HomeMy WebLinkAbout20143732.tiff 4 CDPHE COLORADO
LI
CO Department of Public
Health b Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
Weld County - Clerk to the Board RECEIVED
1150 0 St
PO Box 758 DECO 1 20?4
Greeley, CO 80632
COUNTY
November 20, 2014
COMM!S ONERS
Dear Sir or Madam:
On November 26, 2014, the Air Pollution Control Division will begin a 30-day public notice period for
Noble Energy, Inc - Wells Rnach Sec 14 EcoNode. 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,
t,, 7; •
.-1
Clara Gonzales
Public Notice Coordinator
Stationary Sources Program
Air Pollution Control Division
Enclosure
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4300 Cherry Creek Drive S., Denver,CO 80246-1530 P 303-692.2000 www.colorado.gov/cdphe ( y :-,4- �o;
John W. Hickenlooper, Governor I Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer 1*, (.:11-::,,,:,,,::.;,,)
!' tAxi 14eA4 2014-3732
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,
CDPHE Air Pollution Control Division
CO le
Notice of a Proposed Project or Activity Warranting Public
Comment
Website Title: Noble Energy, Inc - Wells Rnach Sec 14 EcoNode - Weld County
Notice Period Begins: November 26, 2014
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: Noble Energy, Inc
Facility: Wells Rnach Sec 14 EcoNode
Oil and Gas Exploration and Production Facility
SWSW, Sec 14, T6N, R63W
Weld County
The proposed project or activity is as follows: The applicant wishes to permit a new Synthetic Minor E&P
EcoNode including Produced Water Storage, Truck Loadout, and emissions associated with separation
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 13WE2323 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:
David Thompson
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B1
Denver, Colorado 80246-1530
cdphe.commentsapcd@state.co.us
1 I ®® COLORADO
STATE OF COLORADO
LO D T F PUBLIC HEALTH AND ENVIRONMENT
AIR POLLUTION CONTROL DIVISION
TELEPHONE: (303)692-3150 `.t ."
.1876
CONSTRUCTION PERMIT
PERMIT NO: 13WE2323
Issuance 1
DATE ISSUED:
ISSUED TO: Noble Energy, Inc.
THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS:
Oil and gas exploration and production facility known as the Wells Ranch Sec 14
Econode, located in the SWSW Sec 14, T6N R63W, Weld County, Colorado.
THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING:
Facility AIRS
Equipment Point Description
ID
PW 008 Six (6) 500 bbl and two (2) 60 bbl produced water storage tanks
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, 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
permit application associated with this permit; (ii) discontinues construction for a period
of eighteen months or more; (Hi) does not complete construction within a reasonable
time of the estimated completion date. The Division may grant extensions of the
AIRS ID: 123/9A73 Page 1 of 8
epa a ii ealth and Environment
it Pollution Control Division
deadline perDolor
, II efere 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 following information 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, Part B, Section II.A.4)
Annual Limits:
Facility AIRS Tons per Year
Equipment ID Point NO, VOC CO Emission Type
PW 008 2.0 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.
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: 123/9A73 Page 2 of 8
olor Depa en li Health and Environment
it Pollution Control Division
•
Include contr re si to a emission limits. If facility-
wide permit, include all the equipment that has a control device.
Facility AIRS Pollutants
Equipment Point Control Device Controlled
ID
PW 008 Enclosed Flare VOC
PROCESS LIMITATIONS AND RECORDS
9. 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
Equipment Point Process Parameter Annual Limit
ID
PW 008 Produced Water Throughput 300000 BBL
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 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.1.c shall have no visible emissions. (Reference: Regulation
No. 1, Section II.A.1. & 4.)
12. This source is subject to the odor requirements of Regulation No. 2. (State only
enforceable)
OPERATING & MAINTENANCE REQUIREMENTS
13. 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.)
AIRS ID: 123/9A73 Page 3 of 8
olor Depa en li ealth and Environment
it Pollution Control Division
COMPLIANCE TE
Initial Testing Requirements
14. There are no initial testing requirements for this source
Periodic Testing Requirements
15. There are no initial testing requirements for this source
ADDITIONAL REQUIREMENTS
16. 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 (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.
17. 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
18. 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
AIRS ID: 123/9A73 Page 4 of 8
Depa en li Health and Environment
it Pollution Control Division
AQCC RegulDolor
, on are for transfer of ownership
and the submittal of a revised APEN and the required fee.
19. 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.
20. 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.
21. 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.
22. 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 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.
23. 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.
24. 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:
David Thompson
Permit Engineer
AIRS ID: 12319A73 Page 5 of 8
Dolo epa en Ii earth and Environment
it Pollution Control Division
Permit History
Issuance Date Description
Issuance 1 This Issuance Issued to Noble Energy, Inc.
•
AIRS ID: 123/9A73 Page 6 of 8
Depa en li Health and Environment
it Pollution Control Division
Notes to Permit HolderDolor
o e a .
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.gov/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 Rate emissions Emission Rate
Point Pollutant CAS# (lb/yr) reportable? (Ib/yr)
008 Benzene 71432 2100 Yes 105
008 n-Hexane 110543 6600 Yes 330
5) The emission levels contained in this permit are based on the following emission factors:
Point 008:
Emission Factors
Pollutant Uncontrolled Source
lb/BBL Produced
Water Throughput
VOC 0.262 CDPHE
n-Hexane 0.022 CDPHE
Benzene 0.007 CDPHE
Note: The controlled emissions for this point 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: 12319A73 Page 7 of 8
14.) olA.FlnIouiution
p lth andea ControlEnvironment Division
- Applicable Status
Requirement
Operating Permit Synthetic Minor of:
VOC, HAPs
NANSR Synthetic Minor of:
VOC, HAPs,
MACT HH Major Source Requirements: Not Applicable
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.cwoaccess.aov/
Part 60:Standards of Performance for New Stationary Sources
NSPS 60.1-End Subpart A—Subpart KKKK
P
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 7777—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.coloradoxiov/oacific./cdphe/air-permit-self-certification
AIRS ID: 123/9A73 Page 8 of 8
n
STATE OF COLORADO
LO D T F Pl rk HEALTH AND ENVIRONMENT
AIR POLLUTION CONTROL DIVISION Y\ �
TELEPHONE: (303) 692-3150 *
*1876*
CONSTRUCTION PERMIT
PERMIT NO: 13WE2325
Issuance 1
DATE ISSUED:
ISSUED TO: Noble Energy, Inc.
THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS:
Oil and gas exploration and production facility known as the Wells Ranch Sec 14
Econode, located in the SWSW Sec 14, T6N R63W, Weld County, Colorado.
THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING:
Facility
Equipment AIRS Description
ID Point
TLO 009 Truck Condensate Loadout
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, 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
permit 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
AIRS ID: 123/9A73 Page 1 of 8
Depa en li Health and Environment
it Pollution Control Division
deadline perDolor
, II efere 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
Equipment ID Point NO, VOC CO Emission Type
TLO 009 12.9 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
TLO 009 Enclosed Flare VOC
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
AIRS ID: 123/9A73 Page 2 of 8
olor Depa en li Health and Environment
it Pollution Control Division
operator and ail t vi ' pecti on request. (Reference:
Regulation 3, Part B, II.A.4)
Process/Consumption Limits
Facility AIRS
Equipment Point Process Parameter Annual Limit
ID
TL0 009 Oil Loaded 2000000 BBL
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)
12. Point 009: This source is located in an ozone non-attainment or attainment-maintenance
area and is subject to the Reasonably Available Control Technology (RACT)
requirements of Regulation Number 3, Part B, III.D.2.a. Condensate loading to truck
tanks shall be conducted by submerged fill. (Reference: Regulation 3, Part B, III.E)
13. Point 009: The owner or operator shall follow loading procedures that minimize the
leakage of VOCs to the atmosphere including, but not limited to (Reference: Regulation
3, Part B, III.E):
a. Hoses, couplings, and valves shall be maintained to prevent dripping, leaking, or
other liquid or vapor loss during loading and unloading.
b. All compartment hatches (including thief hatches) shall be closed and latched at
all times when loading operations are not active, except for periods of
maintenance, gauging, or safety of personnel and equipment.
c. The owner or operator shall inspect loading equipment and operations on site at
the time of the inspection to ensure compliance with Condition 13 (a) and (b)
above. The inspections shall occur at least monthly. Each inspection shall be
documented in a log available to the Division on request.
AIRS ID: 123/9A73 Page 3 of 8
epa en li ealth and Environment
it Pollution Control Division
14. Point 009: Dolor
li •' di 'ons, rdless of size, shall be
designed, operated and maintained so as to minimize leakage of volatile organic
compounds to the atmosphere to the maximum extent practicable.
OPERATING & MAINTENANCE REQUIREMENTS
15. Upon startup of these points, the owner or operator shall follow the most recent
i 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
Periodic Testing Reauirements
ADDITIONAL REQUIREMENTS
16. 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 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.
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f. Within d s m erati a permanent replacement
engine under the alternative operating scenario outlined in this permit as
Attachment A. The APEN shall include the specific manufacturer, model and
serial number and horsepower of the permanent replacement engine, the
appropriate APEN filing fee and a cover letter explaining that the owner or
operator is exercising an alternative-operating scenario and is installing a
permanent replacement engine.
17. 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
18. 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.
19. 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.
20. 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.
21. 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.
22. 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 owner or operator, or the
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Depa en li ealth and Environment
it Pollution Control Division
Division revoDolor
' or of a may request a hearing
before the AQCC for review of the Division's action.
23. 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.
24. 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:
David Thompson
Permit Engineer
Permit History
Issuance Date Description
Issuance 1 This Issuance Issued to Noble Energy, Inc.
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Notes to Permit Holder - - me o e a .
1) The pen-nit 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 Rate emissions Emission Rate
Point Pollutant CAS# (Ib/yr) reportable? (lb/yr)
009 Benzene 71432 4178.03 Yes 208.90
009 n-Hexane 110543 7427.60 Yes 371.38
009 Toluene 108883 6034.93 Yes 301.75
009 Xylenes 1330207 2321.13 Yes 116.06
5) The emission levels contained in this permit are based on the following emission factors:
Point 009:
Emission Factors -
Uncontrolled
Pollutant Ib/BBL loaded Source
VOC 0.2321 AP-42
Benzene 0.0021 AP-42
n-Hexane 0.0037 AP-42
Toluene 0.003 AP-42
Xylenes 0.0012 AP-42
The uncontrolled VOC emission factor was calculated using AP-42, Chapter 5.2, Equation 1
(version 1/95) using the following values:
L= 12.46*S`P`M/T
S = 0.6 (Submerged loading: dedicated normal service)
P (true vapor pressure) =6.9 psia
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M (va r )
T(temperature of liquid loaded) =520°R
The uncontrolled non-criteria reportable air pollutant(NCRP)emission factors were calculated by
multiplying the mass fraction of each NCRP in the vapors by the VOC emission factor.
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 of:
VOC, HAPs
NANSR Synthetic Minor of:
VOC, HAPs,
MACT HH Major Source Requirements: Not Applicable
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 7777—Subpart MMMMM
MACT 63.8980-End Subpart NNNNN—Subpart XXXXX(
9) A self certification form and guidance on how to serf-certify compliance as required by this permit may
be obtained online at: http://www.colorado.eov/pacific/cdphe/air-permit-self-certification
AIRS ID: 123/9A73 Page 8 of 8
STATE OF COLORADO
�- C A
DRRAFP C HEALTH AND ENVIRONMENT �
AIR POLLUTION CONTROL DIVISION
TELEPHONE: (303)692-3150 '.�, .
*18764
CONSTRUCTION PERMIT
PERMIT NO: 13WE2326
Issuance 1
DATE ISSUED:
ISSUED TO: Noble Energy, Inc.
THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS:
Oil and gas exploration and production facility known as the Wells Ranch Sec 14
Econode, located in the SWSW Sec 14, T6N R63W, Weld County, Colorado.
THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING:
Facility AIRS
Equipment Point Description
ID
Flare 010 Separator controlled by a 40' flare stack. Flare has a 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, 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
permit application associated with this permit; (ii) discontinues construction for a period
of eighteen months or more; (iii) does not complete construction within a reasonable
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olor Depa en li ealth and Environment
T
Pollution Control Division
time of the c e. ' ision 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 following information 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, Part B, Section II.A.4)
Annual Limits:
Facility AIRS Tons per Year
Equipment ID Point NO VOC CO Emission Type
Flare 010 3.7 31 20.4 Point
See "Notes to Permit Holder"for information on emission factors and methods used to calculate
limits.
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.)
Facility AIRS Pollutants
Equipment Point Control Device Controlled
ID
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Flare 0VOC
PROCESS LIMITATIONS AND RECORDS
9. 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
Equipment Point Process Parameter Annual Limit
ID
Flare 010 Gas Vented from Separator 85 MMSCF
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 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 XVI1.B.1.c shall have no visible emissions. (Reference: Regulation
No. 1, Section II.A.1. &4.)
12. This source is subject to the odor requirements of Regulation No. 2. (State only
enforceable)
OPERATING & MAINTENANCE REQUIREMENTS
13. 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
14. Point 010: 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,
ethylbenzene, xylenes, n-hexane, and 2,2,4-trimethylpentane content (weight fraction) of
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olo epa en Ii ealth and Environment
D it Pollution Control Division
this emission it • . Re f 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.
15. Point 010: The owner or operator shall demonstrate compliance with opacity standards,
using EPA Method 22 to measure opacity from the flare. (Reference: Regulation No. 1,
Section II.A.1 &4)
Periodic Testing Requirements
ADDITIONAL REQUIREMENTS
16. 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 (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.
f. Within 14 calendar days of commencing operation of a permanent replacement
engine under the altemative operating scenario outlined in this permit as
Attachment A. The APEN shall include the specific manufacturer, model and
serial number and horsepower of the permanent replacement engine, the
appropriate APEN filing fee and.a cover letter explaining that the owner or
operator is exercising an altemative-operating scenario and is installing a
permanent replacement engine.
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olor Depa en P Ii Health and Environment
it Pollution Control Division
17. Federal regul- : ..r is ' NAN 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).
For facilities that are synthetic minor to Title V (OP), PSD, or NANSR or a combination of
Federally-enforceable programs.
18. MACT Subpart HH - National Emission Standards for Hazardous Air Pollutants From Oil
and Natural Gas Production Facilities major stationary source requirements shall apply
to this stationary source at any such time that this stationary source becomes major
solely by virtue of a relaxation in any permit limitation and shall be subject to all
appropriate applicable requirements of Subpart HH. (Reference: Regulation No. 8, Part
E)
Delete this condition if facility not syn minor for MACT HH
GENERAL TERMS AND CONDITIONS
19. 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.
20. 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.
21. 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.
22. 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.
23. 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
AIRS ID: 123/9A73 Page 5 of 8
Depa en li ealth and Environment
it Pollution Control Division
Control AdaDolor
f ' Q ' Vol ission (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.
24. 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.
25. 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:
David Thompson
Permit Engineer
Permit History
Issuance Date Description
Issuance 1 This Issuance Issued to Noble Energy, Inc.
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Dolor Depa en li Health and Environment
it Pollution Control Division
Notes to Permit Holder :'" - me o e an .
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.gov/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 Rate emissions Emission Rate
Point Pollutant CAS# (Ib/yr) reportable? (Ib/yr)
010 Benzene 71432 10182 Yes 509
010 n-Hexane 110543 30461 Yes 1523
010 Toluene 108883 10182 Yes 509
010 Ethylbenzene 100414 5091 No 255
010 Xylenes 1330207 5091 No 255
5) The emission levels contained in this permit are based on the following emission factors:
Point 010:
Weight Emission Emission
Fraction of Factors Factors Source
Pollutant Gas(%) Uncontrolled Controlled
lb/MMscf lb/MMscf
NOx
QbIMMBTU) --- 0.068 0.068 AP-42
(Ib/
CO ---(Ib/MMBTU) 0.37 0.37 AP-42
VOC 24.38 14.6 0.73 Gas Analysis
Benzene 0.2 0.12 0.006 Gas Analysis
Toluene 0.2 0.12 0.006 Gas Analysis
Ethylbenzene 0.1 0.06 0.003 Gas Analysis
Xylenes 0.1 0.06 0.003 Gas Analysis
n-hexane 0.6 0.6 0.03 Gas Analysis
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Dolor epa en li ealth 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 tens 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 of:
VOC, HAPs
NANSR Synthetic Minor of:
VOC, HAPs,
MACT HH Major Source Requirements: Not Applicable
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.QPoaccess.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 7777-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: htto://www.colorado.gov/oacifiGcdohe/air-permit-self-certification
AIRS ID: 123/9A73 Page 8 of 8
Division Information
Engineer: David Thompson
Control Engineer: Chris Laplante
Review Date: 11/06/2014
Application Date: 06/21/2013
Facility Identifiers
Permit No. 13WE2323
AIRs County# 123 Weld
Facility# 9A73
Facility Type: exploration and production facility
❑� Located in the 8-hour non-attainment area? O True Minor
@ Synthetic Minor for: l VOC r NOx r CO
Administrative Information
Company Name: Noble Energy, Inc.
• Source Name: Wells Ranch Sec 14 Econode
Source Location: SWSW Sec 14, T6N R63W
SIC: 1311
Address 1: Noble Energy, Inc.
Mailing
Address Address 2: 1625 Broadway, Suite 2200
4 Zi
p:Zi : Denver, CO 80202
Name: Taryn Phillips
Person To Phone: 303-228-4362
Contact Fax: 000-000-0000
Email: tphillips@nobleenergyinc.com
'Requested Action
Self Certification Required? Yes
Issuance Number: 1
Source Description:
Oil and gas exploration and production facility known as the Wells Ranch Sec 14 Econode, located in the SWSW
Sec 14, T6N R63W,Weld County, Colorado.
Point Name Type Control Action
Newly
008 PW Water Tanks Flare reported
source
Newly
009 TLO Loadout Flare reported
source
Newly
010 Flare Separator Venting Flare reported
source
008 Six(6)500 bbl and two(2)60 bbl produced water storage tanks
Emissions Calculations
Requsted Throughput 300000 bbl
Control Flare
Efficiency 95.00%
Emissions Summary Table
Pollutant Emission Factor Uncontrolled Emissions Controlled Emissions Source
VOC 0.262 lb/bbl 39.3 tpy 1.965 tpy CDPHE
Benzene 0.007 lb/bbl 2100 lb/yr 105 lb/yr CDPHE
n-Hexane 0.022 lb/bbl 6600 lb/yr 330 lb/yr CDPHE
Regulatory Review
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, 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 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 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.
009 Truck Condensate Loadout
Calculations
L= 12.46*S*P*M/T(AP-42:Chapter 5.2, Equation 1)
L= loading losses in lb per 1000 gallons loaded
Factor Meaning Value Units Source
S Saturation Factor 0.6 AP-42
P True Vapor Pressure 6.9 psia Sales Oil Analysis
M_ Molecular Weight of Vac 62 lb/lb-mole AP-42
T Liquid Temperature 520 deg. R Field Data
L 6.15 lb/10^3 gal
2.58E-01 lb/bbl
Annual requested Throughput 2000000 BBL/yr
84000000 gal/yr
Annual requested VOC emissions 516638 lb/yr
258.32 tpy
Control: Flare
Efficiency: 95.00%
NCRPs
Component Mass Fraction
Benzene 0.0090
n-hexane 0.0160
Toluene 0.0130
Xylenes 0.0050
Source: Pressurized oil analysis
Emissions Summary Table
Pollutant Emission Factor Uncontrolled Emissions Controlled Emissions Source
V-OC 0.2583 lb/bbl 258.32 tpy 12.92 tpy AP-42
Benzene 0.0023 lb/bbl 4649.74 lb/yr 232.49 lb/yr AP-42
n-Hexane 0.0041 lb/bbl 8266.20 lb/yr 413.31 lb/yr AP-42
Toluene 0.0034 lb/bbl 6716.29 lb/yr 335.81 lb/yr AP-42
Xylenes 0.0013 lb/bbl 2583.19 lb/yr 129.16 lb/yr AP-42
Regulatory Review
'Regulation 7-Volatile Organic Compounds
This facility is not considered a bulk plant(in Reg. 7) because it does not distribute gasoline.
Separator controlled by a 40'flare stack.Flare has a minimum combustion efficiency of 95%. The flare is/is
010 not enclosed.
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
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/lb-mol)at 60F and 1 atm
Throughput(O) 85 MMscf/yr 9703.196347 scf/hr
MW 22.17 Ib/Ib-mol 0.232876712 MMscf/d
mole% MW Ibx/Ibmol mass fraction lb/hr Ib/yr In
Helium 000 4.0026 0.000 0.000 0.00 0.00 0.00
CO2 0.00 44.01 0.000 0.000 0.00 0.00 0.00
N2 0.00 28.013 0.000 0.000 0.00 0.00 0.00
methane 0.00 16.041 0.000 0.000 0.00 0.00 0.00
ethane 0.00 30.063 0.000 0.000 0.00 0.00 0.00
propane 0.00 44.092 0.000 0.000 0.00 0.00 0.00
isobutane 0.00 58.118 0.000 0.000 0.00 0.00 0.00
n-butane 0.00 58.118 0.000 0.000 0.00 0.00 0.00
isopentane 0.00 72.114 0.000 0.000 0.00 0.00 0.00
n-pentane 0.00 72.114 0.000 0.000 0.00 0.00 0.00
cydopentane 0.00 70.13 0.000 0.000 0.00 0.00 0.00
n-Hexane 0.00 86.18 0.000 0.000 0.00 0.00 0.00
cyclohexane 0.00 84.16 0.000 0.000 0.00 0.00 0.00
Other hexanes 0.00 86.18 0.000 0.000 0.00 0.00 0.00
heptanes 0.00 100.21 0.000 0.000 0.00 0.00 0.00
methylcyclohexane 0.00 98.19 0.000 0.000 0.00 ' 0.00 0.00
224-TMP 0.00 114.23 0.000 0.000 0.00 0.00 0.00
Benzene 0.00 78.12 0.000 0.000 0.00 0.00 0.00
Toluene 0.00 92.15 0.000 0.000 0.00 0.00 0.00
Ethylbenzene 0.00 106.17 0.000 0.000 0.00 0.00 0.00
Xylenes 0.00 106.17 0.000 0.000 0.00 0.00 0.00
Ce+Heavies 0.00 13]4837288 0 000 0.000 0.00 0.00 0.00
VOC mass frad 0.000 Total VOC(Uncontrolled) 0.00
Notes
Mole%,MW,and mass fractions from Critter Creek 2-03H gas analysis.
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.
Flaring Information
Equipment Description
Flare to combust produced gas until pipeline is available at this wellhead facility.
Manufacturer Tornado
Model 40'Flare Stack
Serial Number 12345878
Gas Heating Value 1299 Btu/sd
Throughput 110415 MMBtu/yr
VRU Information
Equipment Description
Engine to recompress gas to sales line.
Make
Model
Requested Control 100.00%
Annual Bypass Ti 50.00%
Backup Flare
Overall Control 95.00%
Combustion emission factor source: AP-42:Chapter 13.5
0.07 Ilb NOX/MMBtu 0.37 IIb CO/MMBtu
Emissions Summary Table
Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source
VOC 0.00 Ib/MMscf 0.00 lb/MMscf 619.40 tpy 31.00 tpy Gas Analysis
Nos 0.07 lb/MMBTU 0.07 Ib/MMBTU 3.75 tpy 3.75 tpy AP-42
CO 0.37 Ib/MMBTU 0.37 Ib/MMBTU 20.43 tpy 20.43 tpy AP.42
Benzene 0.00 lb/MMscf 0.00 lb/MMsd 0.00 lb/yr 0.00 lb/yr Gas Analysis
n-Hexane 0.00 lb/MMsd 0.00 lb/MMsd 0.00 lb/yr 0.00 lb/yr Gas Analysis
Toluene 0.00 lb/MMsd 0.00 lb/MMsd 0.00 lb/yr 0.00 lb/yr Gas Analysis
xylenes 0.00 lb/MMscf 0.00 lb/MMscf 0.00 lb/yr 0.00 lb/yr Gas Analysis
Ethylbenzene 0.00 lb/MMsd 0.00 lb/MMsd 0.00 lb/yr 0.00 lb/yr Gas Analysis
Regulatory Applicability
AOCC Regulation 1
This source is subject to the opacity requirements for flares in Section IIA5:'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 Rea,dation 2
Section IA 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"
COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT
AIR POLLUTION CONTROL DIVISION
FACILITY EMISSION SUMMARY
Noble Energy.Inc.
Wells Ranch Sec 14 EconaN
123/1423 S W S W Sec 14.TEN R631.4
Weld Count),
PTE-WITH ENFORCEABLE
CONTROLS PTE-UNCONTROLLED
POINT' Permit Description NOe VOC Fug CO Reporta Total NOx VOC Fug CO Report Total REMARKS
VOC ble NAP, VOC able HAP,
NAPS HAP,
008 I3WE2323 Water Tanks 20 363
ON I3WE2323 Laadoul 116 232.1
010 13W02322 Separator Venting ]8 310 20.4 3.8 6194 20.4
Total 3.8 44.8 0.0 20.4 00 0.0 3.8 890.8 0.0 20.4 0.0 0.0
Total Permuted 38 44.8 0.0 20.4 0.0 0.0
Page 7 of 10 Printed 11/14/2014
MOM Energy.Inc.
Welt Rnith See 14 EmrOEe
123/9A73 SWSW Sec 14.TON R93W
Weld Corry
MAR. Wr
Ca4WN0 Formaldehyde .40+411.Bse.On0 AaSeii Toluene Mann),Noes nllrare 224 TOW Medi DEA TOW IW.O TOW ITn)ran.nm
000 13WE2323 WSW Take 105 330 4350 02 OZ
009 13W32323 Loaded 209 3017 ' 1181 3714 9981 05 05
910 13WE2323 S.OW. Veil 0 0 0 0 0 00 0.0 00
0.0 0.0 0.0
0.0 0.0 0.0
0.0 00 00
00q 0.0 00
Od 00 00.
00 00 0.0
00 00 00
TOTAL 00 0.0 02 0.0 02 00 01 04 0.0 00 00 14331 07 0.7
'Red 004 Indicates emissions below de minimus levels
NAM IIMc
Une4rtad Formaldehyde brkEOee Beane Acroleln Toluene 004000444 Eylenes n-He at 224 TMP MMON DEA Taal 057471 Total(TM 4eewmm
900 13WE2323 War Twee 2100 0➢pQ 8700$ 4A 44
009 13WE2323 {gems 4178 80349 2321.1 74270 19 981 8 10.0 10.0
010 13WE2323 SSOOtlrWsmo 0 0 0 0 0 00 0.0 00
00 00 00
0.0 0.0 0.2
00 0.0 0.0
0.0 0,0 0.0
—
0.0 0.0 0.0
0 0 0.0 0.0
0.0 0.0 0.0
TOTAL 0.0 0.0 3.1 0.0 3.0 O.C 1.2 7.0 0.0 0.0 0.0 28581.0. 14.3 14.3
'Red rod 4dicalits emissions below de m4anus levels
AIRS (County/Plant) 123/9A73
Permit No. 13WE2323
Date 11/6/2014
Uncontrolled Emission
Point# SCC Pollutant or CAS Factor
008 40400315 VOC 6.238 lb/1000 ga
008 40400315 Benzene 0.167 lb/1000 qa
008 40400315 n-Hexane 0.524 lb/1000 qa
009 40600132 VOC 5.527 lb/1000 ga
009 40600132 Benzene 0.05 lb/1000 ga
009 40600132 n-Hexane 0.089 lb/1000 ga
009 40600132 Toluene 0.072 lb/1000 ga
009 40600132 Xylenes 0.028 lb/1000 ga
010 31000205 VOC 0 lb/MMscf
010 31000205 NOx 0.068 Ib/MMBTU
010 31000205 CO 0.37 Ib/MMBTU
010 31000205 Benzene 0 lb/MMscf
010 31000205 n-Hexane 0 lb/MMscf
010 31000205 Toluene 0 lb/MMscf
010 31000205 Ethylbenzene 0 lb/MMscf
010 31000205 Xylenes 0 lb/MMscf
Controlled Controlled
Actual Requested NCRP=
Emissions Emissions Ctrl. reportable
Emisison Factor Source (tpy)' (tpy)' PTE(tpy)* Eff% ?
CDPHE 2 39.3 95% Yes
CDPHE 105 2100 95% Yes
CDPHE 330 6600 95% Yes
AP-42 11.6 232.1 95% Yes
AP-42 208.9 4178 95% Yes
AP-42 371.4 7427.6 95% Yes
AP-42 301.7 6034.9 95% Yes
AP-42 116.1 2321.1 95% Yes
Gas Analysis 31 619.4 95% Yes
AP-42 3.8 3.8 0% Yes
AP-42 20.4 20.4 0% Yes
Gas Analysis 0 0 No
Gas Analysis 0 0 No
Gas Analysis 0 0 No
Gas Analysis 0 0 No
Gas Analysis 0 0 No
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