Summary of 40 CFR 63 HH

8/11/2019 Summary of 40 CFR 63 HH

http://slidepdf.com/reader/full/summary-of-40-cfr-63-hh 1/67

Any area source;

Any area source, other thanproduction field facilities;

Each triethylene glycol (TEG)dehydration unit located at a

facility;

Each emission point, which includexamples of this equipment incl

Each emission point which includtransmission and storage source ca

batteries, compressor stationequ

Each affected small glycol dehydra

Each affected small glycol dehydra

At Area Sources:

Applicability:

Any area source that has actual

At Major Sources:

http://www.portal.state.pa.us/portal/server.pt/community/dep_external_redirect/9131?externalurl=http://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&SID=0ccbbdb5dc5acd3c08862557d8c08e03&rgn=div6&view=text&node=40:11.0.1.1.1.8&idno=40



Each production field facility at anarea source;

Exemptions:A facility

A major source facility, prior to the point o

For each glycol dehydrationunit process vent;

that is a large glycol dehydrator,

that is an existing small glycoldehydrator

that is a new small gycol

dehydrator

alternatively, the owner oroperator may;

that is



For each storage vessel withthe potential for flash

emissions; the owner or operator of a pressu

the owner or operator shall equip t

the owner or operator shall contr

located at an existing or newsource, the owner or operatorshall meet the requirements

specified in 40 CFR 61 Subpart V,§§61.241 through 61.247 except

as follows:

that is a large glycol dehydrato

For ancillary equipment andcompressors at a natural gas

processing plant and operatesin VHAP service ≥ 300

hr/calendar year;

GeneralStandards:

http://www.ahs2.dep.state.pa.us/Redirector/?varURL=http://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&SID=c0360b8e5d4d8b9acd2c3e81a12b39c4&rgn=div6&view=text&node=40:9.0.1.1.1.22&idno=40



















that is an existing small glycoldehydrator

that is a new small gycoldehydrator

Exemptionsfrom General

Standards:

Ancillary equipment and compressor subject to and controlled un

operate the TEG dyhdration unit sudoes not exceed the opt

maintain a record of the determin

For each owner or operator ofa TEG dehydration unit

located at an area sourcewithin an UA plus offset and

UC boundary ;

determine the optimu

For each owner or operator ofa TEG dehydration unit notlocated at an area source

within an UA plus offset andUC boundary ;

The owner or operator is exempt from the general standards for anatural gas processing plant i

The owner or operator of an area source is exempt fro

Storage vessels subject to and controlled under the requirement



that commenced construction or reconstruction on or after February 6, 1998

that commenced construction or reconstruction before July 8, 2005;

that commenced construction or reconstruction before February 6, 1998;

that commenced construction or reconstruction on or after February 6, 1998

Subpart HH—National Emissions Standards for Ha

that commenced construction or reconstruction before February 6, 1998;

es any grouping of equipment where hydrocarbon liquids are processed, upgraded, oudes, but is not limited to, well sites, satellite tank batteries, central tank batteries, a

emissions;

es any grouping of equipement where natural gas is processed, upgraded, or stored pegory or is delivered to a final end user. This equipment includes, but is not limited tthat transport natural gas to a natural gas processing plant, natural gas processing pl

ipment and compressors located at natural gas processing plants intended to operate

tor, defined as those with an actual annual average natural gas flowrate < 85 MCF/da0.90 Mg/yr;

tor, defined as those with an actual annual average natural gas flowrate < 85 MCF/da0.90 Mg/yr;

that commenced construction or reconstruction on or after July 8, 2005;

emissions of 5 TPY or more of a single HAP or 12.5 TPY or more of a combination of



for a large glycol dehydration unitprocess vent

The owner or operator of a facility that does

hat exclusively processes, stores, or transfers black oil is not subject to the requirem

custody transfer, with a facility-wide actual annual average;

where tp is the annual average daily naturaverage annual BTEX concentration at th


shall connect the process vent to a control device or a combination of control deviceenclosed combustion device or a vapor

limit BTEX emissions to the limitdetermined by

limit BTEX emissions to the limit

determined by

that commenced construction on or before August 23, 2011;

demonstrate, to the Administrator's

satisfaction,not be required to control HAPemissions from a GCG separator (flash

tank) vent if they

a large glycol dehydrator, shall connect the process vent to a control device or a com

= 3.28 × 10− ∗

= 4.66 × 10− ∗



reciprocating compressors in wet gasservice

sampling connection systems

re storage vessel that is designed to operate as a closed system shall operate the vess

he storage vessel with a cover designed and operated in accordance with §63.771(b)

ol air emissions by connecting the cover designed and operated in accordance with§63.771(b)

that is a large glycol dehydrator, shall connect the process vent to a c

r, shall connect the process vent to a control device or a combination of control devic§63.771(d)(1)(i) and (ii)

shall be monitored quarterly and within 5exce

when a leak is det

located at a non-f

pressure relief devices in gas/vaporservice

located at a non-fractionating

locatedpumps in VHAP service

when a leak is detected, it shall be repairedby the later date of:valves in gas/vapor and light liquid

service

located at a non-fractionatin

located




er the requirements specified in 40 CFR 63 Subpart H or is subject to and controlledp

ch that the actual glycol circulation rateimum glycol circulation rate;

if the TEG dehydration unit is unable to methe calculated circulation rate, an alternat

GLYCalc™ Ve

ation of the alternate circulation rate in accordance with 63.774(f) and submit the Ini

shall prepare a new determination in



m glycol recirculation rate

cillary equipment and compressors at af;

the actuam the general standards if;

s specified in 40 CFR 60 Subparts Kb or OOOO, or is subject to and controlled under tp


= 3.28 × 10− ∗

= 4.66 × 10− ∗

= 1.15∗ 3.0



that commenced construction or reconstructionbefore February 6, 1998;

that commenced construction or reconstructionon or after February 6, 1998;

that commenced construction or reconstructionbefore February 6, 1998;

that commenced construction or reconstructionon or after February 6, 1998;

that commenced construction or reconstructionbefore August 23, 2011;

that commenced construction or reconstructionon or after August 23, 2011;

and located within any UA plus offset and UCboundary ;

and not located within any UA plus offset andUC boundary ;

and located within any UA plus offset and UCboundary ;

and not located within any UA plus offset andUC boundary ;

that becomes a major source must comply with the applicable pr

that becomes a major source must comply with the applicable

ardous Air Pollutants From Oil and Natural Gas Production Facilities

Located in an Urban-1 county;

stored prior to the point of custody transfer –d storage vessels with the potential for flash

rior to the point the gas enters the natural gaso, well sites, satellite tank batteries, central tankants, glycol dehydration units, and ancillaryin VHAP service;

y or actual annual average benzene emissions <

y or actual annual average benzene emissions <

not located in an Urban-1 county;

APs, shall update its major source determination within 1 year of the prior determination or Octobmeasured during the preceding 12 months.

located in an Urban-1 county;

not located in an Urban-1 county;



for existing small glycol dehydration units

for new small glycol dehydration units

meet the emissions limit for each unit by doingone of the following:

not contain an affected source is not subject to the requirements of this Subpart.

nts of this Subpart. A black oil facility that uses natural gas for fuel or generates gas from black oil

natural gas throughput < 18.4 thousand scm/day.

hydrocarbon liquid throughput < 39,700 L/day.

al gas throughput, in scm/day and C i,BTEX is theinlet to the glycol dehydration unit, in ppmv.


that meets the requirements of §63.771(d) , except for the performance levels specified for anrecovery device,

control air emissions by connecting the process vent to a process natural gas line.

that becomes a major source on (or after) October 15, 2012, must comply with the appli

that the total HAP emissions to the atmosphere from the process vent are reduced by 95.0% thrcontrol devices, in accordance with the req

for any large glycol dehydration unitH

ben

BTEX emissions are reduce

BTEX emissions are reduced t

ination of control devices that meets the requirements of §63.771(d)

∗ , ∗ 365 ∗

1 × 10

∗ , ∗ 365 ∗

1 × 10



el with no detectable emissions at all times that material is in the storage vessel, except that safety

emission control equipment.

that is connected, through a closed-vent system that meets the conditions specified in§63.771(c) ,

through a closed-vent system that meets the conditions in §63.771(c),

ntrol device or a combination of control devices that meets the requirements of §63.771(d)

es that meets the requirements of §63.771(d) , except for the performance levels specified in,

flares used to comply with this subpart shall comply with the requirements of §63.11(b).

ays after each pressure release to detect leakspt when

the owner or operator has obtained permission f

reduction in emissions of VHAP a

when the device is located in a non-fractionatipressure release the next time the monitorin

operate for more

cted, it shall be repaired as soon as practicable, but no later than 15 calendar days after it is detec

if an instrument reading of 10,000 ppm or greater is measured, a le

are exempt from the requirements of 40 CFR 61.242-5.

ractionating plant that does not have the design capacity to process 283,000 scm/day or more of fi

located at a natural gas processing plant that is located on the Alaskan North Slope are exempt f

plant that does not have the design capacity to process 283,000 scm/day or more of field gas are e

t a natural gas processing plant that is located on the Alaskan North Slope are exempt from the ro

are exempt from the requirements of 40 CFR 61.242-3.

as soon as practicable, but no later than 15 calein repair is granted under 40 CFR 61.242-10. A fi

calendar days, and include,

October 15, 2013 if the source was constructedon or before August 23, 2011

October 15, 2012 if the source was constructedafter August 23, 2011

plant that does not have the design capacity to process 283,000 scm/day or more of field gas are

at a natural gas processing plant that is located on the Alaskan North Slope are exempt from the r

a leak is detected if an instrument reading of 500 ppm or greater i



meet the emissions limit for each unit by doingone of the following:

nder the requirements specified in 40 CFR 60 Subpart OOOO are exempt from the standards of thiriodic reports specified in §63.775(e).

the equipment must operate in VHAP service < 300 hrs/calend

where F is the gas flowrate in MMSCF/day, I i

et the sales gas specification for moisture usingcirculation rate must be calculated using GRI-

sion 3.0 or higher

the owner or operator must document why thethis documentation

ial Notification in accordance with the requirements of 63.775(c)(7). If the conditions change and

ccordance with 63.764(d)(2)(i) and (ii) and submit information specified under 63.775(c)(7)(ii) thro



the equipment contains or contacts a fluid (liquid or gas) has a total VHAP concentration < 1

the actual annual average flowrate of natural gas to the glycol dehydration unit < 85 thousand

l average emissions of benzene from the glycol dehydration unit process vent to the atmosphere a

e requirements specified under 40 CFR 63 Subparts G or CC are exempt from the standards of thisriodic reports specified in §63.775(e).

∗ , ∗ 365 ∗

1 × 10

∗ , ∗ 365 ∗

1 × 10

∗ ( )

24ℎ



must comply with the applicable provisions no later than January 5, 2009.

must comply with the applicable provisions immediately upon startup or January 3,2007, whichever date is later.


ovisions no later 3 years after becoming a major source.

provisions immediately upon become a major source.


is an existing small glycol dehydrator, and must comply with the applicable provisions nolater than October 15, 2015, except as provided in §63.6(i).

is a new small glycol dehydrator, and must comply with the applicable provisionsimmediately upon initial startup, or on October 15, 2012, whichever date is later.

must comply with the applicable provisions of this subpart not later than June 17, 2002,except as provided for in §63.6(i).

must comply with the applicable provisions of this subpart immediately upon startup orJune 17, 1999, whichever date is later.

must comply with the applicable provisions of this subpart not later than June 17, 2002,except as provided for in §63.6(i).

must comply with the applicable provisions of this subpart immediately upon startup orJune 17, 1999, whichever date is later.

must comply with the applicable provisions immediately upon startup or January 3,2007, whichever date is later.

er 15, 2012, whichever is later, and each year thereafter, using gas composition data




connecting the process vent to a controldevice or combination of control devices

designed and operated in accordance with

§63.771(f)

through a closed vent system designed andoperated in accordance with §63.771(c) .

shall qualify for this exemption.

are exempt from the requirements of thisSubpart.

through a closed-vent system that meets the requirements of §63.771(c) , and reducesthe control device(s) outlet benzene emissions to < 0.90 Mg/yr.

performing process modifications in accordance with §63.771(e) .

using a combination of process modifications and one or more control devices asspecified above.

demonstrating the emissions limit is met through actual uncontrolled operation of theunit. The operational parameters must be documented in accordance with §63.771(e)

and emissions must be documented in accordance with §63.772(b)(2).

cable provisions no later than October 15, 2015, except as provided in §63.6(i).

ugh process modifications, or a combination of process modifications and one or moreuirements specified in §63.771(e) .

P emissions are reduced by 95% or more.

ene emissions are reduced to < 0.90 MG/yr.

to a level less than the limit calculated in the first equation, above.

o a level less than the limit calculated in the second equation, above.

through a closed-vent system that meets the requirements of §63.771(c) .



tightening of bonnet bolts.

replacement of bonnet bolts.

tightening of packing gland nuts.

injection of lubricant into lubricatedpacking.

through a closed-vent system that meetsthe requirements of §63.771(c) .

devices that vent directly to the atmosphere may be used on the storage vessel and air

to a control device that meets any of the conditions specified in §63.771(d) .

to a process natural gas line.

through a closed-vent system that meets the requirements of §63.771(c) , and reducesthe control device(s) outlet benzene emissions to < 0.90 Mg/yr.

rom the Administrator to use an alternative means of emission limitation that achieves a

t least equivalent to that achieved by the control required in this subpart.

ng facility that is monitored only by non-facility personnel, it may be monitored after apersonnel are on site, instead of within 5 days. Such a device shall not be allowed to

than 30 days after a pressure release without monitoring.

ed, unless a delay in repair is granted under 40 CFR 61.242-10.

k is detected.

.

eld gas are exempt form the routine monitoring requirements.

rom the routine monitoring requirements.

xempt form the routine monitoring requirements of 40 CFR 61.242-2(a)(1).

tine monitoring requirements of 40 CFR 242-2(a)(1).

.

dar days after it is detected, unless a delayrst attempt at repair must be made within 5but are not limited to:

exempt form the routine monitoring requirements of 40 CFR 61.242-7(a).

utine monitoring requirements 40 CFR 61.242-7(a).

s measured.



connecting the process vent to a controldevice or combination of control devices

designed and operated in accordance with§63.771(f)

through a closed vent system designed andoperated in accordance with §63.771(c) .

performing process modifications in accordance with §63.771(e) .

using a combination of process modifications and one or more control devices asspecified above.

demonstrating the emissions limit is met through actual uncontrolled operation of theunit. The operational parameters must be documented in accordance with §63.771(e)

and emissions must be documented in accordance with §63.772(b)(2).

s part. Those subject to and controlled under 40 CFR 60 Subpart OOOO shall submit the

ar year.

s the inlet water content (lb/MMSCF), and O is the outlet water content (lb/MMSCF).

TEG dehydration unit must be operated using the alternate circulation rate and submitwith the intitial notification in accordance with 73.775(c)(7).

a modification to the optimum glycol circulation rate is required, the owner or operator

ugh (v)

% by weight as specified in 63.772(a).

cm/day as determined in 63.772(b)(1) or

e less than 0.90 Mg/yr as determined by 63.772(b)(2)

part. Those subject to and controlled under 40 CFR 60 Subpart OOOO shall submit the



Cover requirements.

Each cover opening shall be secured in a closed, sealed position (e.g., covered by a gaskinstalled except during those times when it is neces

The cover and all openings on the



to vent liquids, gases, or fumes froin accordance with the

to add material to, or remove mate

eted lid or cap) whenever material is in the unit on which the cover issary to use an opening as follows:

cover (i.e., access hatches, sampling ports, and guage wells) shall be designed to form a continuous barrier



to a control device designed and orequirements of

the unit through a closed-vent systemrequirements of §63.771(c)

to inspect, maintain, repair, or replace equipment located inside the unit.

to inspect or sample the material in the unit.

rial from the unit (this includes openings necessary to equalize or balance the intchanges in the level of the material in the unit).

ver the entire suface area of the liquid in the storage vessel.



erated in accordance with the≥63.771(d).

ernal pressure of the unit following



Exemptions:

Closed-vent system requirements.

if it contains one or more bypass devices that could be used to divertall or a portion of the gases, vapors, or fumes from entering the

control device, the owner or operator shall,

The closed-ventsystem shall:



Low leg drains, high point bleeds, analyzer vents, open-ended valves or lines, and safety devices are not sub

properly install, calibrate, maintain, and operate a flow indicator that ibeing, or could b

secure the bypass device valve installed at the inlet to t

route all gases, vapors, and fumes emitted from the material in an emissions unit to a control device tha

shall be designed and operated with no detectable emissions.

for each bypass device,



ject to the requirements for bypass devices.

s capable of taking periodic readings and sounding an alarm when the bypass deve, diverted away from the control device to the atmosphere.

he bypass device in the non-diverting position using a car-seal or a lock-and-key t

t meets the requirements of §63.771(d) .



ice is open such that the stream is

ype configuration.



a vapor recovery device (e.g., carbonadsorption system or condenser) or other

non-destructive control device that isdesigned and operated:

Control device requirements for sources except small glycol dehydration units (small glycol dehydrati

A control deviceused to reduce

HAP emissionsshall be one ofthe following

types:

an enclosed combustion device (e.g.,thermal vapor incinerator, catalytic vaporincinerator, boiler, or process heater) that

is designed and operated:the vent stream is introduced i

to reduce the mass

For carbonadsorption

systems used asa control device,

the owner oroperator shall

manage thecarbon asfollows:

Following initial startup of the control device, all carbon in the devc

a flare that is desi

The spent carbon removed from the carbonadsorption system shall be either

regenerated, reactivated or burned in oneof the following units:

Regen

Regenerated or rea

to reduce the mass

to reduce the concentr

operates at a minimum temp

http://www.portal.state.pa.us/portal/server.pt/community/dep_external_redirect/9131?externalurl=http://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&SID=99da17e6537d4fff99a8d8c7a5f11510&rgn=div6&view=text&node=40:27.0.1.1.5.20&idno=40

















on units must comply with the requirements of §63.771(f) ).

nto the flame zone of the boiler or process heater if the boiler or process heater i

content of either TOC or total HAP in the gases vented to the device by 95% by

ie shall be replaced with fresh carbon on a regular, predetermined time interval t

gned and operated in accordance with §63.11(b).

rated or reactivated in a thermal treatment unit for which the owner or operato

Regenerated or reactivated in a thermal treatment unit eq

ctivated in a thermal treatment unit equipped with and operating organic air emi

Burned in a hazardous waste incinerator for which the owner or operator has be

Burned in a hazardous waste incinerator for which the owner or ope

Burned in a boiler or industrial furnace for which the owner or operator has be

Burned in a boiler or industrial furnace for which the owner or operator has d

content of either TOC or total HAP in the gases vented to the device by 95% by

tion of either TOC or total HAP in the exhaust gaes at the outlet to the device ≤

rature of 760 °C, provided that the combustion zone temperature is an indicator



is used as a control device

eight or more

hat is no longer than the carbon service life established for the carbon adsorption system. See §63.771(5)(i

Each control device shall be operatiand fumes are vented from the H

closed-vent system to the controlone unit vented to it, monitored i

demonstrate compliance in accoappli

and demonstrate the control

device achieves the performancerequirements as specified in

§63.772(e).

r has been issued a final permit under 40 CFR 270 that implements the requirements of 40 CFR 264 Subpart

uipped with and operating air emission controls in accordance with this section.

ission controls in accordance with a national emissions standard for HAP under another Subpart in 40 CFR 6

en issued a final permit under 40 CFR 270 that implements the requirements of 40 CFR 264 Subpart O.

ator designed and operates in accordance with the requirements of 40 CFR 265 Subpart O.

n issued a final permit under 40 CFR 270 that implements the requirements of 40 CFR 266 Subpart H.

esigned and operates in accordance with the interim status requirements of 40 CFR 266 Subpart H.

eight or more

0 ppmdv @ 3% O 2

of destruction efficiency



) for more details.

ng at all times when gases, vapors,AP emissions unit(s) through the

device which may have more thanaccordance with §63.774(d), and

rdance with §§63.772(f) or (g) asable.

X.

or 40 CFR 63.



document, to the Administrator's satisfaction, the conditions for wthrough process modifications or through a combination of process m

achieve an overall HAP emission reductin of 95% for the glycol deh

allowed. Chan

that achieves a 95% HAP emission reduction or meets the BTE

Process modification requirements.

that achieves a 95% HAP emission reduction or meets the BTEX limitdevices shall maintain records, as required in §63.774(b)(11), tha

The owner oroperator shall:



determine glycol deydration unit baseline operations and keep records as required un

ich glycol dehydration unit baseline operations shall be modified to achieve the 95% overall HAP emissiondifications and one or more control devices. If a combination of process modifications and one or more codration unit process vent or, if applicable, the BTEX limit determined from the equation for a small glycol d

es in the inlet gas characteristics or natural gas throughput rate shall not be considered in determining the

X limit for small glycol dehydration units using process modifications alone shall maintain records, as requir

for small glycol dehydration units using process modifications in combination with one or more controlthe facility continues to operate in accordance with the conditions specified, and the control device

requirements of



§63.771(d) for large glycoldehydrators and

§63.771(f) for small glycoldehydrators,

er §63.774(b)(10).

eduction, or the BTEX limit determined by the applicable equation for small glycol dehydration units, eithertrol devices are used, they shall also establish the emission reduction to tbe achieved by the control device tohydration unit process vent. Only modifications in glycol circulation rate or glycol-HAP absorbency shall be

verall emission reduction due to process modifications.

d in §63.774(b)(11), that the facility continues to operate in accordance with the conditions specified.

except that the emission reduction or limit achieved shall be the emissionreduction or limit specified for the control device(s).



a vapor recovery device (e.g., carbonadsorption system or condenser) or other

non-destructive control device that isdesigned and operated:

Control device requirements for small glycol dehydration units.

A control deviceused to meetthe calculated

BTEX emissionslimit shall be

one of thefollowing types:

an enclosed combustion device (e.g.,thermal vapor incinerator, catalytic vaporincinerator, boiler, or process heater) that

is designed and operated:

to reduce the m

to reduce the concentr

to reduce the m

a flare that is desi

For carbonadsorption

systems used as

a control device,the owner oroperator shall

manage thecarbon asfollows:

Following initial startup of the control device, all carbon in the devc

The spent carbon removed from the carbonadsorption system shall be either

regenerated, reactivated or burned in oneof the following units:

Regen

Regenerated or rea




http://www.portal.state.pa.us/portal/server.pt/community/dep_external_redirehttp:/www.ahs2.dep.state.pa.us/Redirector/?varURL=http://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&SID=99da17e6537d4fff99a8d8c7a5f11510&rgn=div6&view=text&node=40:27.0.1.1.6.15&idno=40

http://www.portal.state.pa.us/portal/server.pt/community/dep_external_redirehttp:/www.ahs2.dep.state.pa.us/Redirector/?varURL=http://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&SID=99da17e6537d4fff99a8d8c7a5f11510&rgn=div6&view=text&node=40:27.0.1.1.6.15&idno=40









ss content of BTEX in the gases vented to the device as determined by the perfo

tion of either TOC or total HAP in the exhaust gaes at the outlet to the device ≤

ss content of BTEX in the gases vented to the device as determined by the perfo

Burned in a boiler or industrial furnace for which the owner or operator has d

gned and operated in accordance with §63.11(b).

ie shall be replaced with fresh carbon on a regular, predetermined time interval t

rated or reactivated in a thermal treatment unit for which the owner or operato

Regenerated or reactivated in a thermal treatment unit eq

ctivated in a thermal treatment unit equipped with and operating organic air emi

Burned in a hazardous waste incinerator for which the owner or operator has be

Burned in a hazardous waste incinerator for which the owner or ope

Burned in a boiler or industrial furnace for which the owner or operator has be



rmance test

and demonstrate the control

device achieves the performancerequirements as specified in

§63.772(e).

Each control device shall be operati

than one unit vented to it, monitoand demonstrate compliance in ac

appli

0 ppmdv @ 3% O 2

rmance test

esigned and operates in accordance with the interim status requirements of 40 CFR 266 Subpart H.

hat is no longer than the carbon service life established for the carbon adsorption system. See §63.771(5)(i

r has been issued a final permit under 40 CFR 270 that implements the requirements of 40 CFR 264 Subpart

uipped with and operating air emission controls in accordance with this section.

ission controls in accordance with a national emissions standard for HAP under another Subpart in 40 CFR 6

en issued a final permit under 40 CFR 270 that implements the requirements of 40 CFR 264 Subpart O.

ator designed and operates in accordance with the requirements of 40 CFR 265 Subpart O.

n issued a final permit under 40 CFR 270 that implements the requirements of 40 CFR 266 Subpart H.



ing at all times and may have more

ed in accordance with §63.773(d),ordance with §§63.772(f) or (h) asable.

) for more details.

X.

or 40 CFR 63.



Operations representative of the large glycol dehydration unit operations as of June 17, 1999 and the srepresent actual long-term conditions. Those units in operation for less than 1 year shall document tha

The parameter values include, but are not limited to, glycol circulation rate and glycol-HAP absorbency.



all glycol dehydrator unit operations as of August 23, 2011. To determine the percentage of overall Ht the parameter values represent expected long-term operating conditions had process modifications n



P emission reduction attributable to process modifications, baseline operations shall be parameter valt been made.



es that



A hydrocarbon (petroleum) liquid with an initial producing gas-to-oil ratio (GOR) < 0.31 m 3/L and an API



gravity < 40 degrees.







Flares, as defined in this subpart, are thermal oxidation systems using an open flame (i.e., without encl



sure).



The owner or operator shall determine the maximum values for other parameters used to calculate emissibe based on either the highest measured values or the annual average. For estimating maximum potential

Other means to determine the facility's major source status a

A

Do not aggregate the emissions from any oil or gas exploratio

Do not aggregate the emissions fro

For production field facili

For facilities that are not

Aggregation:

In cases where a decline in annual throughput each year for the 5 yeliquids or natural

In all other circumstances, the owner or operator shall calculate the m

The owner or operator shall maintain records of the annual facilitythroughput cal

As an alternat

Estimate the emissions using themaximum throughput of

hydrocarbon liquid or natural gas,as appropriate:



ns as maximum for the period over which the maximum hydrocarbon liquid or natural gas throughput deteemissions from glycol dehydration units, the glycol circulation rate used in the calculation shall be the unit's

the definition of potential to emit in §63.2.

e allowed, provided the information is documented and recorded to the Administrator's satisfaction in acco

ny facility that is not determined to be a major source is an area source.

or production well and its associated equipment and pipeline compressor stations or pump stations even

processes, operations, or equipment that are not part of the same facility (i.e., not located within the bou

ties (i.e., prior to the point of custody transfer), only HAP emissions from glycol dehydrators and storage ve

production field facilities (i.e., prior to the point of custody transfer), all HAP emissions from HAP emission u

To determine a facility's HAP emission source status:

rs prior to October 15, 2012, and this has been documented to the Administrator's satisfaction, the ownergas, as appropriate, as the average annual throughput for the 3 years prior to October 15, 2012, multiplied

ximum throughput of hydrocarbon liquids or natural gas, as appropriate, using the highest annual throughp1.2.

hydrocarbon liquid or natural gas throughput each year and, upon request, submit the records to the Admiculated, the maximum throughput must be recalculated by multiplying the higher throughput multiplied by

ive to calculating the maximum throughput, the facility's design maximum throughput can be used to estim



rmined above. Parameters, other than the glycol circulation rate, shallmaximum rate under its physical and operation design, consistent with

rdance with §63.10(b)(3).

hen they are in a contiguous area or under common control.

daries of an individual surface site).

sels shall be aggregated.

nits shall be aggregated.

r operator shall calculate the maximum throughput of hydrocarbony a factor of 1.2.

ut over the 5 years prior to October 15, 2012, multiplied by a factor of

nistrator. If the annual throughput increases above the maximuma factor of 1.2.

te emissions.



No detectable emissions means no escape of HAP from a device or system to the atmosp



ere as determined by instrument monitoring results performed in accordance with §63.772(c) with a readigaps.



g < 500 ppmv and the absence of visible openings or defects in the device or system, such as rips, tears, or



Custody transfer means the transfer of hydrocarbon liquids or natural gas after processing and/or treathydrocarbon liquids or natural gas enters a natural gas processing plant is a point of custody transfer.



ment in the producing operations, or from storage vessels, automatic transfer facilities, or other such e





en



For facilities that include a natural gas processing plant, the point the gas enters the transmission and st



orage segment is right after the processing plant. For facilities that do not include a natural gas proces



ing plant, the gas enters the transmission and storage segment at the point of custody transfer.





A county that contains a part of a Metropolitan Statistical Area with a population greater than 250,000,



based on the Office of Management and Budget's Standards for defining Metropolitan and Micropolita



Statistical Areas (Dec 27, 2000) and Census 2000 Data.





UA plus offset is the area occupied by each urbanized area , which is defined as a densely settled territ

UC is the area occupied by each urbanized cluster that contains at least 10,000 people.



ry with a population of at least 50,000 people, plus the area within two miles or less from the urbanize



area boundary.



Documents

Summary of 40 CFR 63 HH