HomeMy WebLinkAbout20151531.tiff A COPHE COLORADO
CO • Department of Public
Health&Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
Weld County - Clerk to the Board
1150O St
PO Box 758 c c
Greeley, CO 80632 c Cc J VED
May 19, 2015 MAY 222015
COMMISS ONER
S
Dear Sir or Madam:
On May 20, 2015, the Air Pollution Control Division will begin a 30-day public notice period for Noble
Energy, Inc. - 11829400 (Wells Ranch AA35). 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,
/,, '
Clara Gonzales
Public Notice Coordinator
Stationary Sources Program
Air Pollution Control Division
Enclosure
2015-1531
4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov,cdphe -,:__ c9.
John W. Hickenlooper, Governor • Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer ;.„;. .,:..
CDPHE Air Pollution Control Division
CONotice of a Proposed Project or Activity Warranting Public
1O
Comment
Website Title: Noble Energy, Inc. - 11829400 (Wells Ranch AA35) - Weld County
Notice Period Begins: May 20, 2015
Notice is hereby given that an application for a proposed project or activity has been submitted to the
Colorado Air Pollution Control Division for the following source of air pollution:
Applicant: Noble Energy, Inc.
Facility: 11829400 (Wells Ranch AA35)
Oil and Gas Exploration and Production Facility
NWSW, Sec 35, T6N, R63W
Weld County
The proposed project or activity is as follows: The applicant proposes to permit equipment associated with
an oil and gas exploration and production facility. This permit covers fugitive emission leaks of volatile
organic compounds.
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 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 15WE0095 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:
Christian Lesniak
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B1
Denver, Colorado 80246-1530
cdphe.commentsapcd®state.co.us
STATE OF COLORADO
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LORAbs D T F PU: IC HEALTH AND ENVIRONMENT ,Qwo
AIR POLLUTION CONTROL DIVISION
TELEPHONE: (303) 692-3150 •
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CONSTRUCTION PERMIT
PERMIT NO: 1 5 YY E0095
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 11829400 (Wells Ranch
AA35-11, 12, 14), located in the NWSW Sec35 T6N R63W, Weld County, Colorado.
THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING:
Facility AIRS
Equipment Point Description
ID
Fugitive 004 Fugitive equipment leaks
Emissions
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
AIRS ID: 123/6715 Page 1 of 11
iii olor Depa en • P .li Health and Environment
Alk ^it Pollution Control Division
on which suc cti _ w--,. r led to -• ,=mence 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
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
Equipment ID Point NO VOC CO Emission Type
Fugitive 004 - 35.3 - Fugitive
Emissions
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.
7. Point 004: The operator shall calculate actual emissions from this emissions point based
on representative component counts for the facility with the most recent gas analysis, as
required in the Compliance Testing and Sampling section of this permit. The operator
shall maintain records of the results of component counts and sampling events used to
calculate actual emissions and the dates that these counts and events were completed.
These records shall be provided to the Division upon request.
PROCESS LIMITATIONS AND RECORDS
STATE AND FEDERAL REGULATORY REQUIREMENTS
8. 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. & 5.)
AIRS ID: 123/6715 Page 2 of 11
air`. a w ..
color Depa en; ' f P.. Ii&Health and Environment
it Pollution Control Division
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9. This source et &Labe
_ req; a .t e:. of Ratlation No. 2. (State only
enforceable)
10. Point 004: Minor sources in designated nonattainment or attainment/maintenance areas
that are otherwise not exempt pursuant to Section II.D. of Regulation No. 3, Part B, shall
apply Reasonably Available Control Technology (RACT) for the pollutants for which the
area is nonattainment or attainment/maintenance (Reference: Regulation No. 3, Part B,
III.D.2.a). This requirement to apply RACT shall be satisfied by installing/implementing
the following emission controls:
a. Directed Inspection & Maintenance as described below shall satisfy the
requirement to apply RACT.
i. Auditory/visual/olfactory inspection (AVO) will be performed on a
quarterly basis.
H. For each leak found in the AVO inspection, a gas detector may be
used to determine the size of the leak. The gas detector shall be
regularly calibrated. Component leaks greater than 10,000 ppm shall
be managed in accordance with Item (vi) below, unless it is unfeasible
to make the repair without shutting down the affected operation of the
facility. Component leaks less than 10,000 ppm shall not require
repair. For such component leaks that require a shutdown to be
repaired, repair shall occur during the first shutdown of the affected
operation after the leak is discovered.
iii. For repair, valves adjacent to the equipment to be repaired will be
closed if practicable, minimizing the volume released.
iv. Repaired components shall be re-screened using AVO to determine if
the leak is repaired.
v. The following records shall be maintained for a period of two years:
• The name of the site screened via AVO inspection and the
name of the inspector.
• Components evaluated with the gas detector.
• Repair methods applied.
• Dates of the AVO inspections, gas detector calibrations,
attempted repairs, successful repairs, repair delays, and post-
repair screenings.
vi. Leaks shall be repaired as soon as practicable, but no later than 15
calendar days after detection, unless it is technically or operationally
infeasible to make the repair within 15 calendar days. Records
documenting the rationale shall be maintained if it is technically or
operationally infeasible to make the repair within 15 calendar days.
11. Point 004: As of the compliance date specified in XVII.F.4, this source is subject to
Regulation No. 7, Section XVII.F. leak detection and repair requirements, which include
but are not limited to:
XVII.F.1. As of the compliance date specified in XVII.F.4, the provisions of Section
XVII.F. shall apply in lieu of any directed inspection and maintenance program
AIRS ID: 123/6715 Page 3 of 11
II olorl Depa en • P •li Health and Environment
' it Pollution Control Division
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i
requiro,., st 'ei - a , :ulatio mber 3, Part B, Section
III.D.2.
XVII.F.4. Requirements for well production facilities
XVII.F.4.b. Owners or operators of well production facilities constructed before October
15, 2014, must identify leaks from components using an approved instrument
monitoring method within ninety (90) days of the Phase-In Schedule in Table 4;
within thirty (30) days for well production facilities subject to monthly approved
instrument monitoring method inspections; or by January 1, 2016, for well
production facilities subject to a one time approved instrument monitoring method
inspection. Thereafter, approved instrument monitoring method and AVO
inspections must be conducted in accordance with the Inspection Frequencies in
Table 4.
XVII.F.4.c. The estimated uncontrolled actual VOC emissions from the highest emitting
storage tank at the well production facility determines the frequency at which
inspections must be performed.
Table 4—Well Production Facility Component Inspections
Thresholds (per
XVII.F.4.c)—Well
Production Facilities Approved Instrument AVO
with Storage Tanks Monitoring method Inspection Phase-In
(tpy) Inspection Frequency Frequency Schedule
> 0 and < 6 One time Monthly January 1, 2016
> 6 and c 12 Annually Monthly January 1, 2016
> 12 and ≤ 50 Quarterly Monthly January 1, 2015
> 50 Monthly January 1, 2015
XVII.F.5. If a component is unsafe, difficult, or inaccessible to monitor, the owner or
operator is not required to monitor the component until it becomes feasible to do
so.
XVII.F.6 Leaks requiring repair: Leaks must be identified utilizing the methods listed in
Section XVII.F.6. Only leaks detected pursuant to Section XVII.F.6. require repair
under Section XVII.F.7.
XVII.F.6.a. For EPA Method 21 monitoring, or other Division approved quantitative
instrument based monitoring, at facilities constructed before May 1, 2014, a leak
is any concentration of hydrocarbon above 2,000 parts per million (ppm) not
associated with normal equipment operation, such as pneumatic device actuation
and crank case ventilation, except for well production facilities where a leak is
defined as any concentration of hydrocarbon above 500 ppm not associated with
normal equipment operation, such as pneumatic device actuation and crank case
ventilation.
AIRS ID: 123/6715 Page 4 of 11
olor Depa elf P' li Health and Environment
it Pollution Control Division
XVII.F.6.c. Foy d rip V ; ng, o r Division approved non-
quantitative instrument based monitoring, a leak is any detectable emissions not
associated with normal equipment operation, such as pneumatic device actuation
and crank case ventilation.
XVII.F.6.e. For leaks identified using an approved instrument monitoring method or AVO,
owners or operators have the option of either repairing the leak in accordance
with the repair schedule set forth in Section XVII.F.7. or conducting follow-up
monitoring using EPA Method 21 within five (5) working days of the leak
detection. If the follow-up EPA Method 21 monitoring shows that the emission is
a leak as defined in Section XVII.F.6., the leak must be repaired and remonitored
in accordance with Section XVII.F.7.
XVII.F.7. Repair and remonitoring
XVII.F.7.a. First attempt to repair a leak must be made no later than five (5) working
days after discovery, unless parts are unavailable, the equipment requires
shutdown to complete repair, or other good cause exists. If parts are unavailable,
they must be ordered promptly and the repair must be made within fifteen (15)
working days of receipt of the parts. If shutdown is required, the leak must be
repaired during the next scheduled shutdown. If delay is attributable to other
good cause, repairs must be completed within fifteen (15) working days after the
cause of delay ceases to exist.
XVII.F.7.b. Within fifteen (15) working days of completion of a repair, the leak must be
remonitored to verify the repair was effective.
XVII.F.7.c. Leaks discovered pursuant to the leak detection methods of Section XVII.F.6.
shall not be subject to enforcement by the Division unless the owner or operator
fails to perform the required repairs in accordance with Section XVII.F.7.
XVII.F.8. Recordkeeping: The owner or operator of each facility subject to the leak
detection and repair requirements in Section XVII.F. must maintain the following
records for a period of two (2) years and make them available to the Division
upon request.
XVII.F.8.a. Documentation of the initial approved instrument monitoring method
inspection for new well production facilities;
XVII.F.8.b. The date and site information for each inspection;
XVII.F.8.c. A list of the leaking components and the monitoring method(s) used to
determine the presence of the leak;
XVII.F.8.d. The date of first attempt to repair the leak and, if necessary, any additional
attempt to repair the leak;
XVII.F.8.e. The date the leak was repaired;
XVII.F.8.f. The delayed repair list, including the basis for placing leaks on the list;
XVII.F.8.g. The date the leak was remonitored to verify the effectiveness of the repair,
and the results of the remonitoring; and
XVII.F.8.h. A list of components that are designated as unsafe, difficult, or inaccessible
to monitor, as described in Section XVII.F.5., an explanation stating why the
component is so designated, and the plan for monitoring such component(s).
AIRS ID: 123/6715 Page 5 of 11
ii,
olor Depa = en . P ..li Health and Environment
it Pollution Control Division
lir
XVII.F.9. Rep Wh e -ra . facil ...;_ •bject to the leak detection
and repair requirements in Section XVII.F. must submit reports as specified in
Section XVII.F.9.
OPERATING & MAINTENANCE REQUIREMENTS
12. This source is not required to follow a Division-approved operating and maintenance
plan.
COMPLIANCE TESTING AND SAMPLING
Initial Testing Requirements
13. Point 004: Within one hundred and eighty days (180) after issuance of this permit, the
owner or operator shall complete the initial extended gas analysis of gas samples that
are representative of volatile organic compound (VOC) that may be released as fugitive
emissions. This extended gas analysis shall be used in the compliance demonstration
as required in the Emission Limits and Records section of this permit. The operator shall
submit the results of the gas analysis and emission calculations to the Division as part of
the self-certification process to ensure compliance with emissions limits.
14. Point 004: Within one hundred and eighty days (180) after issuance of this permit, the
operator shall complete a hard count of components at the source and establish the
number of components that are operated in "heavy liquid service", "light liquid service",
"water/oil service" and "gas service". The operator shall submit the results to the
Division as part of the self-certification process to ensure compliance with emissions
limits.
Periodic Testing Requirements
15. Point 004: On an annual basis, the owner or operator shall complete an extended gas
analysis of gas samples that are representative of volatile organic compounds (VOC)
and hazardous air pollutants (HAP) that may be released as fugitive emissions. This
extended gas analysis shall be used in the compliance demonstration as required in the
Emission Limits and Records section of this permit.
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 30'" 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 V0C 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
AIRS ID: 123/6715 Page 6 of 11
IlI ;1; oior. a.Depa en. . P .li Health and Environment
I1 II:
it Pollution Control Division
Av
For soua.id,- -. ..more r -, ange 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.
GENERAL TERMS AND CONDITIONS
17. 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 11.8 upon a request for transfer of ownership
and the submittal of a revised APEN and the required fee.
18. 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.
19. 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.
20. 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.
21. 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
AIRS ID: 123/6715 Page 7 of 11
olor Depa en •Ii Health and Environment
it Pollution Control Division
permit, condit t- . -' s .e • it ted • .. 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.
22. 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.
23. 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: n , z s
,f rt /L'4 /f' .r
Christian Lesniak
Permit Engineer
Permit History
Issuance Date Description
Issuance 1 This Issuance Issued to Noble Energy, Inc.
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://www.colorado.gov/cs/Satellite?c=Document C&childpagename=CDPHE-
Main%2FDocument C%2FCBONAddLinkView&cid=1251599389641&paciename=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.
AIRS ID: 123/6715 Page 8 of 11
E
olor ' Depa en f P .Ii Health and Environment
L it Pollution Control Division
a,..er +aa i Un
Emission Are the Controlled
AIRS Rate emissions Emission Rate
Point Pollutant CAS # (lb/yr) reportable? (Ib/yr)
Benzene 71432 0 No 0
n-Hexane 110543 2489.1 Yes 2489.1
004 Toluene 108883 0 No 0
Ethylbenzene 100414 0 No 0
Xylenes 1330207 0 No 0
5) The emission levels contained in this permit are based on the following emission factors:
Point 004:
Component Gas Heavy Oil Light Oil Water/Oil
Connectors 1748 353 534 304
Flanges 274 0 65 10
Open-ended Lines 9 0 0 0
Pump Seals 0 0 3 0
Valves 755 118 454 114
Other 214 0 42 39
VOC Content(wt 0.253 1 1 1
fraction)
Benzene Content(wt. 0 0 0 0
fraction)
Toluene Content(wt. 0 0 0 0
fraction)
Ethylbenzene (wt. 0 0 0 0
fraction)
Xylenes Content(wt. 0 0 0 0
fraction)
n-hexane Content(wt. 0.009 0.035 0.035 0.035
fraction)
'Other equipment type includes compressors, pressure relief valves, relief valves, diaphragms,
drains, dump arms, hatches, instrument meters, polish rods and vents
AIRS ID: 123/6715 Page 9 of 11
olor-i Depa en •Ii Health and Environment
.it Pollution Control Division
jyl ,
TOC Emission Fa • c•
s
a ,...;;
Component Gas Service Heavy Oil Light Oil Water/Oil
Service
Connectors 2.0E-04 7.5E-06 2.1E-04 1.1E-04
Flanges 3.9E-04 3.9E-07 1.1E-04 2.9E-06
Open-ended Lines 2.0E-03 1.4E-04 1.4E-03 2.5E-04
Pump Seals 2.4E-03 NA 1.3E-02 2.4E-05
Valves 4.5E-03 8.4E-06 2.5E-03 9.8E-05
Other 8.8E-03 3.2E-05 7.5E-03 1.4E-02
Source: Standard EFs-EPA-453/R-95-017 Table 2-4
Compliance with emissions limits in this permit will be demonstrated by using the TOC emission
factors listed in the table above with representative component counts, multiplied by the VOC content
from the most recent gas analysis
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 True Minor
PSD or NANSR True Minor
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
AIRS ID: 123/6715 Page 10 of 11
I % olor Depa enl if P li Health and Environment
fir Pollution Control Division
MACT 63.14 5 • sS QA 'd 'uS tYYY•-
MACT 63.6580-63.8830 Subpart ZZZZ—Subpart MMMMM
MACT 63.8980-End Subpart NNNNN —Subpart XXXXXX
9) A self certification form and guidance on how to self-certify compliance as required by this permit may
be obtained online at: http://www.colorado.gov/pacific/cdphe/air-permit-self-certification
•
AIRS ID: 123/6715 Page 11 of 11
Division Information
Engineer: Christian Lesniak
Control Engineer: Stefanie Rucker
Review Date: 05/08/2015
Application Date: 12/19/2014
Facility Identifiers
Permit No. 15WE0095 Potentially located in ozone nonattainment area
AIRS County# 123 Weld
Facility# 6715
Facility Type: exploration and production facility
I]Located In the 8-hour non-attainment area? 0 True Minor
0 Synthetic Minor for: r VOC ,r NOx f CO
Administrative Information
Company Name: Noble Energy, Inc.
Source Name: 11829400 (Wells Ranch'AA35-11, 12, 14)
Source Location: NWSW Sec35 T6N R63W
SIC: 1311
Address 1: Noble Energy, Inc.
Mailing Address 2: 1625 Broadway, Suite 2200
Address
ty,State Zip: Denver. CO 80202
Name: Jaclyn Schaffner
Person To Phone: 720-587-2326
Contact Fax: 303-228-4280
Email: jschaffner@nobleenergyinc.com
'Requested Action
Self Certification Required? Yes
Issuance Number: 1
Source Description:
Oil and gas exploration and production facility known as the 11829400 (Wells Ranch AA35-11, 12, 14), located in the
NWSW Sec35 T6N R63W,Weld County, Colorado.
Point Name Type Control Action
Fugitive Newly
004 Fugitives None reported
Emissions
source
004 Fugitive equipment leaks
Regulation 7 Information
Operating Hours: 8760 hours/year
Note-This point was included in an application wall 4 other fugitive
Emission Factor Source Standard EFs-EPA-453/R-95-017 Table 2-4 permits.However,source Seal cancellaMn nmices for those 4
because they had met their phase in dale under Regulation 7.)(1/11F.
This site has not met its phase-in dale.Standard RACY will appear in
Control Efficiency Source: None permit,with an condition for Regulation 7 LDAR to be in effect once
phase-in date is met on January 1,2016
Calculations
Emission Factor tkg/hr- Emissions
Service Component Type Countsource) Control(%) Pollutant Mass Fraction (tpy)
Table 2-4 Table 2-8 Reg,3
Connectors 1748 2.00E-04 1.00E-05 00% VOC 0.253 14.059887
Flanges 274 3.90E-04 570E-06 0.0% Benzene 0 0
Open-Ended Lines 9 2.00E-03 1.50E-05 00% Toluene 0 0
Gas
Pump Seals 0 2.40E-03 3.50E-04 0.0% Ethytbenzene 0 0
Valves 755 4.50E-03 250E-05 0.0% %then 0 0
Other 214 8.80E-03 1.20E-04 0.0% n-Hexane 0009 0.5001541
Connectors 353 750E-06 750E-06 0.0% VOC 1 0.0351358
Flanges 0 3.90E-07 3.90E-07 00% Benzene 0 0
Heavy Oil Open-Ended Lines 0 1.406-04 7.20E-06 0 Toluene 0 0
Pump Seals 0 000E+0o OmE00 00% Ethylbenzene 0 0
Valves 118 840E-06 840406 0.0% XNenes 0 0
Other 0 3.20E-05 3.20405 00% n-Hexane 0.035 0.0012298
Connectors 534 2.10EM 970E-06 0.0% VOC 1 15.529886
Flanges 65 1.10E-04 2.40E-06 0 Benzene 0 0
Light OII Open-Ended Lines 0 1.40E-03 1.40E 05 00% Toluene 0 0
Pump Seals 3 130E-02 5.10E 04 0.0% Ethylbenzene 0 0
Valves 454 250403 1.90E-05 0 %Nerves 0 0
Other 42 750E-03 1.10E-04 00% n-Hexane 0035 0.543546
Connectors 304 110E-04 100E-05 0.0% VOC 1 5.7033169
Flanges 10 290E-06 2.90E-06 00% Benzene 0 0
Water/Oil Open-Ended Lines 0 250E-04 3.50E-06 00% Toluene 0 0
Pump Seals 0 240E-05 240E-05 0 Ethylbenzene 0 0
Valves 114 9.80E-05 970E-06 0.0% Xylene 0 0
Other 39 140E-02 5.90E-05 0.0% n-Hexane 0.035 0.1056181
Emissions Summary Table
Pollutant Uncontrolled Emissions Controlled Emissions Source
VOC 35.33 tpy 35.33(pa Standard EFs-EPA-453/R-95-017 Table 2-4
Benzene 0.00 lb/yr 0.00 lbM Standard EFs-EPA-453/R-95017 Table 2-4
Toluene 0.00 lb/yr 000 Ib/yr Standard EFs-EPA-453/R-95-017 Table 2-4
Ethylbenzene 000 lb/yr 0.00 lb/yr Standard EFs-EPA-453/R-95-017 Table 24
Xytenes 0.00 lb/yr 0.00 lbryr Standard EFs-EPA-453/R-95-017 Table 2-4
n-Hexane 2489.09 lb/yr 2489.09 lbM Standard EFs-EPA-453/R-95-017 Table 2-4
Regulatory Applicability
Reg.3 Review Regulation 3,Part B,Section It 02 to determine is RACY is required? Yes
Reg.6 Review 40 CFR.Part 60,Subpart KKK to determine if applicable to this source? No
Review 40 CFR.Part 60,Subpart 0000 to determine if 60.5380 and/or 603385 is applicable? No
Reg.7 Review Section XVII.F to determine is WAR is applicable? No-Phase-in 1/1/2016 says source
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