi, Texas, 1991 - 1992. Evaluation of treatment alternatives, and conceptual design of recommended liquid treatment and sludge handling facilities.

Process Engineer, Design of Upgraded Treatment Facilities, City of Bartlesville, Oklahoma, 1991. Conceptual design of upgraded nitrification facilities and sludge handling improvements.

Process Engineer, Lucas Wastewater Treatment Plant Upgrade, City of Shreveport, Louisiana, 1991. Development of protocols and data evaluation for the full-scale performance testing of aerobic digestion facilities.

Process Engineer, McDowell Creek Wastewater Treatment Plant Upgrade, Charlotte Municipal Utility District, Charlotte, North Carolina, 1991. Performed process evaluation of

Page 13 of 25

upgrading alternatives incorporating nutrient control capabilities.

Process Engineer, Survey of Existing Sewerage Facilities, Puerto Rican Aqueduct and Sewerage Authority, Puerto Rico, 1991. Survey and evaluation of sewage collection and treatment facilities throughout the Island.

Process Engineer, Wastewater Treatment Plant Upgrade, City of Hays, Kansas, 1991. Provided process design of liquid and sludge treatment facilities required for the upgrade to allow for effluent reclamation through irrigation and aquifer recharge.

Process Engineer, Wastewater Treatment Plant Upgrade, City of Hannibal, Missouri, 1991. Evaluation of treatment alternatives to provide nitrification capabilities to existing pure oxygen activated sludge plant.

Process Engineer, Evaluation of Existing Facilities, City of Bloomington, Indiana, 1991. Provided process evaluation of existing treatment facilities, focusing on nitrification capabilities and sludge processing facilities.

Process Engineer, Northwest Water Reclamation Plant, City of Mesa, Arizona, 1991. Provided process startup services for a nitrification/denitrification activated sludge plant designed for water reclamation purposes.

Process Engineer, Falling Creek Wastewater Treatment Plant Upgrade, Chesterfield County, Virginia, 1990 - 1991. Provided process evaluation of existing treatment facilities and performed process design of plant upgrade for biological nutrient removal.

Process Engineer, Mallard Creek Wastewater Treatment Plant Upgrade and Expansion, Charlotte Municipal Utility District, Charlotte, North Carolina, 1990 - 1991. Performed process design of biological nutrient control facilities.

Process Engineer, Mexico D.F. Reforestation Project, City of Mexico, Mexico D.F., Mexico, 1990 - 1991. Feasibility study and implementation program for the reforestation project in the federal district of Mexico.

Process Engineer, Clark County Sanitation Wastewater Treatment Plant Upgrade and Expansion, Clark County, Nevada, 1989 - 1991. Evaluated existing facilities, treatment alternatives for both liquid and sludge streams, and odor control alternatives. Performed process design of selected liquid treatment and sludge handling and stabilization alternatives.

Process Engineer, Deer Island Residuals Facility, Massachusetts Water Resources Authority, Boston, Massachusetts, 1989 - 1991. Performed process design of sludge handling and stabilization facilities.

Process Engineer, Wet-Weather Flow Treatment Facilities Design, City of Olathe, Kansas, 1990. Evaluation of treatment option and pilot testing of selected alternative for wet-weather flows at the Harold Street wastewater treatment plant.

Process Engineer, Conservation Chemical Company, United States Environmental Protection Agency, Kansas City, Kansas, 1990. Reviewed proposed physical-chemical and biological remediation facilities for a hazardous waste site.

Process Engineer, Wastewater Treatment Plant Expansion, Abbott Laboratories, North

Page 14 of 25

Chicago, Illinois, 1990. Provided process evaluation of existing treatment facilities, and performed process design of plant expansion.

Process Engineer, Wastewater Treatment Plant Upgrade, City of Amarillo, Texas, 1990. Supervised process design of liquid treatment and sludge handling and disposal facilities.

Process Engineer, Wastewater Treatment Plant Upgrade, City of Mesquite, Texas, 1990. Performed process design of liquid treatment and sludge handling and disposal facilities.

Project Engineer, Greater Valparaiso Water Supply and Sewerage Project, Empresa de Obras Sanitaria de Valparaiso S.A., Valparaiso, Chile, 1990. Feasibility study for the Greater Valparaiso Water Supply and Sewerage Project to support request for OECF financing.

Process Engineer, Canal Cities Facility Plan, USAID, Egypt, 1989 - 1990. Developed and evaluated wastewater treatment processes for the cities of Suez, Port Said, and Ismailia. Processes considered included activated sludge with and without primary clarification, aerated lagoons, and deep shaft-activated sludge.

Process Engineer, Wastewater Treatment Plant Upgrade, City of Jacksonville, Illinois, 1987 - 1990. Provided process evaluation of existing facilities and performed process design of liquid treatment and sludge handling facilities.

Process Engineer, Oakland Wastewater Treatment Plant Upgrade, City of Topeka, Kansas, 1989. Performed a process evaluation of existing facilities, including odor generation potential evaluation and side-by-side testing of sludge dewatering equipment.

Process Engineer, Facilities Plan, Johnson County Unified Wastewater Districts, Johnson County, Kansas, 1989. Performed process evaluation of seven existing wastewater treatment facilities.

Process Engineer, Wastewater Treatment Plant Upgrade, City of Junction City, Kansas, 1988 - 1989. Performed an odor generation survey and evaluated odor control alternatives. Performed process design and full-scale testing of a lime addition sludge stabilization process.

Process Engineer, Feasibility Study, City of Topeka, Kansas, 1988 - 1989. Performed process evaluation of three existing facilities and evaluated treatment alternatives for liquid and sludge streams.

Process Engineer, Wastewater Treatment Plant Facilities Plan, City of Lawrence, Kansas, 1988. Evaluated process of existing facilities and treatment alternatives for liquid and sludge streams.

Process Engineer, Wastewater Treatment Plant, City of St. Peters, Missouri, 1988. Performed process design of liquid treatment and sludge handling and disposal facilities.

Process Engineer, Floyd Branch Wastewater Treatment Plant Expansion, North Texas Municipal Water District, Wylie, Texas, 1987. Evaluated odor control alternatives for influent pumping station and solids handling building.

Process Engineer, Middle Basin Wastewater Treatment Plant Upgrade, Johnson County Unified Wastewater Districts, Johnson County, Kansas, 1987. Provided process design review and verified unit process performance.

Process Engineer, Rio Bogota Master Plan, Empresa de Acueducto y Alcantarillado de

Page 15 of 25

Bogota, Bogota, Colombia, 1982 - 1983. Supervision of citywide sewer sampling and characterization program; super-vision of operations and staff training for field-scale biological nutrient control pilot plant.

Overseas Experience Summary* Country Year and Duration Job Position Dubai, UAE 2006 Senior Technology Consultant Panama 2001 – 2002 Process Advisor Spain 1999 – 2000 Process Specialist Argentina 1996 - Present Project Manager Brazil 1994 - Present Project Manager/Process Engineer Mexico 1990 - Present Process Engineer Chile 1990 - Present Project Manager/Process Engineer Puerto Rico 1991 - 1994 Process Engineer Egypt 1989 - 1990 Process Engineer Colombia 1982 - Present Project Manager/Process Engineer *Project required intermittent International travel but did not require residency.

Page 16 of 25

Publications/Presentations Appropriate Sanitation Solutions for Large Urban Areas in Developing Countries, Lecturer, CU's Mortenson Center in Engineering for Developing Communities and Civil, Environmental, and Architectural Engineering Department Guest Lecture Series, Boulder, CO, November 2011.

Brief History of Biological Wastewater Treatment, Lecturer, University of Kansas WEF/AWWA Guest Lecture Series, Lawrence, KS, November 2011

First of Its Kind Full Scale Implementation of a Biological and Chemically Enhanced High Rate Clarification Solution for the Treatment of Wet Weather Flows At A Municipal Wastewater Treatment Facility, Main Author, Conference Proceedings, WEFTE 2011, Los Angeles, CA, October 2011.

Maximizing Wet Weather Treatment Capacity of Nutrient Removal Facilities, Coauthor, Conference Proceedings, WEFTE 2011, Los Angeles, CA, October 2011.

Workshop 102 The Fundamentals of Grit Removal and Grit System Evaluation – Grit Removal/Handling Process Options, Presenter, Conference Proceedings, WEFTE 2011, Los Angeles, CA, October 2011.

Implementing the World’s Largest Wastewater Treatment Project to Date: The Atotonilco WWTP, Conference Proceedings, 11th IWA Specialized Conference on Design, Operation and Economics of Large Wastewater Treatment Plants, Budapest, Hungary, September 2011. Recent Advancements in Optimizing Energy Utilization/Recovery in Wastewater Treatment:

A Compendium of Case Studies of Full-scale Novel Approaches in North America, Presenter, 26th Brazilian Congress of Sanitary and Environmental Engineering, Porto Alegre, Brazil, September 2011.

Energy Management in Wastewater Treatment in North America - A Brief Discussion on Best Practices and Novel Approaches, Presenter, Water Summit V: Achieving Harmony with Water, Milwaukee, WI, September 2011

General Operational Considerations in Nutrient and Wet Weather Flow Management for Wastewater Treatment Facilities, Co-presenter, Ohio WEA Plant Operations Workshop, Columbus, OH, September 2011

Energy Efficiency in Wastewater Treatment In North America - A WERF Compendium of Best Practices and Case Studies of Novel Approaches, Presenter, 61st Annual KU Environmental Engineering Conference, Lawrence, KS, April 2011.

Energy Efficiency in Wastewater Treatment in North America - A WERF Compendium of Best Practices and Case Studies of Novel Approaches, Presenter, Technology Transfer Seminar, Energy Workshop, Eatontown, NJ, March 3, 2011

The Evolving Nature of Wastewater Treatment - From Basic Sanitation and Pollution Control to Resource Recovery, Presented at the XXXII Interamerican Congress of Sanitary and Environmental Engineering, Punta Cana, Dominican Republic, November 2010

Workshop 106 - WEF/WERF Selecting the “Best” Carbon Augmentation for Nitrogen Control: How to Evaluate Alternative Sources, Conference Proceedings, Presenter, WEFTEC 2010, New Orleans, LA, October 2010

Page 17 of 25

Energy Efficiency in Wastewater Treatment in North America: A Compendium of Best Practices and Case Studies of Novel Approaches, Conference Proceedings, Main Author, WEFTEC 2010, New Orleans, LA, October 2010

Footprint Criteria in the Evaluation of Trickling Filter Nutrient Removal Upgrade Options, Conference Proceedings, Coauthor, WEFTEC 2010, New Orleans, LA, October 2010

Evaluation Methodology Frame-work for Processes to Reduce Waste Activated Solids, Conference Proceedings, Coauthor, WEFTEC 2010, New Orleans, LA, October 2010

A Proposed Approach for Modeling Sludge Reduction Technologies, Conference Proceedings, Coauthor, WEFTEC 2010, New Orleans, LA, October 2010

Leveraging Technology to Provide an Implementable and Sustainable Wet Weather Flow Management Solution for the Wilson Creek Rwwtp: A Case Study in the Application of the 2005 Draft Policy on Peak Flow Diversions and the Resulting Regulatory Interactions, Conference Proceedings, Coauthor, WEFTEC 2010, New Orleans, LA, October 2010

Cities of the Future: From Best Practices to the Plant of the Future: The WERF Optimization Program, Conference Proceedings, Coauthor, WEFTEC 2010, New Orleans, LA, October 2010

Evaluation of a Sludge Homogenisation Preconditioning Process for Increased Biogas Production and Reduced Sludge Yields from Anaerobic Digestion, Main Author, Proceedings of the IWA World Water Congress & Exhibition, Montreal, Canada, 19-24 September 2010.

Full Scale Performance Assessment of Selected Sludge Reduction Technologies and Discussion of Underlying Mechanistic Principles, Presenter, 2nd Annual KWEA/KsAWWA Joint Conference, Topeka, Kansas, September 2010

WERF 05-CTS-3 – Evaluation Methodology Framework for Processes to Reduce Waste Activated Sludge, Coauthor, Proceedings of the 2010 Residuals and Biosolids Specialty Conference, Savannah, Georgia, May 23-26, 2010.

Effect of Microsludge on Anaerobic Digester Performance at Des Moines Wastewater Reclamation Facility, Main Author, Proceedings of the 2010 Residuals and Biosolids Specialty Conference, Savannah, Georgia, May 23-26, 2010.

Full Scale Performance Assessment of Selected Sludge Reduction Technologies and Discussion of Underlying Mechanistic Principles, Presenter, NEWEA 2010 Annual Conference, January 24-27th, Boston, MA

Full Scale Performance Evaluation of Sludge Reduction Technologies and Laboratory Determination of Underlying Mechanistic Principles, J. Sandino, D. Whitlock, J. Novak, L. Fillmore, conference proceedings of WEFTEC 2009, Orlando, Florida, October 10-14, 2009

Design of Municipal Wastewater Treatment Plants, Manual of Practice 8, 5th Edition, Chapter 2 – Overall Design Considerations, Lead Author., published October 2009

Treatment Process Reconfiguration Options for Addressing KDHE’s Nutrient Reduction Plan, Julian Sandino, presented at the KWEA & AWWA Joint Conference, Topeka, Kansas, September, 2009

WERF Nutrient Challenge Investigates Limits of Nutrient Removal Technologies, Co-Author and presenter, IWA 2009 Nutrient Removal Conference, Krakow, Poland, September 2009

Page 18 of 25

Modeling Integrated Fixed-Film Activated Sludge and Moving-Bed Biofilm Reactor Systems I: Mathematical Treatment and Model Development, Coauthor, Water Environment Research, Volume 81, Number 6, June 2009

Modeling Integrated Fixed-Film Activated Sludge and Moving-Bed Biofilm Reactor Systems II: Evaluation, Coauthor, Water Environment Research, Volume 81, Number 6, June 2009

Why Nutrient Control and Sustainable Practices, Julian Sandino, presented in the Fundamentals of Biological Nutrient Removal Workshop at the WEF 2009 Nutrient Removal Specialty Conference, Washington DC, June 28, 2009

Carbon Footprinting & Sustainable Design Panel, Julian Sandino Panel Co-moderator, WEF 2009 Nutrient Removal Specialty Conference, Washington DC, June 30, 2009

Nitrogenous Greenhouse Gas Emissions Panel, Julian Sandino Panel Co-moderator, WEF Nutrient Removal Specialty Conference, Washington DC, June 30, 2009

Full Scale Performance Evaluation of Sludge Reduction Technologies and Laboratory Determination of Underlying Mechanistic Principles, Julian Sandino, Drury Whitlock, CH2M HILL; John Novak, Virginia Polytechnic University; Lauren Fillmore, WERF, conference proceedings of the 2009 Residuals and Biosolids Specialty Conference, Portland, Oregon, May 3 - 6, 2009.

Sustainable Energy Management: Achieving Energy Independence at Wastewater Utilities, Drury Whitlock, Julian Sandino, Tim Shea, and Peter Burrowes, presented at the 2009 Residuals and Biosolids Specialty Conference to be held in Portland, Oregon, May 3 - 6, 2009.

Teaching an Old Dog New Tricks: Pima County's Ina Road Wastewater Reclamation Plant Expansion Capacity and Effluent Quality Upgrade Project Update. Julian Sandino, Ron Williams, CH2M HILL ; Mandley Rust, Pima County. presented at the 2009 AZ Water Annual Conference, Glendale, AZ, May 2009

Current State of the Practice of Sludge Reduction Technologies. Julian Sandino, Dru Whitlock, presented at the Texas Water 2009, Galveston, Texas, April 14-17, 2009

Embodied Energy in the Water Cycle, Julian Sandino, Michael Wilson, Bentley Green, presented at the AWWA/WEF Spring Conference, Lake Ozark, Missouri , March 30 – April 1, 2009

Sustainable Energy Management: Augmenting Anaerobic Digesters To Increase Biogas-Fueled Combined Heat And Power Production, Drury D. Whitlock, Julian Sandino, Daniel L. Gall, Marialena Hatzigeorgiou, Tim Shea, and Dimitri Katehis, Proceedings of the 81st Annual Water Environment Federation Technical Exhibition and Conference, Chicago, IL, October 18-22, 2008, Co-author

Modelling Integrated Fixed-Film Activated Sludge (IFAS) and Moving Bed Biofilm Reactor (MBBR) Systems: Development and Verification, Proceedings of the 81st Annual Water Environment Federation Technical Exhibition and Conference, Chicago, IL, October 18-22, 2008, Co-author

Bio Chemically Enhanced Clarification for the Management of Wet-Weather Flows in Large Wastewater Treatment Plants, Proceedings of the IWA World Water Congress and Exhibition 2008, Vienna, Austria, September 2008.

Current State of the Practice of Sludge Reduction Technologies, Proceedings of WEF Residuals

Page 19 of 25

and Biosolids 2008 Conference, Philadelphia, PA, March 30-April 2, 2008

Biosolidos, Rio de Janeiro, Brazil, 27-29 August, 2008

Recent Development s in Sludge Reduction Technologies, Simposio Interamericano de Biosolidos, Rio de Janeiro, Brazil, 27-29 August, 2008

After 15 years of USEPA’s 40 CFR Part 503, Simposio Interamericano de Biosolidos, Rio de Janeiro, Brazil, 27-29 August, 2008

General Considerations in Biosolids Master Planning, Simposio Interamericano de Biosolidos, Rio de Janeiro, Brazil, 27-29 August, 2008

Current State of the Practice of Sludge Reduction Technologies, NJWEA 93rd Annual Conference, Atlantic City, NJ, April 28-May 2, 2008

Bridging the Gap Between Environmental Engineering Practice and Research, Regional Workshop, Columbia University, New York, NY, April 28th, 2008, Panelist

History of Biological Wastewater Treatment, Columbia University, , New York, NY, April 28th, 2008, Guest Lecturer

Bio Chemically Enhanced Clarification for the Management of Wet-Weather Flows in Wastewater Treatment Plants, Joint Missouri WEA and AWWA Conference, Osage Beach, MO, March 30-April 2, 2008 (presented by Bently Green)

Bio Chemically Enhanced Clarification for the Management of Wet-Weather Flows in Wastewater Treatment Plants, Texas Water 2008, San Antonio, TX, March 25-28, 2008

Sludge Production and Thickening Processes, AIDIS/WEF Seminar on Sludge Processing and Biosolids Management, Mexico City, Mexico, 6-7 March 2008

Sludge Stabilization Processes, AIDIS/WEF Seminar on Sludge Processing and Biosolids Management, Mexico City, Mexico, 6-7 March 2008

Sludge Dewatering Processes, AIDIS/WEF Seminar on Sludge Processing and Biosolids Management, Mexico City, Mexico, 6-7 March 2008

Recent Developments and Emerging Trends in Sludge Processing, AIDIS/WEF Seminar on Sludge Processing and Biosolids Management, Mexico City, Mexico, 6-7 March 2008

Biosolids Master Planning Issues, AIDIS/WEF Seminar on Sludge Processing and Biosolids Management, Mexico City, Mexico, 6-7 March 2008

Nutrient Removal Workshop, Wichita, KS, February 21, 2008, Presenter

Nutrient Removal: What the USEPA, WERF, and Others are Doing to Help Address this Challenge, Workshop 201, 81st Annual Water Environment Federation Technical Exhibition and Conference, Chicago, IL, October 18-22, 2008, Co-Chair

Making it Go Away: An Overview of Waste Sludge Reduction Technologies, Workshop 205, 81st Annual Water Environment Federation Technical Exhibition and Conference, Chicago, IL, October 18-22, 2008, Presenter

Wet-Weather Treatment, Session 6, 81st Annual Water Environment Federation Technical Exhibition and Conference, Chicago, IL, October 18-22, 2008, Moderator

Page 20 of 25

The Best of the IWA Large Plant Conference, Session 103, 81st Annual Water Environment Federation Technical Exhibition and Conference, Chicago, IL, October 18-22, 2008, Moderator

Don’t Forget the Head of the Plant: preliminary and Primary Treatment, Session 24, 81st Annual Water Environment Federation Technical Exhibition and Conference, Chicago, IL, October 18-22, 2008, Assistant Moderator

Anaerobic Sewage Treatment in Latin America: A Selection of Twenty Years opf Experience, Proceedings of the 80th Annual Water Environment Federation Technical Exhibition and Conference, San Diego, CA, October 13-17, 2007, Co-author

Biologically and Chemically Enhanced Clarification for Improved Treatment of Wet-Weather Flows, Proceedings of the 80th Annual Water Environment Federation Technical Exhibition and Conference, San Diego, CA, October 13-17, 2007, Co-author

Bio Chemically Enhanced Clarification for the Management of Wet-Weather Flows in Large Wastewater Treatment Plants, Proceedings of the 10th IWA Design, Operation and Economics of Large WWTPs Conference, Vienna, Austria, September 2007, 1st Place Award Poster, Co-author

Sludge Heat Drying: Recent Developments and Emerging Trends, Simposio Interamericano de

2nd External Carbon Source Workshop, WERF Nutrient Challenge/DCWASA, Washington, DC, December 12-13, 2007, Chair

Business Opportunities in the Sanitary Sector Outside The USA: A Tale of Blissful Victories, Shameful Defeats, and Disorderly Retreats In the Latin American Market, Virginia Military Institute, November 7, 2007, Guest Lecturer

Biosolids Minimization Technologies, 6th Annual SWOWEA Plant Operations Seminar, Wilmington, OH, November 15, 2007

Managing Peak Weather Flows in Municipal Wastewater Systems, Workshop 204, 80th Annual Water Environment Federation Technical Exhibition and Conference, San Diego, CA, October 13-17, 2007, Presenter

MBBR-IFAS, Session 3, 80th Annual Water Environment Federation Technical Exhibition and Conference, San Diego, CA, October 13-17, 2007, Moderator

Denitrification, Session 48, 80th Annual Water Environment Federation Technical Exhibition and Conference, San Diego, CA, October 13-17, 2007, Assistant Moderator

Wet Weather Treatment, Session 47, 80th Annual Water Environment Federation Technical Exhibition and Conference, San Diego, CA, October 13-17, 2007, Assistant Moderator

Facing the Challenge of Upgrading WWTPs for Wet Weather Flow Management, Joint Annual AWWA – MWEA meeting, Osage beach, Missouri, March, 2007, Presenter

Nutrient Removal 2007: The State of the Art, WEF Specialty Conference, Baltimore, MD, March 4-7, 2007, Conference Chair

Fundamentals of Biological Nutrient Removal, Workshop C, Nutrient Removal 2007: The State of the Art, WEF Specialty Conference, Baltimore, MD, March 4-7, 2007, Presenter

A New Paradigm for Clean Water Infrastructure, Water Environment Research, Volume 78, Number 1, January 2006

Page 21 of 25

The Continued Search for Cost-Effective Wet Weather Treatment Options, Technical Session, WEFTEC 06, Dallas, Texas, Moderator.

Side-Stream Treatment of N-Rich Sludge Return Liquors – A Bounty of Full-Scale Proven Technologies. Special Panel Session, WEFTEC 06, Dallas, Texas, Moderator

Wastewater Treatment Plant Hydraulics: The Fundamentals, Pre-Conference Workshop, WEFTEC 06, Dallas, Texas, October 2006, presenter, Workshop Co-Chair

Wastewater Treatment Engineering for Nutrient Removal Course - University of Wisconsin-Madison, Co-Instructor, Pewaukee, Wisconsin, April 18-19, 2006

Treatment Process Reconfiguration Options for Addressing KDHE's Nutrient Reduction Plan, Presented at the Kansas Water Environment Association 61st Annual Conference, Lawrence, Kansas, April 13, 2006

Selecting Appropriate Wastewater Treatment Technologies for Large Urban Applications in Developing Countries, Presented at the VII Regional Conference - Region 1 AIDIS, Emerging Technologies for a Sustainable Environmental Quality, Chicago, Illinois, March 28-31, 2006

Evaluation of Ultrasound Pre-Conditioning of WAS to Reduce Foaming Potential in Mesophilic Digesters, Proceedings of the 78th Annual Conference & Exposition of the Water Environment Federation, Washington DC, November 2005, Co-author

A Case for Changing the Water Infrastructure Paradigm, Presented at the Distributed and Nonstructural Water Resource Infrastructure Workshop on Science and Technology Needs and Opportunities, Washington DC, November 10, 2005

Meeting the Challenges of Full-scale Implementation of Suspended Carrier Processes: European and North American IFAS and MBBR Case Studies, Special Session, WEFTEC 2004, New Orleans, LA, October 2004, Co-chair

Crossing the Bridge with MBR Technology: A Joint European and North American perspective on the State of the Practice of MBR Applications, Pre-conference Workshop, WEFTEC 2004, New Orleans, LA, October 2004, Co-chair

Recent Developments in Solids Handling and Stabilization Technologies, XXIX Interamerican Congress of Sanitary and Environmental Engineering (AIDIS), San Juan, PR, August 2004

Ultrasound Conditioning of Waste Activated Sludge, Seminar on Recent Advances in Water and Wastewater Treatment, Public Utilities Board, Singapore, June 2004

Selected Experiences in the Applications of UASB Technology for Large-scale Municipal Advanced Wastewater Treatment Applications, Proceedings of the 77th Annual Conference & Exposition of the Water Environment Federation, New Orleans, LA, October 2004, Co-author

Point-of-Sale Water Reclamation Solutions, Water Environment & Technology, Volume 16, Number 1, January 2004, Co-author

The Smaller the Better – Small-footprint wastewater treatment technologies, Civil Engineering Magazine (ASCE), Volume 73, Number 10, October 2003, Co-author

Chemically Enhanced Primary Treatment (CEPT) and Its applicability for Large Wastewater Treatment Plants,., Proceedings of the 9th IWA Specialized Conference on Design, Operation and Economics of Large Wastewater Treatment Plants, Prague, Czech Republic, September

Page 22 of 25

2003, Author

Apply Heat for Better Results – Sequential feeding for temperature-phased anaerobic digestion satisfies Class A biosolids requirements, Biosolids Technical Bulletin, WEF, Volume 8, Number 4, July/August 2003

State of Consulting Engineering Industry in Latin America , Proceedings of the XI Ecological Summit, AISA- AIDIS, Valencia, Venezuela,, June 2003, Author

Business Opportunities in the Latin American Sanitary Sector: Blissful Victories, Shameful Defeats, and Disorderly Retreats, Guest Lecturer Series, Civil & Environmental Engineering, UC Berkeley, November 2003

A European Perspective on Automation of the Activated Sludge Process, Special Session, WEFTEC 2003, Los Angeles, CA, October 2003, Co-chair

State of Environmental Engineering Consulting Services in America, XXVIII Inter-American Congress of Sanitary and Environmental Engineering - AIDIS, Cancun, Mexico, Oct 2002, Panel member

Recent Technology Developments in Water Reuse, Presented at EXPOAGUA 2002, the Joint WEF-AWWA annual conference, Monterrey, Mexico, May 2002, Author

Upgrading Anaerobic Digestion for Advanced Sludge Stabilization, Proceedings of the XXVIII Inter-American Congress of Sanitary and Environmental Engineering - AIDIS, Cancun, Mexico, October 2002, Author

Evaluation of a Sequential Feed Scheme for Temperature-Phased Anaerobic Digestion (TPAD) Systems Treating Municipal Sludge, Proceedings of the 75th Annual Conference & Exposition of the Water Environment Federation, Chicago, IL, October 2002, Co-author

General Considerations in the Selection of Technologies for Satellite Reclamation Facilities, Proceedings of WateReuse Association Reuse Symposium XVII, Orlando, FL, September 2002, Author

Developing Reduced Staffing Solutions for Satellite Reclamation Facilities Through Appropriate Technology Selection, Proceedings of the 4th Annual Plant Operations & Maintenance WEF Specialty Conference, Kansas City, MO, August 2002, Author

Adoption of Diverse Process Configurations for Wastewater Treatment in Latin America, Proceedings of the International Seminar and Exposition of The Association of Colombian Water and Wastewater Utilities (ANDESCO), Cartagena, Colombia, May 2002, Author

General Considerations in Security of Water Supply Systems, Proceedings of the International Seminar and Exposition of The Association of Colombian Water and Wastewater Utilities (ANDESCO), Cartagena, Colombia, May 2002, Author

Recent Trends in Technology Development for Urban Water Reuse, Proceedings of WEFTEC Latin America, San Juan, Puerto Rico, November 2001, Co-author

Seeking Options to Conventional Anaerobic Digestion, Proceedings of the IWA Biosolids Conference, Acapulco, Mexico, October 2001, Co-author

The Future of Solids Treatment?, Water Environment & Technology, Volume 12, Number 11 , November 2000, Co-author

Page 23 of 25

Regulatory Issues in the Management of Wastewater Treatment Sludges: Lessons Learned from USEPA’s 503 Rule, Proceedings of the Seminar “Sludge Management in Chile: Towards a Coherent and Sustainable Regulation”, AIDIS – Chile, Santiago de Chile., November 2000, Author

Treatment Technologies and Management of Wastewater Treatment Sludges, Proceedings of the Seminar “Sludge Management in Chile: Towards a Coherent and Sustainable Regulation”, AIDIS – Chile, Santiago de Chile., November 2000, Author

Beyond Conventional Digestion? – An Industry Dilemma, Proceedings of the 73rd Conference and Exposition of the Water Environment Federation, Anaheim, California., October 2000, Co-author

Evaluation of UASB Effluent Polishing Alternatives for Municipal Applications, Proceedings of the 73rd Conference and Exposition of the Water Environment Federation, Anaheim, California., October 2000, Co-author

Chemically Enhanced Primary Treatment (CEPT): A Viable Alternative for Sanitary Solutions in Latin America, Proceedings of the 72nd Conference and Exposition of the Water Environment Federation, New Orleans, Louisiana., October 1999, Co-author

Implementation Policies for Sewerage Projects in Latin America: Lessons Learned over the Last Decade, Potable water and Sanitation in Latin America: Technical, Institutional and Financial Challenges” Preconference Workshop, 73rd Conference and Exposition of the Water Environment Federation, Anaheim, California., October 2000, Author

Technical Issues Affecting Water and Wastewater Markets in the Southern Cone, Proceedings of the “Southern Cone Water & Wastewater Conference”, Center Business of Intelligence, Tyson Corners, Virginia., November 1999, Author

Consideraciones Generales en el Establecimiento de Planes Maestros de Disposición de Lodos Residuales, Proceedings of the 20th Brazilian Congress of Sanitary Engineering, WEFTEC Latin America '99, Rio de Janeiro, Brazil , May 1999, Author

Selección de Procesos en la Definición de Esquemas de Saneamiento de Aguas Residuales para Varias Ciudades Latinoamericanas, Proceedings of the 20th Brazilian Congress of Sanitary Engineering, WEFTEC Latin America '99, Rio de Janeiro, Brazil , May 1999, Author

Adoption of Diverse Process Configurations for Wastewater Treatment in Latin America, Revista Interamericana de Ambiente y Saneamiento (AIDIS) Year 1, No.3,, November 1998, Author

ETEs Pavuna y Sarapui- the use of Alternative Treatment Technologies for the Guanabara Bay Clean-up project, Proceedings of the 71st Annual Conference and Exposition of the Water Environment Federation, Orlando, Florida, October 1998, Co-author

Wastewater Engineering Glossary (Spanish-English), Water Environment Federation Publication (ISBN 1-57278-126-2), 1998, Chief Editor

Backing out of BOT, Water Quality International Magazine, March/April 1998, Co-author

Adoption of Diverse Process Configurations for Wastewater Treatment in Latin America, XXVI Interamerican Congress of Environmental and Sanitary Engineering - AIDIS, Lima, Peru, November 1998

Page 24 of 25

Insuring a Successful Private Sector Participation in Wastewater Infrastructure Development in Latin America, Pre-conference Workshop, 71st Annual Conference and Exposition of the Water Environment Federation, Orlando, Florida, October 1998

Recent Developments in Treatment Technologies, Presented at the VI National Congress of Water Resources and Environmental Health, San Jose, Costa Rica, October 1998

Evaluation of Odor Control Alternatives for the Rio Frio WWTP, Presented at the International Forum of Treatment Technologies, AIDIS/ACODAL, Cali, Colombia, July 1997

The Santiago Sur WWTP: Chile’s First mayor Step Towards Implementing Wastewater Treatment in large Urban Areas, Proceedings of the 70th Annual Conference and Exposition of the Water Environment Federation, Chicago, Illinois, October 1997, Co-author

Mayor Treatment Projects Improve Quality of Life in Latin-American Cities, Pollution Prevention Magazine, Vol.5, No.2, April 1997, Coauthor

A Radical Solution for Valparaiso, Pollution Prevention Magazine, Vol.5, No.2, April 1997, Coauthor

The Reconquista River Basin Sanitation and Flood Control Project: Improving the Quality of Life in Buenos Aires, Proceedings of the 69th Annual Conference and Exposition of the Water Environment Federation, Dallas, Texas, October 1996, Coauthor

Biosolids Budgets: Improving Bottom Lines with Solids Thickening and Dewatering, Water Environment & Technology, Volume 7, No.11, November 1995, Coauthor

Programas de Pretratamiento Industrial: Componentes Esenciales de los Proyectos de Tratamiento de Aguas Servidas en America Latina, Proceedings of the 68th Annual Conference and Exposition of the Water Environment Federation, Miami, Florida, October 1995, Coauthor

Sao Paulo, Brazil: Residuals Management Master Planning for Large Metropolitan Areas, Proceedings of the 68th Annual Conference and Exposition of the Water Environment Federation, Miami, Florida, October 1995, Coauthor

Monterrey, Mexico: A Case Study in the Implementation of Large Sewerage Infrastructure Development Projects, Proceedings of the 67th Annual Conference and Exposition of the Water Environment Federation, Chicago, Illinois, October 1994, Coauthor

Development of a Model for the Design and Performance Evaluation of the ABF/AS Process, Proceedings of the 1994 ASCE National Conference on Environmental Engineering,Boulder, Colorado, July 1994, Coauthor

Compliance Outlook: Meeting the 503 Pathogen Reduction and Vector Attraction Reduction Criteria with Aerobic Digestion, Proceedings of the 66th Annual Conference of the Water Environment Federation, Anaheim, California, October 1993, Coauthor

40 CFR Part 503 and Anaerobic Digestion: Transition from PSRP to Pathogen Reduction Criteria, Operations Forum, Vol. 10, No. 9, September 1993, Coauthor

Sludge Handling and Stabilization: General Concepts and Technology Overview, First Joint Meeting of the Mexican Water Works Association and the Mexican Society of Environmental Engineers, Monterrey, Mexico, November 1993

Current Municipal Sludge Stabilization Practices, Can They Fill the Bill Under '503'?, 64th

Page 25 of 25

Annual Meeting of the Missouri WPCA, Jefferson City, Missouri, March 1993

Industrial Pretreatment Programs, 12th Annual Meeting of the Asociación Mexicana de Aguas (AMAAC), Monterrey, Mexico, November 1992

Mesa Successfully Implements Innovative Treatment Technology for Reclamation, Urban and Agricultural Water Reuse Conference, Orlando, Florida, June 1992

Treatment Alternatives for the Soap, Oil, and Grease Industries, Industrial Pretreatment Seminar, Mexico D.F., May 1992

General Considerations in the Management of Air Quality for the Plastics Industry, Industrial Pretreatment Seminar, Mexico D.F., May 1992

Treatment Alternatives for the Pulp and Paper Industry, Industrial Pretreatment Seminar, Mexico D.F., May 1992

Compliance Outlook: Meeting the 40 CFR Part 503 Pathogen Reduction Criteria with Anaerobic Digestion, Proceedings of the 65th Annual Conference of the Water Pollution Control Federation, New Orleans, Louisiana, September 1992, Coauthor

Egg-Shaped Digesters: From Germany to the United States, Water Environment & Technology, Vol. 4, No. 9, April 1992, Coauthor

Long-Term Evaluation of a Flexible Membrane Tube Diffuser Installation, Proceedings of the 63rd Annual Conference of the Water Pollution Control Federation, Washington, DC, October 1990, Coauthor

Lime Stabilization and Land Application: A Cost-Effective Sludge Management Alternative, Operations Forum, 6, 11, and 16, November 1989, Coauthor

Practical Considerations in the Design and Operation of Biological Nutrient Removal Processes, Biological Phosphorus Removal Seminar, Research Triangle Park, North Carolina, June 1987

Personnel Information: Hire Date: 10/22/2005 Previous Years of Experience: 20