HomeMy WebLinkAbout20140410.tiff STATE OF COLORADO
John W.Hickenlooper,Governor
pF CO3O
Karin McGowan �w
Interim Executive Director yep- — a
Dedicated to protecting and improving the health and environment of the people of Colorado • �r 9 /
4300 Cherry Creek Dr.S. Laboratory Services Division r rsys s
Denver,Colorado 80246-1530 8100 Lowry Blvd.
Phone(303)692-2000 Denver,Colorado 80230-6928 Colorado Department
Located in Glendale,Colorado (303)692-3090 of Public Health
http://www.cdphe.state.co.us and Environment
Weld County Clerk&Recorder
1402 N 17th Ave RECEIVED
Greeley, CO 80631
February 3,2014 FEB0 7 2014
WELD COUNTY
COMMISSIONERS
Dear Sir or Madam:
On February 6,2014,the Air Pollution Control Division will publish a public notice for Carrizo Oil and Gas,
Inc.—Hemberger 2-25-34-8-60 , in the The Greeley Tribune. 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 date the public notice is
published. Please send any comment regarding this public notice to the address below.
Colorado Dept. of Public Health&Environment
APCD-SS-Bl
4300 Cherry Creek Drive South
Denver, Colorado 80246-1530
Attention: Clara Gonzales
Regards,
fl'
Clara Gonzales
Public Notice Coordinator
Stationary Sources Program
Air Pollution Control Division
Enclosure
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STATE OF COLORADO
John W.Hickenlooper,Governor
Karin McGowan - ` oF- �ok.
kr
Interim Executive Director Eg o
Dedicated to protecting and improving the health and environment of the people of Colorado * 4,.:
4300 Cherry Creek Dr.S. Laboratory Services Division \7 .
Denver,Colorado 80246-1530 8100 Lowry Blvd
Phone(303)692-2000 Denver,Colorado 80230-6928 Colorado Department
Located in Glendale,Colorado (303)692-3090 - of Public Health
http://www.cdphe.siate.co.us and Environment
Website Title: Carrizo Oil and Gas, Inc.—Hemberger 2-25-34-8-60 —Weld County
Released To: The Greeley Tribune
On: February 3,2014
Published: February 6,2014
PUBLIC NOTICE OF A PROPOSED PROJECT
OR ACTIVITY WARRANTING PUBLIC COMMENT
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 and Gas,Inc.
Facility: Hemberger 2-25-34-8-60
crude oil production site with associated natural gas
SWSE, Section 25, T8N, R60W, (9.5 miles west of Raymer, CO 80611)
Weld County
The proposed project or activity is as follows: The applicant proposes a wellhead separator with a requested
throughput of 6.5 MMscf separator vapors per year and four 400 barrel crude oil storage tanks with requested
throughputs of 42,693 barrels per year.
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):
• 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 analyses,and a draft of Construction Permits 13 WE1117 and
13 WE11 19 have been filed with the Weld County Clerk's office. A copy of the draft permits and the Division's
analyses are available on the Division's website at www.colorado.gov/cdphe/AirPublicNotices
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:
Kirk Bear
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B 1
Denver, Colorado 80246-1530
cdphe.commentsapcd@state.co.us
STATE OF COLORADO
,5 COz
COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT
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AIR POLLUTION CONTROL DIVISION .i"
TELEPHONE: (303)692-3150
4-/876.
CONSTRUCTION PERMIT
PERMIT NO: 13WE1117
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 facility, known as the Hemberger 2-25-34-8-60, located in the SWSE of Section
25, Township 8N, Range 60W, in Weld County, Colorado.
THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING:
Facility AIRS
Equipment Point Description
ID
TANKS 001 Four 400 bbl crude oil storage tanks. Emissions from these
tanks are controlled by a combustor.
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 seq),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', II.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 permit
application associated with this permit; (ii)discontinues construction fora period of eighteen
AIRS ID: 123/9ACF Page 1 of 7
Condensate Tank SM/M Version 2012-1
Colorado Department of Public Health and Environment
Air Pollution Control Division
months or more; (Hi) 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 complete all initial compliance testing and sampling as required in this
permit and submit the results to the Division as part of the self-certification process.
(Reference: Regulation No. 3, Part B, Section III.E.)
5. 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.
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
Emission Type
Equipment ID Point NO, V0C CO
TANKS 001 --- 4.7 --- 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 Pollutants
Equipment Point Control Device Controlled
ID
TANKS 001 Combustor VOC, HAPs
PROCESS LIMITATIONS AND RECORDS
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)
AIRS ID: 123/9ACF Page 2 of 7
Colorado Department of Public Health and Environment
Air Pollution Control Division
Process/Consumption Limits
Facility
Equipment Po. Process Parameter Annul
ID
TANKS 001 Crude oil throughput 42,693
bbl/yr
The owner or operator shall calculate monthly process rates based on the calendar month.
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.
STATE AND FEDERAL REGULATORY REQUIREMENTS
9. 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)
10. 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.1.c shall have no visible emissions. (Reference: Regulation No. 1,
Section II.A.1. &4.)
11. This source is subject to the odor requirements of Regulation No.2.(State only enforceable)
OPERATING & MAINTENANCE REQUIREMENTS
12. 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
13. No compliance testing required
ADDITIONAL REQUIREMENTS
14. A revised Air Pollutant Emission Notice(APEN)shall be filed: (Reference: Regulation No.3,
Part A, II.C)
a. Annually by April 301h 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
AIRS ID: 123/9ACF Page 3 of 7
Colorado Department of Public Health and Environment
Air Pollution Control Division
For volatile organic compounds (VOC)and nitrogen oxides sources (NO„) in ozone
nonattainment areas emitting less than 100 tons of VOC or NO 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
For sources emitting 100 tons per year or more, a 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.
15. 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
16. 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.
17. 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.
18. 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.
AIRS ID: 123/9ACF Page 4 of 7
Colorado Department of Public Health and Environment
Air Pollution Control Division
19. 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.
20. Each and every condition of this permit is a material part hereof 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 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.
21. 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.
22. 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:
Kirk Bear
Permit Engineer
Permit History
Issuance Date Description
Issuance 1 This Issuance Issued to Carrizo Oil and Gas, Inc.
AIRS ID: 123/9ACF Page 5 of 7
Colorado Department of Public Health and Environment
Air Pollution Control Division
Notes to Permit Holder at the time of this permit issuance:
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://wmf.cdphe.state.co.us/regulations/airreqs/1 001 02aqcccom mon provisions req.pdf.
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 Are the Controlled
AIRS Pollutant CAS# BIN Emissions emissions Emissions
Point (Ib/yr) reportable? (Ib/yr)
benzene 71432 A 3586 yes 179
n-hexane 110543 C 20493 yes 1025
001 -
toulene 110543 C 8539 yes 427
F xylene 110543 C 2562 yes 128
5) The emission levels contained in this permit are based on the following emission factors:
Emission Factors Emission Factors
CAS# Pollutant Uncontrolled Controlled Source
lb/bbl lb/bbl
VOC 4.4 .22 E&P Tanks
110543 n-hexane .484 .024 E&P Tanks
71432 benzene 084 004 E&P Tanks •
110543 toulene .20 .01 E&P Tanks
110543 xylene .06 , .003 E&P Tanks
Note: The controlled emissions factors for point 001 are based on the flare control efficiency of
95%.
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:
AIRS ID: 123/9ACF Page 6 of 7
Colorado Department of Public Health and Environment
Air Pollution Control Division
Applicable Status
Requirement
Operating Permit Synthetic Minor Source of:VOC, HAPs
NANSR Synthetic Minor Source of:VOC, HAPs
MACT HH Area Source Requirements: Not Applicable
8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at
the website listed below:
http:ii ecfr.apoaccess.gov/
Part 60:Standards of Performance for New Stationary Sources
NSPS 60.1-End Subpart A—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 M—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 7777—Subpart MMMMM •
MACT 63.8980-End Subpart NNNNN—Subpart XXXXXX
9) An Oil and Gas Industry Construction Permit Self-Certification Form is included with this permit packet.
Please use this form to complete the self-certification requirements as specified in the permit conditions.
Further guidance on self-certification can be found on our website at:
http://wvvw.cdphe.state.co.us/ap/oilgaspermittinq.htmi
AIRS ID: 123/9ACF Page 7 of 7
Construction Permit Application
Preliminary Analysis Summary
Section 1—Applicant Information
Company Name: Carrizo Oil &Gas, Inc.
Permit Number: 13WE1117
Source Location: SWSE, Section 25,T8N,R60W
Equipment Description: Four 400 bbl crude oil storage tanks
AIRS ID: 123-9ACF-001
Date: 30 July 2013
Review Engineer: Kirk Bear
Control Engineer: Christopher Laplante
Section 2—Action Completed
X Initial Approval Modification APEN Required/Permit Exempt
Final Approval Transfer of Ownership APEN Exempt/Permit Exempt
*If tank is a true minor source at a true minor facility, it may be granted "Final Approval"without first
being issued an Initial Approval permit
*Grandfathered exemption is for any tanks in service prior to December 30, 2002
Section 3—Applicant Completeness Review
Was the correct APEN submitted for this source type? X Yes No
Is the APEN signed with an original signature? X Yes No
Was the APEN filled out completely? X Yes No
Did the applicant submit all required paperwork? X Yes No
Did the applicant provide ample information to determine emission rates? X Yes No
If you answered"no"to any of the above, when did you mail an
Information Request letter to the source?
On what date was this application complete? 24 December 2012
•
Section 4—Source Description •
AIRS Point Equipment Description
001 Four 400 bbl crude oil storage tanks
Is this a portable source? Yes X No
Is this location in a non-attainment area for any criteria x Yes No
pollutant?
If"yes", for what pollutant? PM,0 CO X Ozone
•
Is this location in an attainment maintenance area for Yes X No
any criteria pollutant?
If"yes", for what pollutant? •
(Note:These pollutants are subject to minor source PM,o CO Ozone
RACT per Regulation 3, Part B, Section 111.0.2)
Is this source located in the 8-hour ozone non-
attainment region?(Note: If"yes"the provisions of X Yes No
Regulation 7, Sections XII and XVII.C may apply)
Page 1
Section 5—Emission Estimate Information
AIRS Point Emission Factor Source
001 E&P Tanks
Did the applicant provide actual process data for the emission inventory? X Yes No .
Basis for Potential to Emit(PTE)
AIRS Point Process Consumption/Throughput/Production
001 42,693 bbl per year
Basis for Actual Emissions Reported During this APEN Filing(Reported to-Inventory)
AIRS Point Process Consumption/Throughput/Production Data Year
001 35,578 bbl per year 2013
Basis for Permitted Emissions(Permit Limits)
AIRS Point Process Consumption/Throughput/Production
001 42,693 bbl per year
Does this source use a control device? X Yes No
% Reduction
AIRS Point Process Control Device Description
Granted
001 01 Combustor 95
Section 6—Emission Summary(tons per year)
Point NO„ VOC CO Single HAP Total HAP
PTE: 001 93.9 10.2 17.6
Uncontrolled point •
001 93.9 10.2 17.6
source emission rate:
Controlled point 001 4.7 .5 .9
source emission rate:
Section 7—Non-Criteria/Hazardous Air Pollutants
Uncontrolled Am the Controlled Emission
Pollutant CAS# BIN Emission Rate emissions r
(Iblyr) . reportable? Rate pb!Y)
benzene 71432 A 3,586 yes 179
n-hexane 110543 C 20,493 yes 1,025
Note: Regulation 3, Part A, Section II B.3.b APEN emission reporting requirements for non-criteria air . ,
pollutants are based on potential emissions without credit for reductions achieved by control
devices used by the operator.
Section 8—Testing Requirements
Will testing be required to show compliance with any emission rate or regulatory X Yes No
standard?
If"yes", complete the information listed below •
AIRS Point Process Pollutant Regulatory Basis Test Method
Liquids Analyses '
001 01 VOC, PS Memo 05-01 according to PS •
HAPS Memo 05-01
Page 2
Section 9—Source Classification
Is this a new previously un-permitted source? X Yes No
What is this facility classification? True X Synthetic Major
Minor Minor
•
Classification relates to what programs? X Title V PSD X NA NSR X MACT
Is this a modification to an existing permit? Yes X No
If"yes"what kind of modification? Minor Synthetic Major
Minor
Section 10—Public Comment
Does this permit require public comment per CAQCC Regulation 3? X Yes No
If"yes",for which pollutants?Why?
For Reg. 3, Part B, III.C.1.a (emissions increase > 25/50 tpy)? Yes No
For Reg. 3, Part B, III.C.1.c.iii (subject to MACT)? Yes No
For Reg. 3, Part B, III.C.1.d(synthetic minor emission limits)? X Yes No
Section 11 —Modeling
Is modeling required to demonstrate compliance with National Ambient Yes X No
Air Quality Standards(NAAQS)? •
If"yes", for which pollutants?Why?
AIRS Point Section 12—Regulatory Review
Regulation 1 -Particulate, Smoke, Carbon Monoxide and Sulfur Dioxide
Section II.A.1 -Except as provided in paragraphs 2 through 6 below, no owner or operator
of a source shall allow or cause the emission into the atmosphere of any air pollutant which
is in excess of 20% opacity. This standard is based on 24 consecutive opacity readings
taken at 15-second intervals for six minutes. The approved reference test method for
visible emissions measurement is EPA Method 9 (40 CFR, Part 60,Appendix A(July,
001 1992)) in all subsections of Section II.A and B of this regulation.
Section II.A.5 -Smokeless Flare or Flares for the Combustion of Waste Gases 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 for a period or periods aggregating more than six minutes in any sixty
consecutive minutes.
Regulation 2—Odor
Section LA- 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
001 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.
Regulation 3 -APENs, Construction Permits, Operating Permits, PSD
Part A-APEN Requirements
Criteria Pollutants: For criteria pollutants, Air Pollutant Emission Notices are required for:
001 each individual emission point in a non-attainment area with uncontrolled actual emissions
of one ton per year or more of any individual criteria pollutant(pollutants are not summed)
for which the area is in non-attainment.
(Applicant is required to file an APEN since emissions exceed 1 ton per year VOC)
Part B-Construction Permit Exemptions
• 001 Applicant is not required to obtain a permit(Regulation 3, Part B II.D.1.n) but is
_ requesting federally enforceable limits.
Regulation 6 New Source Performance Standards
Page 3
NSPS Kb: for storage vessels greater than 19,800 gallons after 7/23/84.
001 Is this source greater than 19,800 gallons (471 bbl)? No
Is this source subject to NSPS Kb? No
WHY?Tank<75 cubic meters.
Regulation 7 Volatile Organic Compounds
001 Tank is crude oil, Regulation 7 does not apply.
Regulation 8-Hazardous Air Pollutants
MACT EEEE: Organic Liquids Distribution
001 This source is not subject to MACT EEEE because it is not located at a major source
of HAP.
MACT HH
001 This source is not subject to MACT HH because it is not located at a major source of
HAP.
Section 13—Aerometric Information Retrieval System Coding Information
Process Emission Pollutant/ Fugitive Control
Point Process Description Factor CAS# (Y/N) Emission Factor Source (%)
4.4 lb/bbl VOC No E&P Tanks 95
01 E&P Crude Oil .084 Ib/bbl benzene No E&P Tanks 95
001 Storage Tanks 71432
.48 lb/bbl n-hexane No E&P Tanks 95
110543
SCC 40400311 —Fixed Roof Tank, Crude Oil, working+breathing+flashing losses
Section 14—Miscellaneous Application Notes
AIRS Point 001 Crude Oil Storage Tanks
Applicant is requesting federally enforceable permit limits
•
•
•
•
Page 4
STATE OF COLORADO
ZJ Cep
COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT � �
AIR POLLUTION CONTROL DIVISION
TELEPHONE: (303)692-3150 \+I., +1
Nt 1876
CONSTRUCTION PERMIT
PERMIT NO: 13WE1 11 .7
Issuance 1
DATE ISSUED:
ISSUED TO: Carrizo Oil and Gas, Inc.
THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS:
Oil and gas facility, known as the Hemberger 2-25-34-8-60, located in the SWSE of Section
25, Township 8N, Range 60W, in Weld County, Colorado.
THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING:
Facility AIRS
Equipment Point
Description
ID
Separator controlled by a 25' flare stack. Flare has a
SEPARATOR 003 minimum combustion efficiency of 95%. The flare is not
enclosed.
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 seq),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, II.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 permit
AIRS ID: 123/9ACF Page 1 of 8
Wellhead Version 2012-1
Colorado Department of Public Health and Environment
Air Pollution Control Division
application associated with this permit; (ii)discontinues 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 complete all initial compliance testing and sampling as required in this
permit and submit the results to the Division as pad of the self-certification process.
(Reference: Regulation No. 3, Part B, Section III.E.)
5. Point 003: The following information for all permitted equipment except fugitive emissions
from equipment leaks shall be provided to the Division within fifteen(15)days after issuance
of permit.
• manufacturer
• model number
• serial number
This information shall be included with the Notice of Startup submitted for the equipment.
(Reference: Regulation No. 3, Part B, III.E.)
6. 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.
EMISSION LIMITATIONS AND RECORDS
7. Emissions of air pollutants shall not exceed the following limitations (as calculated in the
Division's preliminary analysis). (Reference: Regulation No. 3, Pad B, Section II.A.4)
Annual Limits:
Facility AIRS Tons per Year Emission Type
Equipment ID Point NO, VOC CO
SEPARATOR 003 .3 3.7 1.7 Point
See"Notes to Permit Holder#4"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.
8. 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.)
AIRS ID: 123/9ACF Page 2 of 8
Colorado Department of Public Health and Environment
Air Pollution Control Division
Facility AIRS Pollutants
Control Device
Equipment ID Point Controlled
SEPARATOR 003 Separator controlled by a 25'flare stack VOC, HAPs
PROCESS LIMITATIONS AND RECORDS
9. This source shall be limited to the following maximum processing rates as listed below.
Monthly records of the throughput shall be maintained by the applicant 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 003 Natural gas flaring 6.5 MMscf/yr
The owner or operator shall calculate monthly process rates based on the calendar month.
• 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.
STATE AND FEDERAL REGULATORY REQUIREMENTS
10. The permit number and AIRS ID number 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. (Reference: Regulation No. 1, Section II.A.1. &4.)
12. 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 for a period or periods aggregating more than six minutes in any
sixty consecutive minutes. (Reference: Regulation No. 1, Section II A.5.)
13. These sources are subject to the odor requirements of Regulation No. 2. (State only
enforceable)',
OPERATING & MAINTENANCE REQUIREMENTS
14. Point 003: Upon startup of these points, the applicant shall follow the 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.)
AIRS ID: 123/9ACF Page 3 of 8
Colorado Department of Public Health and Environment
Air Pollution Control Division
COMPLIANCE TESTING AND SAMPLING
Initial Testing Requirements
15. Point 003: The operator shall complete an initial site specific extended gas analysis of the
natural gas produced at this site in order to verify the VOC, benzene,toluene,ethyl benzene,
xylenes, n-hexane, and 2,2,4-trimethylpentane 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. Results of site-specific sampling
and analysis shall be submitted to the Division as part of the self-certification and used to
demonstrate compliance with the emissions factors chosen for this emissions point.
16. Point 003: The owner or operator shall demonstrate compliance with Condition 11 using
EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section
II.A.5).
Periodic Testing Requirements
17. Point 003: 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 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
18. A revised Air Pollutant Emission Notice(APEN)shall be filed:(Reference: Regulation No.3,
Part A, II.C)
a. Annually 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 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.
19. 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).
AIRS ID: 123/9ACF Page 4 of 8
Colorado Department of Public Health and Environment
Air Pollution Control Division
GENERAL TERMS AND CONDITIONS
20. 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.
21. 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
been reviewed and approved by the Division, it will provide
of allpoints has
self-certification pp
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.
22. This permit is issued in reliance upon the accuracy and completeness of information
supplied by the applicant 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 applicant or applicant's agents. It is valid only for the
equipment and operations or activity specifically identified on the permit.
23. 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.
24. Each and every condition of this permit is a material part hereof 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 applicant, or the Division revokes a permit,the applicant
or owner or operator of a source may request a hearing before the AQCC for review of the
Division's action.
25. 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.
26. 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.
AIRS ID: 123/9ACF ` Page 5 of 8
Colorado Department of Public Health and Environment
Air Pollution Control Division
By:
Kirk Bear
Permit Engineer
Permit History
Issuance Date Description
Issuance 1 This Issuance Issued to Carrizo Oil and Gas, Inc.
AIRS ID: 123/9ACF Page 6 of 8
•
Colorado Department of Public Health and Environment
Air Pollution Control Division
Notes to Permit Holder:
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 permittee 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 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 permittee 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.cd phe.state.co.u s/req ulations/a i rregs/100102a gccco m m onprovisionsreq.pdf.
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 Controlled
AIRS Pollutant CAS# BIN Reportable?
(Ib/yr) (Ib/yr)
Point
benzene 71432 A 514 yes 26
003
• n-hexane 110543 C 2720 yes 136
5) The emission levels contained in this permit are based on the following emission factors:
Point 003:
Emission Emission
• CAS# Pollutant Factors Factors Source
Uncontrolled Controlled
VOC 140.6 8.73 mass balance
lb/MMBtu lb/MMBtu
0.37 0.37 •
CO AP-42
Ib/MMBtu lb/MMBtu . .
NOx .068 .068 AP-42
lb/MMBtu lb/MMBtu
71432 benzene 79'1 4.0 mass balance
lb/MMscf lb/MMscf
110543 n-hexane 418.4 20.9 mass balance lb/MMscf lb/MMscf
Ib/MMscf
Note: The uncontrolled VOC and HAP emissions for this point were calculated using the October
30, 2012 analysis of a gas sample collected from the Pergamos 1 & 2 Mult-pad. The
controlled VOC and HAP emissions factors for point 007 are based on the flare control
efficiency of 95%.
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
AIRS ID: 123/9ACF Page 7 of 8
Colorado Department of Public Health and Environment
Air Pollution Control Division
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 Source of: VOC, HAPs
NANSR Synthetic Minor Source of: VOC, HAPs
MACT HH Area Source Requirements: Not Applicable .
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.gpoaccess.gov/
Part 60: Standards of Performance for New Stationary Sources
NSPS 60.1-End Subpart A—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) An Oil and Gas Industry Construction Permit Self-Certification Form is included with this permit packet.
Please use this form to complete the self-certification requirements as specified in the permit conditions.
Further guidance on self-certification can be found on our website at:
htto://www.cdphe.stafe.co.us/ap/oiloaspermittino.html
AIRS ID: 123/9ACF Page 8 of 8 .
Construction Permit Application
Preliminary Analysis Summary
Section 1 —Applicant Information
Company Name: Carrizo Oil and Gas, Inc.
Permit Number: 13WE1119
Source Location: Hemberger 2-25-34-8-60
AIRS ID: 123/9ACF/003
Date: 1 August 2013
Review Engineer: Kirk Bear
Control Engineer: Christopher Laplante
Section 2—Action Completed
Grandfathered Modification APEN Required/Permit Exempt
X Initial Approval Transfer of Ownership APEN Exempt/Permit Exempt •
*If tank is a true minor source at a true minor facility, it shall be granted"Final Approval"
Section 3—Applicant Completeness Review
Was the correct APEN submitted for this source type? X Yes •
No
Is the APEN signed with an original signature? X Yes No
Was the APEN filled out completely? X Yes No '
Did the applicant submit all required paperwork? X Yes No
Did the applicant provide ample information to determine emission rates? X Yes No •
If you answered "no"to any of the above, when did you mail an
Information Request letter to the source?
On what date was this application complete? 24 December 2012
Section 4—Source Description
AIRS Point Equipment Description
Separator Separator r controlled by a flare stack. Flare has a minimum combustion efficiency
of 95%. The flare is not enclosed. •
Is this a portable source? Yes X No
Is this location in a non-attainment area for any criteria X Yes No
pollutant? '
If"yes", for what pollutant? PM10 CO X Ozone
Is this location in an attainment maintenance area for Yes X No
any criteria pollutant? •
If"yes",for what pollutant?
(Note: These pollutants are subject to minor source PM,o CO Ozone
RACT per Regulation 3, Part B, Section III.D.2)
Is this source located in the 8-hour ozone non-
attainment region? (Note: If"yes" the provisions of X Yes No
Regulation 7, Sections XII and XVII.C may apply)
Section 5—Emission Estimate Information
AIRS Point Emission Factor Source
Page 1 •
Separator Site-specific using mass balance
Did the applicant provide actual process data for the emission inventory? X Yes No
Basis for Potential to Emit(PTE)
AIRS Point Process Consumption/Throughput/Production
Separator 6.5 MMscf/yr
Basis for Actual Emissions Reported During this APEN Filing(Reported to Inventory)
AIRS Point Process Consumption/Throughput/Production Data Year
Separator 6.5 MMscf/yr 2012
Basis for Permitted Emissions(Permit Limits)
AIRS Point Process Consumption/Throughput/Production
Separator 6.5 MMscf/yr
Does this facility use control devices? X Yes No
AIRS Point Process Control Device Description % Reduction Granted
Separator 01 Flare stack 95
Section 6—Emission Summary(tons per year)
Single Total
Point NO, VOC CO SOx PM10
HAP HAP
PTE: 003 .3 73.2 1.7 --- --- 1.4 1.9
Controlled point 003 .3 3.7 1.7 --- --- .1 .1
source emission rate:
TOTAL PERMITTED 003 .3 3.7 1.7 --- --- .1 .1
(TPY) _
Section 7—Non-Criteria/Hazardous Air Pollutants
Uncontrolled Are the Controlled Emission
Pollutant CAS# BIN Emission Rate emissions Ra
te Ib! r
(lb/yr)
reportable? R 1 y)
Separator-Point 003
benzene 71432 A 514 Yes 26
n-hexane 110543 C 2720 No 136
Note: Regulation 3, Part A, Section II.B.3.b APEN emission reporting requirements for non-criteria air
pollutants are based on potential emissions without credit for reductions achieved by control
•
devices used by the operator.
Section 8—Testing Requirements
Will testing be required to show compliance with any emission rate or regulatory X Yes No
standard?
If"yes", complete the information listed below
AIRS Point Process Pollutant Regulatory Basis Test Method
VOC,
Separator 01 HAPS State only requirement Stack Test
Section 9—Source Classification
Is this a new previously un-permitted source? 003
YES X
Page 2
NO
What is this point classification?
True Minor
Synthetic Minor X
Major
What is this facility classification? True. X Synthetic Major
Minor Minor
Classification relates to what programs? Title V X PSD X NA NSR MACT
Is this a modification to an existing permit? Yes X No
If"yes"what kind of modification? Minor Synthetic Major
Minor
Section 10—Public Comment
Does this permit require public comment per CAQCC Regulation 3? X Yes No
If"yes",for which pollutants?Why? VOC
For Reg. 3, Part B, III.C.1.a (emissions increase>25/50 tpy)? Yes No
For Reg. 3, Part B, III.C.1.c.iii (subject to MACT)? Yes No =
For Reg. 3, Part B, III.C.1.d (synthetic minor emission limits)? X Yes No
Section 11 —Modeling
•
Is modeling required to demonstrate compliance with National Ambient Yes X .
Air Quality Standards (NAAQS)?
If"yes", for which pollutants?Why? NOx emissions are less than 40 TPY. :
AIRS Point Section 12—Regulatory Review
• --Regulation:1.-'Particulate, Smoke,Carbon.Monoxide:and Sulfur Dioxide
Section II.A.1 -Except as provided in paragraphs 2 through 6 below, no owner or
operator of a source shall allow or cause the emission into the atmosphere of any air ?-
pollutant which is in excess of 20% opacity. This standard is based on 24 consecutive •
opacity readings taken at 15-second intervals for six minutes. The approved reference test .-
method for visible emissions measurement is EPA Method 9 (40 CFR, Part 60, Appendix
003 A(July, 1992)) in all subsections of Section II.A and B of this regulation.
Section II.A.5 -Smokeless Flare or Flares for the Combustion of Waste Gases 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 for a period-or periods aggregating more than six minutes in any sixty z.
consecutive minutes.
'- Regulation 2 =Odor F.
Section I.A- 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 '•.;'-.'i} .,: ';
003 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.
Page 3
•
�:- Regulation 3-APENs, Construction Permits. Operating Permits, PSD
P g
Part A-APEN Requirements
Criteria Pollutants: For criteria pollutants, Air Pollutant Emission Notices are required for:
003 each individual emission point in a non-attainment area with uncontrolled actual emissions
of one ton per year or more of any individual criteria pollutant(pollutants are not summed)
for which the area is in non-attainment.
(Applicant is required to file an APEN since emissions exceed 1 ton per year VOC)
Part B—Construction Permit Exemptions
003 Applicant is required to obtain a permit since uncontrolled VOC emissions from this
facility are greater than the 5.0 TPY threshold (Reg. 3, Part B, Section II.D.3.a)
emulation 6- New Source Performance Standards
003 None
Regulation 7—Volatile Organic Compounds
XII.VOLATILE ORGANIC COMPOUND EMISSIONS FROM OIL AND GAS
003 OPERATIONS
Regulation 7 does not apply.
Regulation 8—Hazardous Air Pollutants
003 None
Section 13—Aerometric Information Retrieval System Coding Information
Emission Pollutant/ Fugitive Emission Factor Control
Point Process Process Description Factor CAS# (YIN) Source (%)
22509 VOC No Mass Balance 95
lb/MMscf
94 NOx No Mass Balance NA
lb/MMscf
514
01 Separator lb/MMscf
CO No Mass Balance NA
003 79
lb/MMscf benzene No Mass Balance 95
418 n-hexane No Mass Balance 95
lb/MMscf
SCC 31000205-Flares
Section 14—Miscellaneous Application Notes
AIRS Point 003 Separator
Operator provided an extended gas analysis and emissions were calculated using EPA Emission
Inventory Improvement Program Publication,Volume II, Chapter 10-Displacement equation(10.4-3)
where:
Ex=Q *MW*Xx/C
Ex=emissions of pollutant x
Q=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/Ib-mol) at 60F and 1 atm
Emissions generated from the flare are:
Uncontrolled Total Controlled Total
NOx .3 ton NA
VOC 73.2 ton 3.7 ton
CO 1.7 ton NA
benzene 514 pounds 26 pounds
n-hexane 2720 pounds 136 pounds
An extended gas analysis was provided in the application dated 12/24/2012. An updated extended gas
analysis will not be required because an extended gas analysis was performed within a year of this
submittal and included with this package.
Page 4
Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment • .
Air Pollution Control Division
Flaring Information
Equipment Description
Flare to combust produced(ias for downtime and maintenance.
Manufacturer TBD • .
Model TBD •
Serial Number TBD
.Gas Heating Value 1389 . Btu/scf .
Throughput 9028.5 • MMBtu/yr
•
Combustion emission factor source: AP-42:Chapter 13.5
0.068 lb NOX/MMBtu 0.37 lb CO/MMBtu
0.31 tpy NOX 1.67 tpy CO
Emissions Summary .
0.31 tpy NOX
Uncontrolled/PTE 1.67 tpy CO
73.155 VOC . . - '
Controlled 3.658 tpy VOC .
Uncontrolled Scenario A - Controlled . . .
Total(Ibtyr) Bin Reportable? Total(Ib/yr)
Benzene 514 A Yes 26
Toluene 370 C No 18
Ethylbenzene 55 C No • 3 ••
Xylenes . 95 C No 5
• n-hexane 2720 C Yes 136
224-TMP 2 C No 0 .
Regulatory Applicability •
AQCC 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.'
•
AQCC 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 3 .
•
An APEN is required for this source because uncontrolled VOC emissions
• Part A: exceed one ton per year in a nonattainment area for ozone. • .
A permit is required for this source because uncontrolled VOC emissions from
this facility exceed two tons per year in a nonattainment area for ozone.
Part B: This source is..subject to Section III.D.2(Minor Source RACT)because it is
located in a nonattainment area.RACT for this source has been determined .
ta_be the use of a flare to control emissions.
Is public comment Public Comment Required/Public Comment not required
required?
•
r Facility Status .
This facility is a true minor/synthetic minor/major source of NOX/VOC/CO/HAP for Title V applicability.
This facility is a true minor/synthetic minor/major source of NOXNOC/CO/HAP for PSDINSR applicability.
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Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment: • •
Air Pollution Control Division -
Division Information
I Engineer: Kirk Bear Attainment Status
Control Engineer: Christopher Laplante PM10 Attainment
Review Date: 04/18/2013 PM2.5 Attainment
Application Date: 12/24/2012 SOx Attainment
NOx Nonattainment
VOC Nonattainment
Facility Information CO Attainment
_ Permit No. 13WE1119 •
County# 123 Weld Potentially Located within EAC-determine attainment status of NOx
Al Rs Facility# 9ACF
_ Point# 003
• Facility Equipment ID SEPARATOR
Company Name: Carrizo Oil and Gas.Inc.
Source Name: Hemberger 2-25-34-6-60
SWSE Section 25,Township 8N.Range 60W
Source Location:
I
SIC 211111
Elevation(feet)4927
New Permit Modification APEN
X (CP1) : (Issuance#) Required/Permit
, Fxemot
Transfer of APEN .
Ownership Exempt/Permit
Exempt ,
Notes .
Equipment Description
This source vents natural gas from: a well head separator 1
Emissions from this source are: . routed to an open-flame flare
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• Natural gas venting from a well head separator.Emissions from this source are routed to an open-
flame flare.
Emission Calculation Method -
EPA Emission Inventory Improvement Program Publication Volume II,Chapter 10-Displacement Equation(10.4-3)
Ex=Q'MW'Xx/C
Ex=emissions of pollutant x
Q=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
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• C=molar volume of ideal gas(379 scf/lb-mol)at 60F and 1 atm
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Throughput(0) 6.5 MMscf/yr L 742.0 sd/hr [ 0.55 MMscf/mo I
MW 24.51 Ib/Ib-mol 0.018 MMsced
• mole% MW lbx/Ibmol mass fraction E -Iblhr lb/yr tpy
Helium 0.02 4.0026 0.001 0.000 Helium 0.0 14 0.01
CO2 2.37 44,01 1.043 0.043 CO2 2.0 17888 8.94
N2 0.93 28.013 0.261 0.011 N2 0.5 4468 2.23
• methane 68.158 16.041 10.933 0.446 methane 21.4 187509 93.75
ethane 12.4452 30.063 3.741 0.153 ethane 7.3 64166 32.08
propane 9.4439 44.092 4.1640 0.170 propane 8.2 71414 35.71 .
isobutane 0.9518 58.118 0.5590 0.023 isobutane 1.1 9587 4.79
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n-butane 3.2358 58.118 1.8806 _ 0.077 n-butane 3.7 32253 163
[' isopentane 0.6134 72.114 0.4423 0.018 isopentane 0.9 7586 3.79
n-pentane 0.8142 72.114 0.5872 0.024 n-pentane 1.1 10070 5.03
cyclopentane 0.0742 70.13 0.0520 0.002 cyclopentane 0.1 892 0.45
I.
n-Hexane 0.1840 86.18 0.1586 0.006 n-Hexane 0.3 2720 1.36
cyclohexane 0.0505 64.16 0.0425 - 0.002 cyclohexane 0.1 729 0.36
f, Other hexanes 0.3191 86.18 0.2750 0.011 Other hexanes 0.5 4716 2.36
heptanes 0.1589 • 100.21 0.1592 0.006 heptanes 0.3 2731 1.37
methylcyclohexane 0.0373 98.19 0.0366 0.001 methylcyclohaxane 0.1 628 0.31
i 224-TMP 0.0001 114.23 0.0001 0.000 224-TMP 0.0 2 0.00
Benzene 0.0384 78.12 0.0300 0.001 Benzene 0.1 514 0.26
Toluene 0.0234 92.15 0.0216 _ 0.001 Toluene • 0.0 370 0.18
-Ethylbenzene 0.003 106.17 0.0032 0.000 Ethylbenzene 0.0 55 0.03
t Xylenes 0.0052 106.17 0.0055 • 0.000 Xylenes 0.0 95 0.05
F
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Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment
Air Pollution Control Division
IC8+Heavies I 0.09251 122.8 14j 0.1136 I 0.005 IC8+Heavies I 0.2 I 1948 0.97
VOC mass fraction: 0.3481 Total VOC Emissions(Uncontrolled) 73.2•
24.510 annual limit assuming 95%control 3.7
Notes monthly limit assuming 95%control(lb/mo.) _ 621.3
Mole%,MW,and mass fractions from Hemberger 2 gas analysis. .
Emissions are based on 1008 hours of operation per year rx.r flare.
I calculated the average MW of C8+based on the average MW on the analysis for the gas.
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