HomeMy WebLinkAbout20151152.tiff ,A COPHE COLORADO
co Department of Public
• Health&Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
Weld County - Clerk to the Board
1150O St
PO Box 758
Greeley, CO 80632
April 14, 2015
Dear Sir or Madam:
On April 15, 2015, the Air Pollution Control Division will begin a 30-day public notice period for
Carrizo Oil Et Gas Inc. - Bringelson 34B Multi-pad. A copy of this public notice and the public
comment packet are enclosed.
Thank you for assisting the Division by posting a copy of this public comment packet in your office.
Public copies of these documents are required by Colorado Air Quality Control Commission
regulations. The packet must be available for public inspection for a period of thirty (30) days from
the beginning of the public notice period. Please send any comment regarding this public notice to
the address below.
Colorado Dept. of Public Health Et Environment
APCD-SS-B1
4300 Cherry Creek Drive South
Denver, Colorado 80246-1530
Attention: Clara Gonzales
Regards,
RECEIVE:.
APR 2 1 20:5
Clara Gonzales WELD
Public Notice Coordinator ;�*�°
Stationary Sources Program
Air Pollution Control Division
Enclosure
2015-1152
4-a7-/5 CC:--P4. ; -pW, `1/,2A
4300 Cherry Creek Drive S.. Denver, CO 80246-1530 P 303.692-2000 www.colorado.govicdphe - c
John W. Hickenlooper, Governor Larry Wolk, MD,MSPH,Executive Director and Chief Medical Officer
CDPHE Air Pollution Control Division
Co y Notice of a Proposed Project or Activity Warranting Public
Comment
Website Title: Carrizo Oil Et Gas Inc. - Bringelson 34B Multi-pad - Weld County
Notice Period Begins: April 15, 2015
Notice is hereby given that an application for a proposed project or activity has been submitted to the
Colorado Air Pollution Control Division for the following source of air pollution:
Applicant: Carrizo Oil Et Gas Inc.
Facility: Bringelson 34B Multi-pad
Oil and Gas Exploration and Production Facility
NWNW SEC 34 T9N R58W
Weld County
The proposed project or activity is as follows: Applicant proposes to permit the flaring of produced gas at
an exploration and production facility
The Division has determined that this permitting action is subject to public comment per Colorado
Regulation No. 3, Part B, Section III.C due to the following reason(s):
• permitted emissions exceed public notice threshold values in Regulation No. 3, Part B, Section
III.C.1.a (25 tpy in a non-attainment area and/or 50 tpy in an attainment area)
• the source is requesting a federally enforceable limit on the potential to emit in order to avoid other
requirements
The Division has made a preliminary determination of approval of the application.
A copy of the application, the Division's analysis, and a draft of Construction Permit 15WE0081 have been
filed with the Weld County Clerk's office. A copy of the draft permit and the Division's analysis are
available on the Division's website at https://www.colorado.gov/pacific/cdphe/air-permit-public-notices
The Division hereby solicits submission of public comment from any interested person concerning the ability
of the proposed project or activity to comply with the applicable standards and regulations of the
Commission. The Division will receive and consider written public comments for thirty calendar days after
the date of this Notice. Any such comment must be submitted in writing to the following addressee:
Christopher Kester
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B1
Denver, Colorado 80246-1530
cdphe.commentsapcd@state.co.us
COLORADO
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a'CoLORADO DEPARTMEPIT OF PUBLIC HEALTH AND ENVIRONMENT e
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AIR POLLUTION CONTROL DIVISION : °li
TELEPHONE: (303) 692-3150 '«\ .�
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CONSTRUCTION PERMIT
PERMIT NO: 14WE0081
Issuance 1
DATE ISSUED:
ISSUED TO: Carrizo Oil & Gas, Inc.
THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS:
Oil and gas exploration and production facility known as the Bringelson 34B Multi-Pad,
located in the NWNW SEC 34 T9N R58W, Weld County, Colorado.
THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING:
Facility AIRS
Equipment Point Description
ID
One low-pressure separator controlled by one open flare when
SEPARATOR 006 gas cannot be routed to the sales gas pipeline. The flare has a
minimum destruction efficiency of 95%.
THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO
AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND
CONTROL ACT C.R.S. (25-7-101 et sect), TO THOSE GENERAL TERMS AND CONDITIONS
INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS:
REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION
1. YOU MUST notify the Air Pollution Control Division (the Division) no later than
fifteen days after issuance of this permit, by submitting a Notice of Startup form to
the Division. The Notice of Startup form may be downloaded online at
www.cdphe.state.co.us/ap/downloadforms.html. Failure to notify the Division of startup
of the permitted source is a violation of Air Quality Control Commission (AQCC)
Regulation No. 3, Part B, Section III.G.1 and can result in the revocation of the permit.
2. Within one hundred and eighty days (180) after issuance of this permit, compliance with
the conditions contained in this permit shall be demonstrated to the Division. It is the
owner or operator's responsibility to self-certify compliance with the conditions. Failure to
demonstrate compliance within 180 days may result in revocation of the permit.
(Reference: Regulation No. 3, Part B, III.G.2).
3. This permit shall expire if the owner or operator of the source for which this permit was
issued: (i) does not commence construction/modification or operation of this source
within 18 months after either, the date of issuance of this construction permit or the date
on which such construction or activity was scheduled to commence as set forth in the
AIRS ID: 123/9D7D Page 1 of 8
olor Depa en P •li 'Health and Environment
•it Pollution Control Division
permit applic-, a w ` • pe riscon - = . construction for a period
of eighteen months or more; (iii) does not complete construction within a reasonable
time of the estimated completion date. The Division may grant extensions of the
deadline per Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B,
III.F.4.)
4. The operator shall retain the permit final authorization letter issued by the Division, after
completion of self-certification, with the most current construction permit. This
construction permit alone does not provide final authority for the operation of this source.
5. Within ninety (90) days after issuance of this permit, the operator shall install a flow
meter to monitor and record volumetric flow rate of natural gas vented from the
separator. The operator shall used the gas flow rate listed in the application for actual
flow rate until the flow meter is installed, not to exceed ninety (90) days after issuance of
this permit.
EMISSION LIMITATIONS AND RECORDS
6. Emissions of air pollutants shall not exceed the following limitations (as calculated in the
Division's preliminary analysis). (Reference: Regulation No. 3, Part B, Section II.A.4)
Annual Limits:
Facility AIRS Tons per Year
Equipment ID Point NO VOC CO Emission Type
SEPARATOR 006 3.2 39.7 17.2 Point
See "Notes to Permit Holder"for information on emission factors and methods used to calculate
limits.
Facility-wide emissions of each individual hazardous air pollutant shall be less than 8.0
tpy.
Facility-wide emissions of total hazardous air pollutants shall be less than 20.0 tpy.
Compliance with the annual limits shall be determined by recording the facility's annual
criteria pollutant emissions, (including all HAPs above the de-minimis reporting level)
from each emission unit, on a rolling twelve (12) month total. By the end of each month
a new twelve-month total shall be calculated based on the previous twelve months' data.
The permit holder shall calculate emissions each month and keep a compliance record
on site or at a local field office with site responsibility, for Division review. This rolling
twelve-month total shall apply to all permitted emission units, requiring an APEN, at this
facility.
7. The emission points in the table below shall be operated and maintained with the control
equipment as listed in order to reduce emissions to less than or equal to the limits
established in this permit (Reference: Regulation No.3, Part B, Section III.E.)
Facility AIRS Control Device Pollutants
Equipment ID Point Controlled
SEPARATOR 006 Open Flare VOC
AIRS ID: 123/9D7D Page 2 of 8
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PROCESS LIMITATIoNs ANDJRECORQS psam
8. This source shall be limited to the following maximum processing rates as listed below.
Monthly records of the actual processing rates shall be maintained by the owner or
operator and made available to the Division for inspection upon request. (Reference:
Regulation 3, Part B, II.A.4)
Process/Consumption Limits
Facility AIRS Process Parameter Annual Limit
Equipment ID Point
SEPARATOR 006 Gas Volume Vented from Separator 66.1 MMscf/yr
Compliance with the annual throughput limits shall be determined on a rolling twelve (12)
month total. By the end of each month a new twelve-month total is calculated based on
the previous twelve months' data. The permit holder shall calculate throughput each
month and keep a compliance record on site or at a local field office with site
responsibility, for Division review.
9. The operator shall continuously monitor and record the volumetric flowrate of natural gas
vented from the separator using a flow meter. The flow meter shall continuously
measure flowrate and record total volumetric flow vented from the separators. The
operator shall use monthly throughput records to demonstrate compliance with the
process limits and to calculate emissions as described in this permit.
STATE AND FEDERAL REGULATORY REQUIREMENTS
10. The permit number and AIRS ID point number (e.g. 123/4567/890) shall be marked on
the subject equipment for ease of identification. (Reference: Regulation Number 3, Part
B, III.E.) (State only enforceable)
11. Visible emissions shall not exceed twenty percent (20%) opacity during normal operation
of the source. During periods of startup, process modification, or adjustment of control
equipment visible emissions shall not exceed 30% opacity for more than six minutes in
any sixty consecutive minutes. Emission control devices subject to Regulation 7,
Sections XII.C.1.d or XVII.B.2.b shall have no visible emissions. (Reference: Regulation
No. 1, Section II.A.1. & 5.)
12. This source is subject to the odor requirements of Regulation No. 2. (State only
enforceable)
13. The separator covered by this permit is subject to Regulation 7, Section XVII.G. (State
Only). On or after August 1, 2014, gas coming off a separator, produced during normal
operation from any newly constructed, hydraulically fractured, or recompleted oil and gas
well, must either be routed to a gas gathering line or controlled from the date of first
production by air pollution control equipment that achieves an average hydrocarbon
control efficiency of 95%. If a combustion device is used, it must have a design
destruction efficiency of at least 98% for hydrocarbons.
14. The open flare covered by this permit has been approved as an alternative emissions
control device under Regulation No. 7, Section XVII.B.2.e. The open flare shall have no
visible emissions during normal operations and be designed so that an observer can, by
means of visual observation from the outside of the open flare, or by other convenient
means approved by the Division, determine whether it is operating properly. The
AIRS ID: 123/9D7D Page 3 of 8
es II
' olor Depa en + . .Ii Health and Environment
I it Pollution Control Division
operator shall , - _ °'wi r = a 's :a'de -nts o -tion XVII. This flare must
be equipped with an operational auto-igniter according to the following schedule:
o If installed on/after May 1, 2014, upon installation of the combustion device;
o If installed before May 1, 2014, by or before May 1, 2016, or after the next
combustion device planned shutdown, whichever comes first.
OPERATING & MAINTENANCE REQUIREMENTS
15. Upon startup of these points, the owner or operator shall follow the most recent
operating and maintenance (O&M) plan and record keeping format approved by the
Division, in order to demonstrate compliance on an ongoing basis with the requirements
of this permit. Revisions to your O&M plan are subject to Division approval prior to
implementation. (Reference: Regulation No. 3, Part B, Section III.G.7.)
COMPLIANCE TESTING AND SAMPLING
Initial Testing Requirements
16. The owner or operator shall demonstrate compliance with opacity standards, using EPA
Method 22 to determine the presence or absence of visible emissions. "Visible
Emissions" means observations of smoke for any period or periods of duration greater
than or equal to one (1) minute in any fifteen (15) minute period during normal operation.
(Reference: Regulation No. 7, Section XVII.A.II)
Periodic Testing Requirements
17. On a monthly basis, the owner or operator shall demonstrate compliance with opacity
standards, using EPA Method 22 to determine the presence or absence of visible
emissions. "Visible Emissions" means observations of smoke for any period or periods of
duration greater than or equal to one (1) minute in any fifteen (15) minute period during
normal operation. (Reference: Regulation No. 7, Section XVII.A.II)
18. On an annual basis, the operator shall complete a site specific extended gas analysis of
the natural gas produced at this site that is routed to the flare in order to verify the VOC
and hazardous air pollutants (HAP) content (weight fraction) of this emission stream
used in the permit application. Results of testing shall be used to determine site-specific
emission factors using Division approved methods.
ADDITIONAL REQUIREMENTS
19. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation
No. 3, Part A, II.C)
a. Annually by April 30th whenever a significant increase in emissions occurs as
follows:
For any criteria pollutant:
For sources emitting less than 100 tons per year, a change in actual emissions
of five (5) tons per year or more, above the level reported on the last APEN; or
For volatile organic compounds (VOC) and nitrogen oxides sources (NOx) in
ozone nonattainment areas emitting less than 100 tons of V0C or N0x per
year, a change in annual actual emissions of one (1) ton per year or more or five
percent, whichever is greater, above the level reported on the last APEN; or
AIRS ID: 123/9D7D Page 4 of 8
. -§ 1-14
s .rs
oloraaa .Deparnen, of P ' lic'Health and Environment
• . .." 'Kir Pollution Control Division
fI ilig VA Mil FS:
For sources emitti .i00iii e4 pe tor,more change in actual emissions
of five percent or 50 tons per year or more, whichever is less, above the level
reported on the last APEN submitted; or
For any non-criteria reportable pollutant: •
If the emissions increase by 50% or five (5) tons per year, whichever is less,
above the level reported on the last APEN submitted to the Division.
b. Whenever there is a change in the owner or operator of any facility, process, or
activity; or
c. Whenever new control equipment is installed, or whenever a different type of
control equipment replaces an existing type of control equipment; or
d. Whenever a permit limitation must be modified; or
e. No later than 30 days before the existing APEN expires.
20. Federal regulatory program requirements (i.e. PSD, NANSR or Title V Operating Permit)
shall apply to this source at any such time that this source becomes major solely by
virtue of a relaxation in any permit condition. Any relaxation that increases the potential
to emit above the applicable Federal program threshold will require a full review of the
source as though construction had not yet commenced on the source. The source shall
not exceed the Federal program threshold until a permit is granted. (Regulation No. 3
Part D).
GENERAL TERMS AND CONDITIONS
21. This permit and any attachments must be retained and made available for inspection
upon request. The permit may be reissued to a new owner by the APCD as provided in
AQCC Regulation No. 3, Part B, Section II.B upon a request for transfer of ownership
and the submittal of a revised APEN and the required fee.
22. If this permit specifically states that final authorization has been granted, then the
remainder of this condition is not applicable. Otherwise, the issuance of this construction
permit does not provide "final" authority for this activity or operation of this source. Final
authorization of the permit must be secured from the APCD in writing in accordance with
the provisions of 25-7-114.5(12)(a) C.R.S. and AQCC Regulation No. 3, Part B, Section
III.G. Final authorization cannot be granted until the operation or activity commences
and has been verified by the APCD as conforming in all respects with the conditions of
the permit. Once self-certification of all points has been reviewed and approved by the
Division, it will provide written documentation of such final authorization. Details for
obtaining final authorization to operate are located in the Requirements to Self-
Certify for Final Authorization section of this permit.
23. This permit is issued in reliance upon the accuracy and completeness of information
supplied by the owner or operator and is conditioned upon conduct of the activity, or
construction, installation and operation of the source, in accordance with this information
and with representations made by the owner or operator or owner or operator's agents.
It is valid only for the equipment and operations or activity specifically identified on the
permit.
24. Unless specifically stated otherwise, the general and specific conditions contained in this
permit have been determined by the APCD to be necessary to assure compliance with
the provisions of Section 25-7-114.5(7)(a), C.R.S.
AIRS ID: 123/9D7D Page 5 of 8
olor Depa en • P; ,•li ''Health and Environment
' A it Pollution Control Division
25. Each and ev7-� II
.. hi `. it r.• - ial pa =,-: eof and is not severable.
Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire
permit and upon such occurrence, this permit shall be deemed denied ab initio. This
permit may be revoked at any time prior to self-certification and final authorization by the
Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality
Control Act and regulations of the Air Quality Control Commission (AQCC), including
failure to meet any express term or condition of the permit. If the Division denies a
permit, conditions imposed upon a permit are contested by the owner or operator, or the
Division revokes a permit, the owner or operator of a source may request a hearing
before the AQCC for review of the Division's action.
26. Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution
Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and
administration. If a source or activity is to be discontinued, the owner must notify the
Division in writing requesting a cancellation of the permit. Upon notification, annual fee
billing will terminate.
27. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution
Prevention and Control Act or the regulations of the AQCC may result in administrative,
civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121
(injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S.
By: altivviie______
Christopher Kester
Permit Engineer
Permit History
Issuance Date Description
Issuance 1 This Issuance Issued to Carrizo Oil & Gas, Inc.
AIRS ID: 123/9D7D Page 6 of 8
e.,
,i r_rolora i r:Depar eni Jf P lic Health and Environment
fil F I t t li 7 fir Pollution Control Division
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Notes to Permit Holder'd'�'i'Yi2`f�me of'thrs�'pemw'ft'issuanteR�` �'" mati..1
1) The permit holder is required to pay fees for the processing time for this permit. An invoice for these
fees will be issued after the permit is issued. The permit holder shall pay the invoice within 30 days of
receipt of the invoice. Failure to pay the invoice will result in revocation of this permit (Reference:
Regulation No. 3, Part A, Section VI.B.)
2) The production or raw material processing limits and emission limits contained in this permit are
based on the consumption rates requested in the permit application. These limits may be revised
upon request of the owner or operator providing there is no exceedance of any specific emission
control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN)
and complete application form must be submitted with a request for a permit revision.
3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense
Provision for Excess Emissions During Malfunctions. The owner or operator shall notify the Division
of any malfunction condition which causes a violation of any emission limit or limits stated in this
permit as soon as possible, but no later than noon of the next working day, followed by written notice
to the Division addressing all of the criteria set forth in Part II.E.1 of the Common Provisions
Regulation. See: http://www.colorado.qov/cs/Satellite?c=Document C&childpagename=CDPHE-
Main%2FDocument C%2FCBONAddLinkView&cid=1251599389641&pagename=CBONWrapper
4) The following emissions of non-criteria reportable air pollutants are estimated based upon the process
limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis
of the specific compounds emitted if the source(s) operate at the permitted limitations.
Uncontrolled
Emission Are the Controlled
AIRS i Rate emissions Emission Rate
Point Pollutant CAS# (lb/yr) reportable? (Ib/yr)
006 Benzene 71432 3764 Yes 188
006 n-Hexane 110543 23876 Yes 1194
006 i Toluene 108883 2436 Yes 122
006 • Ethylbenzene 100414 363 Yes 18
006 Xylenes 1330207 611 Yes 31
5) The emission levels contained in this permit are based on the following emission factors:
Point 006:
Weight Emission
Fraction of Factors Source
Pollutant Gas (%) Uncontrolled
lb/MMscf
NOx 0.068 AP-42
(Ib/MMBTU)
CO 0.37 AP 42
(lb/MMBTU)
VOC 36.8 24004 Gas Analysis
Benzene 0.085 56.95 Gas Analysis
Toluene 0.055 36.85 Gas Analysis
Ethylbenzene 0.008 5.49 Gas Analysis
Xylenes 0.014 9.24 Gas Analysis
n-hexane 0.506 361.21 Gas Analysis
AIRS ID: 123/9D7D Page 7 of 8
olor Depa en li Health and Environment
it Pollution Control Division
6) In accordance with C.R.S. 25-7-114.1, each Air Pollutant Emission Notice (APEN)associated with
this permit is valid for a term of five years from the date it was received by the Division. A revised
APEN shall be submitted no later than 30 days before the five-year term expires. Please refer to the
most recent annual fee invoice to determine the APEN expiration date for each emissions point
associated with this permit. For any questions regarding a specific expiration date call the Division at
(303)-692-3150.
7) This facility is classified as follows:
Applicable Status
Requirement
Operating Permit Synthetic Minor/Major Source of:
VOC and HAP
PSD or NANSR Synthetic Minor/Major Source of:
VOC and HAP
8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be
found at the website listed below:
http://ecfr.q poaccess.q ov/
Part 60: Standards of Performance for New Stationary Sources
NSPS 60.1-End SubpartA—Subpart KKKK
NSPS Part 60,Appendixes Appendix A—Appendix I
Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories
MACT 63.1-63.599 Subpart A—Subpart Z
MACT 63.600-63.1199 Subpart AA—Subpart DDD
MACT 63.1200-63.1439 Subpart EEE—Subpart PPP
MACT 63.1440-63.6175 Subpart QQQ—Subpart YYYY
MACT 63.6580-63.8830 Subpart ZZZZ—Subpart MMMMM
MACT 63.8980-End Subpart NNNNN—Subpart XXXXXX
9) A self certification form and guidance on how to self-certify compliance as required by this permit may
be obtained online at: http://www.colorado.gov/pacific/cdphe/air-permit-self-certification
AIRS ID: 123/9D7D Page 8 of 8
Division Information
Engineer: Christopher Koster
Control Engineer: Stefanie Rucker
Review Date: 03/26/2015
Application Date: 12/15/2015
Facility Identifiers
Permit No. 15WE0081 Potentially located in ozone nonattainment area
AIRS County# 123 Weld
Facility# 9D7o
Facility Type: exploration and production facility
❑� Located in the 8-hour non-attainment area? O True Minor
0 Synthetic Minor for: (Cr' VOC (u NOx P CO
Administrative Information
Company Name: Carrizo Oil & Gas, Inc.
Source Name: Bringelson 34B Multi-Pad
Source Location: NWNW SEC 34 T9N R58W
SIC: 1311
Address 1: Carrizo Oil&Gas, Inc.
Mailing Address 2: 500 Dallas, Suite 2300
Address
City,State Zip: Houston,TX
Name: Patricia Moden
Person To Phone: 713-328-1036
Contact Fax:
Email: Patricia.Moden@crzo.net
'Requested Action
Self Certification Required? Yes
Issuance Number: 1
Source Description:
Oil and gas exploration and production facility known as the Bringelson 348 Multi-Pad, located in the NWNW SEC 34
T9N R58W,Weld County, Colorado.
Point Name Type Control Action
Newly
006 SEPARATOR Separator Venting Flare reported
source
One low-pressure separator controlled by one emergency open flare when the gas cannot be gathered via
006 pipeline.Flare has a minimum control efficiency of 95%.
Equipment Description
This source vents natural gas from: a well head separator
Emissions from this source are: routed to a flare
Natural gas venting from a well head separator.Emissions from this source are routed to a flare.
Calculations
Emission Calculation Method
EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3)
Ex=O'MW'Xx/C
Ex=emissions of pollutant x
o=Volumetric flow rate/volume of gas processed
MW=Molecular weight of gas=SG of gas'MW of air
Xx=mass fraction of x in gas
C=molar volume of ideal gas(379 scf/lb-mol)at 60F and 1 atm
Throughput(0) 66.1 MMscf/yr 7545.6621 scf/hr
MW 24.741b/Ib-mol 0.18109589 MMscf/d
mole% MW Ibx/Ibmol mass fraction lb/hr lb/yr tpy
Helium 0.0100 4.0026 0.00040 0.00002 0.01 69.81 0.03
CO2 2.4100 44.01 106064 0.04287 21.12 184982.51 92.49
N2 1.0700 28.013 0.29974 0.01212 5.97 52276.40 26.14
methane 67.9368 16.041 10.89774 0.44049 216.97 1900635.23 950.32
ethane 11.2568 30.063 3.38413 0.13679 67.38 590214.01 295.11
propane 10.0996 44.092 4.45312 0.18000 88.66 776651.57 388.33
isobutane 1.0653 58.118 0.61913 0.02503 12.33 107980.38 53.99
n-butane 3.7118 58.118 2.15722 0.08720 42.95 376233.51 188.12
isopentane 0.7173 72.114 0.51727 0.02091 10.30 90215.81 45.11
n-pentane 0.9804 72.114 0.70701 0.02858 14.08 123306.26 61.65
cyclopentane 0.0697 70.13 0.04888 0.00198 0.97 8525.09 4.26
n-Hexane 0.1452 86.18 0.12513 0.00506 2.49 21824.05 10.91
cyclohexane 0.0311 84.16 0.02617 0.00106 0.52 4564.87 2.28
Other hexanes 0.2777 86.18 0.23932 0.00967 4.76 41739.25 20.87
heptanes 0.0905 100.21 0.09069 0.00367 1.81 15816.92 7.91
methylcyclohexane 0.0209 98.19 0.02052 0.00083 0.41 3579.12 1.79
224-TMP 0.0009 114.23 0.00103 0.00004 0.02 179.30 0.09
Benzene 0.0268 78.12 0.02094 0.00085 0.42 3651.40 1.83
Toluene 0.0147 92.15 0.01355 0.00055 0.27 2362.52 1.18
Ethylbenzene 0.0019 106.17 0.00202 0.00008 0.04 351.82 0.18
Xylenes 0.0032 106.17 0.00340 0.00014 0.07 592.54 0.30
08+Heavies 0.0594 87.45703704 0.05195 0.00210 1 03 9060.32 4.53
17.3164 VOC mass fray 0.368 Total VOC(Uncontrolled) 793.32
Notes
Mole%,MW,and mass fractions from One of Two Bringelson Ranch gas analyses collected 12/08/2014 with the worst case HAP values used
Emissions are based on 8760 hours of operation per year.
I calculated the average MW of C8+based on the average MW on the analysis for the gas.
15W E0081.CP1.xlsm
One low-pressure separator controlled by one emergency open flare when the gas cannot be gathered via
006 pipeline.Flare has a minimum control efficiency of 95%.
Flaring Information
Equipment Description
Flare to combust low-pressure separator gas during VRU downtime.
Gas Heating Value 1399 Btu/scf
Throughput 92473.9 MMBtu/yr
Overall Control 95.00%
Combustion emission factor source. AP-42.Chapter 13.5
0.07 I lb NOX/MMBtu 0.37 I lb CO/MMBtu
Emissions Summary Table
Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source
VOC 24004 lb/MMscf 1200.18 lb/MMscf 793.32 tpy 39.67 tpy Gas Analysis
Nox 0.068 lb/MMBTU 0.068 Ib/MMBTU 3.144 tpy 3.144 tpy AP-42
CO 0.370 Ib/MMBTU 0.370 Ib/MMBTU 17.108 tpy 17.108 tpy AP-42
Benzene 56.95 lb/MMscf 2.85 lb/MMscf 3764 lb/yr 188 lb/yr Gas Analysis
n-Hexane 361.21 lb/MMscf 18.0605 lb/MMscf 23876 lb/yr 1194 lb/yr Gas Analysis
Toluene 36.850lb/MMscf 1.8425 lb/MMscf 2436 lb/yr 122 lb/yr Gas Analysis
Xylenes 9.240 lb/MMscf 0.4620 lb/MMscf 611 lb/yr 31 lb/yr Gas Analysis
Ethylbenzene 54901b/MMsd 0.2745 lb/MMscf 363 lb/yr 18 lb/yr Gas Analysis
Regulatory Applicability
AOCC Regulation 1
This source is subject to the opacity requirements for flares in Section II A.5:'No owner or operator of a smokeless flare or other
flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in
excess of 30%opacity.'
AOCC Regulation 2
Section I.A applies to all emission sources."No person,wherever located shall cause or allow the emission of odorous air
contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits:
For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air
has been diluted with seven(7)or more volumes of odor free air."
AQCC Regulation 7
Was the well newly constructed,hydraulically fractured,or recompleted on or after August 1,2014E
no
This separator is not subject to Reg 7 Section XVII.G
15WE0081.C P 1.xlsm
AIRS(County/Plant)123/9070
Permit No.15WE0081
Date 3/26/2015
Controlled Controlled
Actual Requested NCRP=
Uncontrolled Emission Emissions Emissions Cm. reportable
Point It SCC Pollutant or CAS Factor Emisison Factor Source (Spy) (ipy)' PTE(tpy)' EM% ?
006 31000205 VOC 24003.551 lb/MMscT Gas Analysis 39.7 7933 95% Yes
006 31000205 NOx 0068 lb/MMBTU AP-42 3.1 3.1 0% Yes
006 31000205 CO 037 lb/MMBTU AP-42 17.1 17.1 0% Yes
006 31000205 Benzene 56.95 lb/MMscf Gas Analysis 188.2 37644 95% Yes
006 31000205 n-Hexane 361.21 Ib/MMSQ Gas Analysis 11938 23876 95% Yes
006 31000205 Toluene 36.85 lb/MMsct Gas Analysis 121.8 2435.8 95% Yes
006 31000205 Ethymenzene 5.49 lb/MMscf Gas Analysis 18.1 3629 95% Yes
006 31000205 Xylenes 9.24 lb/MMscf Gas Analysis 30.5 610.8 95% Yes
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