HomeMy WebLinkAbout20171726COLORADO
Department of Public
Health ft Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
Weld County - Clerk to the Board
1150O St
PO Box 758
Greeley, CO 80632
May 31, 2017
Dear Sir or Madam:
RECEIVED
JUN 0 2 2017
WELD COUNTY
COMMISSIONERS
On June 1, 2017, the Air Pollution Control Division will begin a 30 -day public notice period for Noble
Energy, Inc - Cougar T5N-R64W-S2 L01 Ft Feuerstein T6N-R66W-528 L01. 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
4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe
John W. Hickentooper, Governor ( Larry Wolk, MD, MSPH, Executive Director and Chief Medical Officer
�c�bl iG Re / €t-
Co(t /
cc, PLCencr (-rP), rtLCPB),
PcuCE RtC 4-I IJ'm/CtC)
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2017-1726
Air Pollution Control Division
Notice of a Proposed Project or Activity Warranting Public
Comment
Website Title: Noble Energy, Inc - Cougar T5N-R64W-S2 L01 Et Feuerstein T6N-R66W-S28 L01 - Weld County
Notice Period Begins: June 1, 2017
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: Cougar T5N-R64W-S2 L01 Et Feuerstein T6N-R66W-S28 L01
Two (2) oil and gas production facilities
NWNW Sec. 2, T5N, R64W Et SWNW Sec. 28, T6N, R66W
Weld County
The proposed project or activity is as follows: Flaring of gas from a vapor recovery tower (VRT).
The Division has determined that this permitting action is subject to public comment per Colorado
Regulation No. 3, Part B, Section III.C due to the following reason(s):
• the source is requesting a federally enforceable limit on the potential to emit in order to avoid other
requirements
The Division has made a preliminary determination of approval of the application.
A copy of the application, the Division's analysis, and a draft of Construction Permits 17WE0255 Et 17WE0261
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:
Bradley Eades
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B1
Denver, Colorado 80246-1530
cdphe.commentsapcd@state.co.us
COLORADO
1 I �' '11:t�:"h,:
Healxhfrknuisanmertt
Colorado Air Permitting Project
Project Details
Review Engineer:
Package #:
Received Date:
Review Start Date:
Section 01 - Facility Information
Bradley Eades
359482
3/13/2017
5/9/2017
Company Name:
County AIRS ID:
Plant AIRS ID:
Facility Name:
Physical Address/Location:
Type of Facility:
What industry segment?
Is this facility located in a NAAQS non -attainment area?
If yes, for what pollutant? D arbon Monoxide (CO)
Noble Energy Inc.
123
9DOC
Cougar T5N-R64W-S2 LO1
NWNW quadrant of Section 2, Township 5N, Range 64W, in Weld County, Colorado
Exptc
Weld
Quadrant
Section
Township
Range
5N;,.
Section 02 - Emissions Units In Permit Application
ProductiorkWelt Pad
s Production & Processing
Yes
particulate Matter (PM)
00zone (NOx & VOC)
AIRS Point #
Emissions Source Type
Equipment
Name
Emissions
Control?
Permit #
Issuance #
Self Cert
Required?
Action
Engineering
Remarks
008
Vapor Recovery Tower (VRT)
VRT
Yes:
17W E0255
1
Yes
Permit Initial
Issuance
Section 03 - Description of Project
New permit for an exisiting E&P facility in the non -attainment area of Weld County. Source has removed the Vapor Recovery Unit(s) (VRU) compressors from the
facility and will route all (previously recycled) vapor recovery tower (VRT) vapors to the "VOC Burner" (enclosed combustor).
Section 04 - Public Comment Requirements
Is Public Comment Required?
If yes, why?
Yes
Reque ngSyntheticMblur Permit
Section 05 - Ambient Air Impact Analysis Requirements
Was a quantitative modeling analysis required? No
If yes, for what pollutants?
If yes, attach a copy of Technical Services Unit modeling results summary.
Section 06 - Facility -Wide Stationary Source Classification
Is this stationary source a true minor? No
Is this stationary source a synthetic minor? Yes
If yes, indicate programs and which pollutants: 502 NOx CO VOC PM2.5 PM10 TSP HAPs
Prevention of Significant Deterioration (PSD) [Ti ❑ ❑ 0 ❑ ❑
Title V Operating Permits (OP) ❑ 0 0 0 0 0 0 0
Non -Attainment New Source Review (NANSR) ❑ ❑
Is this stationary source a major source?
If yes, explain what programs and which pollutants here: SO2 NOx CO VOC PM2.5 PM10 TSP HAPs
Prevention of Significant Deterioration (PSD) ❑ ❑ ❑ ❑ ❑ ❑
Title V Operating Permits (OP) 0 0 000 ❑ 0 0
Non -Attainment New Source Review (NANSR) ❑ ❑
Condensate Storage Tank(s) Emissions Inventory
Section 01- Administrative Information
'Facility AIRs ID:
123 9DOC
County Plant
008
8t
Section 02 - Equipment Description Details
Detailed Emissions Unit Description: Ventbtgofgasham a vapor recovery tower (VRT).
Emission Control Device Description: Emissions from the VRT are routed to an enclosed combustor
95 <' %
Requested Overall VOC & HAP Control Efficiency %:
Separator Equipment
Type of separator
Will gas be metered:
Section 03 - Processing Rate Information for Emissions Estimates
Primary Emissions - Separator
Maximum vent rate =
Requested Permit Limit Throughput
760.0: scf/hr
100,010.: Barrels (bbl) per year
Potential to Emit (PTE) Throughput = 100,010 Barrels (bbl) per year
Gas
Process Control (Recycling)
VRU:
VRU operation:
Section 04 - Emissions Factors & Methodologies
Control Efficiency %
%bypass (annual)
2719.29: Btu/scf
Potential Process Parameters:
Gas Recycled: 0.0 MMscf/yr
Gas Routed to Control: 6.7 MMscf/yr
Description
The vapor recovery tower is looted downstream of an inlet (high pressure) separator and low pressure separator where the liquids undergo gas/liquid separation prior to
the VRT. A pressurized liquid sample was taken from the inlet separator at 100 psig; 90.3 deg F (sampled: 2/15/2017) and modeled, using ilYSY5 Ver 8� through the tP
separator and subsequently the VRT The mass fractions, molecular weight (MW), and vent rate are derived front the modeled VRT gas strearm "VIII Vapors to Burner".
Input Parameters
Modeled Liquid Throughput
(If applicable)
Separator Pressure
Separator Temperature
4.0- Barrels (bbl) per day
1000 psig
90.3. deg F
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
0 = Volumetric flow rate/volume of gas processed
MW = Molecular weight of gas = SG of gasMW of air
Xx = mass fraction of x in gas
C = molar volume of ideal gas (379 scf/Ib-mol) at 601 and 1 atm
Maximum Vent Rate
760.0
scf/hr
66.6
scf/bbl
Throughput (0)
6.7
MMscf/yr
764.8401826
scf/hr
MW
.46.67:
Ib/Ib-mod
0.018356164
MMscf/d
mass fraction (%)
lb/hr
lb/yr
tpy
Helium
0.0000
0.00
0.00
CO2
0.79
0.7740
6780.24
3.39
N2
0.14
0.1386
1214.14
0.61
methane
0.94
09171
8033.80
4.02
ethane
13.03
12.7200
111427.20
55.71
propane
33.27
32.4884
284598.38
142.30
isobutane
7.08
6.9539
60915.83
30.46
n -butane
21.18
20.8027
182231.27
91.12
isopentane
5.72
5.6181
49214.49
24.61
n -pentane
7.41
7.2780
63755.13
31.88
cyclopentane
4.87
4.7832
41901.15
20.95
n -Hexane
2.74
2.6788
23466.29
11.73
cyclohexane
0.0000
0.00
0.00
Other hexanes
0.0000
0.00
0.00
heptanes
1.71
1.6795
14712.72
7.36
methylcyclohexane
0.0000
0.00
0.00
224-TMP
0.1
0.0995
871.62
0.44
Benzene
< 0.42
0.4061
3557.44
1.78
Toluene
0.2
0.1979
1733.60
0.87
Ethylbenzene
....0.01
0.0054
47.30
0.02
Xylenes
0.07
0.0547
479.17
0.24
CS+ Heavies
0.34
0.3370
2952.12
1.48
Total
VOC wt %
100.0
85.12
Total VOC (Uncontrolled) 365.22
Note: lb/hr emission rates in the table above are based on 8760 hr/yr venting and requested gas volume
2 of 4
K:\PA\2017\17W E0255.CP1.xlsm
Condensate Storage Tank(s) Emissions Inventory
Emission Factors
Emission Factors
Separator Venting
Pollutant
VOC
Benzene
Toluene
Ethylbenzene
Xylene
n -Hexane
224 TMP
Uncontrolled Controlled
(lb/bbl) (lb/bbl) Emission Factor Source
(Liquid
Throughput)
7.279
0.036
0.017
0.000
0.0048
0.235
0.009
(Liquid
Throughput)
0.000
Separator Venting
Pollutant
Uncontrolled Controlled
(Ib/MMscf) (Ib/MMsef)
(Wet Gas (Wet Gas
Throughput) Throughput)
VOC
Benzene
Toluene
Ethylbenzene
Xylene
n -Hexane
224 TMP
Pollutant
Uncontrolled/Controlled
(Ib/lhVOC) (lb/bbl)
(Waste Heat
Combusted)
PM10
PM2.5
NOx
CO
0.
0.0094..
37
(Waste Gas
Combusted)
0.0014
0,0269
0.0684
Section 05 - Emissions Inventory
Secondary Emissions from Combustion
Emission Factor Source
(Ih/MMscf)
(Waste Heat
Combusted)
20.3947 ?.
Criteria Pollutants
Potential to Emit
Uncontrolled
(tons/year)
..., ::.
- .
., ..
Requested Permit Limits
Uncontrolled Controlled
(tons/year) (tons/year)
VOC
PM10
PM2.5
NOx
CO
364.0
364.00
18.20
0.1
0.07
0.07
0.1
0.07
0.07
1.3
1.35
1.35
3.4
3.42
3.42
Hazardous Air Pollutants
Potential to Emit
Uncontrolled
(tons/year)
- -
.... ..
Requested Permit Limits
Uncontrolled Controlled
(tons/year) (tons/year)
Requested Permit Limits
Uncontrolled Controlled
(Ibs/year) (lbs/year)
Benzene
Toluene
Ethylbenzene
Xylene
n -Hexane
224 TMP
1.7787
1.78
0.09
3557
178
0.8668
0.87
0.04
1734
87
0.0237
0.02
0.00
47
2
0.2396
0.24
0.01
479
24
11.7331
11.73
0.59
23466
1173
0.4358
0.44
0.02
872
44
Section 06- Regulatory Summary Analysis
Regulation 3, Parts A, B
Regulation 7, Section XVII.B, G
Regulation 7, Section XVII.B.2.e
(See regulatory applicability worksheet for detailed analysis)
APEN Required, Permit Required
Source is subject to XVII.G. and therefore control requirements per XVII.B
Source is not subject to alternative emission control requirements
3 of 4 K:\PA\2017\17WE0255.CP1.xlsm
Condensate Storage Tank(s) Emissions Inventory
Section 07 - Initial and Periodic Sampling and Testing Requirements
Does the company use site specific emission factors based on a gas sample to estimate emissions?
If yes, are the emissions factors based on an gas sample drawn at the facility and from the equipment being permitted? This
sample should be considered representative which generally means site -specific and collected within one year of the application
received date. However, if the facility has not been modified (e.g., no new wells brought on-line), then it may be appropriate to use
an older site -specific sample.
If no, the permit will contain an "Initial Compliance" testing requirement to collect a site -specific sample and conduct an emission factor analysis to demonstrate
that the emission factors are less than or equal to the emissions factors established with this application.
Does the company use site specific emission factors based on a pressurized liquid sample and process
simulation to estimate emissions?
If yes, are the emissions factors based on an pressurized liquid sample drawn at the facility and from equipment located upstream
of the permitted equipment? This sample should be considered representative which generally means site -specific and collected
within one year of the application received date. However, if the facility has not been modified (e.g., no new wells brought on-line),
then it maybe appropriate to use an older site -specific sample.
If no, the permit will contain an "Initial Compliance" testing requirement to collect a site -specific liquid sample and conduct an emission factor analysis to
demonstrate that the emission factors are less than or equal to the emissions factors established with this application.
Does the company request a control device efficiency greater than 95% for a flare or combustion device? i?v
If yes, the permit will contain and initial compliance test condition to demonstrate the destruction efficiency of the combustion device based on inlet and outlet concentration sampling
Section 08 - Technical Analysis Notes
' Source has provided emission estimation based on a site -specific pressurized liquid sample analysis. As such, therewill beano initial sampling requirements with this permit.
`Source indicated that the date of first production from the most recently completed or recompleted welt is 4/30/14 therefore, this source is not subject to Reg 7 Section 0V11.6,
Section 09 - Inventory SCC Coding and Emissions Factors
AIRS Point # Process # SCC Cade
008 01
Uncontrolled
Emissions
Pollutant Factor Control% Units
PM10 0.03 0 Ib/1000gal liquid througput
PM2.5 0.03 0 Ib/1000gal liquid througput
NOx 0.64 0 lb/1000gal liquid througput
VOC 173.31 95 lb/1000gal liquid througput
CO 1.63 0 lb/1000gal liquid througput
Benzene 0.85 95 Ib/1000gal liquid througput
Toluene 0.41 95 Ib/1000gal liquid througput
Ethylbenzene 0.01 95 Ib/1000gal liquid througput
Xylene 0.11 95 lb/1000gal liquid througput
n -Hexane 5.59 95 lb/1000gal liquid througput
224 TMP 0.21 95 Ib/1000gal liquid througput
4 of 4
K:\PA\2017\17 W E0255.CP1.xlsm
Permit number:
Date issued:
Issued to:
ADO
n Contro
t Heal
CONSTRUCTION PERMIT
17WE0255
Facility Name:
Plant AIRS ID:
Physical Location:
County:
General
Description:
Issuance: 1
Noble Energy, Inc.
Cougar T5N-R64W-S2 L-01
123/9DOC
NWNW SEC 2 T5N R64W
Weld County
Well Production Facility
Equipment or activity subject to this permit:
Facility
Equipment
ID
AIRS
Point
Equipment Description
Emissions Control
Description
VRT
008
Venting of gas from one (1) Vapor Recovery
Tower (VRT)
Enclosed Combustor
("VOC Burner")
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 this specific 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 of the
latter of commencement of operation or issuance of this permit, by submitting a Notice of
Startup form to the Division for the equipment covered by this permit. The Notice of Startup
form may be downloaded online at www.colorado.gov/pacific/cdphe/other-air-permitting-
notices. Failure to notify the Division of startup of the permitted source is a violation of Air
Quality Control Commission (AQCC) Regulation Number 3, Part B, Section III.G.1. and can result
in the revocation of the permit.
2. Within one hundred and eighty days (180) of the latter of commencement of operation or 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. A self certification form and guidance on how to self -certify compliance as required by
this permit may be obtained online at www.colorado.gov/pacific/cdphe/air-permit-self-
certification. (Regulation Number 3, Part B, Section III.G.2.)
COLORADO
Air Pollution Control Division
Page 1 of 7
3. expi - er or oper, 'or .= e source
tion/modif . , , •peration
ce of t constr( on per
was s•uled commens set
... s cons
ae• with thi"` • - (ii) .
more; (iii) does not complete construction within a reasonable time of the estimated completion
date. The Division may grant extensions of the deadline. (Regulation Number 3, Part B, Section
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. (Regulation
Number 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. (Regulation Number 3, Part
B, Section II.A.4.)
Annual Limits:
s permit s
does not c
er either,
stru
this permi :,.s issued:
ource withi 8 months
or the date on ich such
th in the perms « i..lication
od of eigh - ` the or
Facility
Equipment ID
AIRS
Point
Tons per Year
Emission
Type
PM2.5
NO.
VOC
CO
VRT
008
---
1.4
18.2
3.5
Point
Note: 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 not exceed 8.0 tons per
year.
Facility -wide emissions of total hazardous air pollutants shall not exceed 20.0 tons per year.
The facility -wide emissions limitation for hazardous air pollutants shall apply to all permitted
emission units at this facility.
Compliance with the annual limits, for both criteria and hazardous air pollutants, 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
actual emissions each month and keep a compliance record on site or at a local field office with
site responsibility for Division review.
7. The emission points in the table below shall be operated and maintained with the emissions
control equipment as listed in order to reduce emissions to less than or equal to the limits
established in this permit. (Regulation Number 3, Part B, Section III.E.)
Facility
Equipment ID
AIRS
Point
Control Device
Pollutants
Controlled
VRT
008
Emissions from the VRT are routed to an
enclosed combustor
VOC and HAP
COLORADO
Air Pollution Control Division
L -E f_rurwc;t
Page 2 of 7
8.
be h ed t ;- a followi
ctual cessi tes sh be main
he Di•g,=:inspeque
Process Limits
s listed be . Monthly
owner or operat .nd made
ber 3, Par
Facility
Equipment ID
AIRS
Point
Process Parameter
Annual Limit
VRT
008
Liquid Throughput
100,010 bbl/yr
Compliance with the annual throughput limits shall be determined on a rolling twelve (12) month
total. By the end of each month a new twelve-month total is calculated based on the previous
twelve months' data. The permit holder shall calculate throughput each month and keep a
compliance record on site or at a local field office with site responsibility, for Division review.
9. The owner or operator must use monthly condensate/crude oil throughput records, calculation
methods detailed in the O&M Plan, and the emission factors established in the Notes to Permit
Holder to demonstrate compliance with the process and emissions limits specified in this permit.
STATE AND FEDERAL REGULATORY REQUIREMENTS
10. The permit number and ten digit AIRS ID number assigned by the Division (e.g. 123/4567/001)
shall be marked on the subject equipment for ease of identification. (Regulation Number 3, Part
B, Section III.E.) (State only enforceable)
11. 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 Number 1, Section II.A.5.)
12. This source is subject to the odor requirements of Regulation Number 2. (State only enforceable)
OPERATING Et MAINTENANCE REQUIREMENTS
13. Upon startup of these points, the owner or operator shall follow the most recent operating and
maintenance (OEM) 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
the OEtM plan are subject to Division approval prior to implementation. (Regulation Number 3,
Part B, Section III.G.7.)
COMPLIANCE TESTING AND SAMPLING
Initial Testing Requirements
14. This source is not required to conduct initial testing, unless otherwise directed by the Division or
other state or federal requirement.
Periodic Testing Requirements
15. This source is not required to conduct periodic testing, unless otherwise directed by the Division
or other state or federal requirement.
ADDITIONAL REQUIREMENTS
16. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Regulation Number 3, Part A, II.C.)
• 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
COLORADO
Air Pollution Control Division
c;;r.,.:, Page 3 of 7
€
mpounds ( ,. �. �� nitrogen ��•es �_.ources (N• .. in ozone
nmen eas ting les ;, an 10. ns of V ,,� .or NO, per year, `change in
actual fission one - ; ton per or mo P �� or five percent chever is
greater, ab. evel • • • • the la
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.
• Whenever there is a change in the owner or operator of any facility, process, or activity;
or
• Whenever new control equipment is installed, or whenever a different type of control
equipment replaces an existing type of control equipment; or
• Whenever a permit limitation must be modified; or
• No later than 30 days before the existing APEN expires.
17. Federal regulatory program requirements (i.e. PSD, NANSR) 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 Number 3, Parts C and 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
Number 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 Number 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
COLORADO
Air Pollution Control Division
Page 4 of 7
nce Q =" shall be d • nied ab in t , T permit ma e revoked
to s a tion and fi ation by it ollution Co •1 Division
ds searth i e Color . Air Qu Contra' ct and regulatio .f the Air
Corn (AEA Intl ing failurmeet express term or dition of
milt. If the r �.enie , onditi.' ""'"o • >r.'•° a permit a ted 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:
Bradley Eades
Permit Engineer
Permit History
Issuance
Date
Description
Issuance 1
This Issuance
Issued to Noble Energy, Inc.
COLORADO
Air Pollution Control Division
Page 5 of 7
Notes tpermit iss
1) The requi to ees for thtime fo s pe it. An invo for these
fee ssued e permi lder sh .„, •ay the invoice w n 30 days
e invure ,5� .. = invoi evocation ermit.
(Regulation Number 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: https://www.colorado.gov/pacific/cdphe/aqcc-regs
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.
rmit Hold
rmit holde
II be issues
Facility
Equipment ID
AIRS
Point
Pollutant
CAS #
Uncontrolled
Emissions
(lb/yr)
Controlled
Emissions
(lb/yr)
VRT
008
Benzene
71432
3557
178
Toluene
108883
1734
87
Ethylbenzene
100414
47
2
Xylenes
1330207
479
24
n -Hexane
110543
23467
1174
2,2,4
Trimethylpentane
540841
872
44
Note: All non -criteria reportable pollutants in the table above with uncontrolled emission rates above 250 pounds
per year (lb/yr) are reportable and may result in annual emission fees based on the most recent Air Pollution
Emission Notice.
5) The emission levels contained in this permit are based on the following emission factors:
Point 008:
CAS #
Pollutant
Uncontrolled
Emission Factors
(lb/bbl)
Controlled
Emission Factors
(lb/bbl)
Source
V0C
7.279
0.364
HYSYS Version 8.6
71432
Benzene
0.036
0.002
108883
Toluene
0.017
0.001
110543
n -Hexane
0.235
0.012
1330207
Xylenes
0.005
0.000
Note: The controlled emissions factors for this point are based on the combustor 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
COLORADO
Air Pollution Control Division
Put€
Page 6 of 7
APE
the
ass
at
hall be sub
st recent a
ted with t.i
-69 .-
7) This facility is classified as follows:
30 days b a five-year
determl, expirati
uestions <;-2ardina : '.. •ecific
ires. Pleas " fer to
r each emi .ns point
ration date call F, = Division
Applicable
Requirement
Status
Operating Permit
Synthetic Minor Source of:
VOC, n -Hexane, Total HAPs
NANSR
Synthetic Minor Source of:
VOC
8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be
found at the website listed below:
http://ecfr.gpoaccess.gov/
Part 60: Standards of Performance for New Stationary Sources
NSPS
60.1 -End
Subpart A - Subpart KKKK
NSPS
Part 60, Appendixes
Appendix A - Appendix I
Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories
MACT
63.1-63.599
Subpart A - Subpart Z
MACT
63.600-63.1199
Subpart AA - Subpart DDD
MACT
63.1200-63.1439
Subpart EEE - Subpart PPP
MACT
63.1440-63.6175
Subpart QQQ - Subpart YYYY
MACT
63.6580-63.8830
Subpart ZZZZ - Subpart MMMMM
MACT
63.8980 -End
Subpart NNNNN - Subpart XXXXXX
COLORADO
Air Pollution Control Division
Page 7 of 7
Colorado Air Permitting Project
Project Details
Review Engineer:
Package #:
Received Date:
Review Start Date:
Section 01- Facility Information
Company Name:
County AIRS ID:
Plant AIRS ID:
Facility Name:
Physical Address/Location:
Type of Facility:
What industry segment?
Is this facility located in a NAAQS non -attainment area? Yes
If yes, for what pollutant? DCarbon Monoxide (CO) [particulate Matter (PM)
Bradley Eades
359490
3/13/2017
5/5/2017
Noble Energy Inc.
123
9BF5
Feuerstein T6N-R66W-S28 101.
SWNW quadrant of Section 28, Township 6N, Range 66WW, in Weld County, Colorado
Exploration 8t Production Well Pad
Oil & Natural Gas Production & Process
Weld
Quadrant
Sectior(
Township
Range
66W
Section 02 - Emissions Units In Permit Application
00zone (NOx & vOC)
AIRs Point #
Emissions Source Type
Equipment
Name
Emissions
Control?
Permit #
Issuance #
Self Cert
Required?
Action
Engineering
Remarks
015
Vapor Recovery Tower(VRT)
VRT
Yes
17WE026]
1
Yes "
Permit Initial
Issuance
Section 03 - Description of Project
New permit for an exisiting E&P facility in the non -attainment area of Weld County. Source has removed the Vapor Recovery Unit(s) (VRU) compressors
from the vapor recovery towers (VRT)and will route all generated vapors to the "V0C Burner" (enclosed combustor).
Section 04 - Public Comment Requirements
Is Public Comment Required? Yes
If yes, why? Requesting Synthetic Minor Permit
Section 05 - Ambient Air Impact Analysis Requirements
Was a quantitative modeling analysis required? Nn
If yes, for what pollutants?
If yes, attach a copy of Technical Services Unit modeling results summary.
Section 06 - Facility -Wide Stationary Source Classification
Is this stationary source a true minor?
Is this stationary source a synthetic minor?
If yes, indicate programs and which pollutants:
Prevention of Significant Deterioration (PSD)
Title V Operating Permits (OP)
Non -Attainment New Source Review (NANSR)
Is this stationary source a major source?
If yes, explain what programs and which pollutants here:
Prevention of Significant Deterioration (PSD)
Title V Operating Permits (OP)
Non -Attainment New Source Review (NANSR)
5O2 NOx CO VOC
❑ ❑ ❑ ❑
❑ ❑ ❑ o
❑ O
SO2
NOx
CO VOC
❑ ❑ ❑
❑ O
PM2.5 PM10 TSP HAPs
❑ ❑
❑ ❑ ❑ ❑
PM2.5 PM10 TSP HAPs
❑ ❑
❑ ❑ ❑ O
Condensate Storage Tank(s) Emissions Inventory
Section 01- Administrative Information
'Facility AIRs ID:
123
County
98FS
Plant
015
Point
Section 02 - Equipment Description Details
Detailed Emissions Unit Description:
Emission Control Device Description:
Venting of gas from a vapor reaoverytower (VRT).
Emissions from the VRT are routed to an enclosed combustor.
Requested Overall VOC & HAP Control Efficiency %:
Separator Equipment
Type of separator
Will gas be metered:
Section 03 - Processing Rate Information for Emissions Estimates
Primary Emissions - Separator
Maximum vent rate =
Requested Permit limit Throughput
Potential to Emit (PTE) Throughput =
Process Control (Recycling)
VRU:
VRU operation:
277.7 scf/hr
100,010.0'. Barrels (bbl) per year
100,010.0 Barrels (bbl) per year
Secondary Emissions - Combustion Device(s) for Air Pollution Control
Separator Gas Heating Value:
Section 04 - Emissions Factors & Methodologies
Control Efficiency %
% bypass (annual)
2477-05` Btu/scf
Potential Process Parameters:
Gas Recycled: 0.0 MMscf/yr
Gas Routed to Control: 2.4 MMscf/yr
Description
The vapor recovery tower Is located downstream of atn inlet (high pressure) sepemotrand tow pressure sepureetrwhere the.liquidsundergo gon/figuld separettonpriwLo
the VRT. A prcssudted UCgtd sample was faker from the lntet separator at sePer g; 98.8 degF (sampled: 2/15/2017) and modeled, using HYSYS Ver8.6,.tbeoogh the P
e "'del"' Vragu4tr'4un
separetorandsuhsequenth"u_,nsr.'rw_.....e r._�i-ns, MOl.v..,--- Weight 11 _ .. _ ..
Input Parameter
Modeled Liquid Throughput 274,0? Barely (bbl) per day
(If applicable)
Separator Pressure 764.0 psig
Separator Temperature 962 deg F
EPA Emission Inventory Improvement Program Publication: Volume II, Chapter 10- Displacement Equation (10.4-3)
Ex=Qa MW"Xx/C
Ex = emissions of pollutant x
Q= Volumetric Row rate/volume of gas processed
MW = Molecular weight of gas = SG of gas " MW of air
Xx = mass fraction of x in gas
C = molar volume of ideal gas (379 scf/Ib-mol) at 60F and 1 atm
Maximum Vent Rate
. 277.7
scf/hr
24.3
scf/bbl
Throughput (Q)
2.4
MMscf/yr
277.7
scf/hr
MW
44:44
Ib/Ib-mol
0.0066648
MMscf/d
mass fraction (%)
lb/hr
lb/yr
spy
Helium
0.0000
0.00
0.00
CO2
1.27
0.4135
3622,58
1.81
N2
0.41'
0.1335
1169.50
0.58
methane
4.29
1.3969
12236.92
6.12
ethane
16:55
5,3890
47207.70
23.60
propane
29.93
9.7458
85373.20
42.69
isobutane
0:85
1.9049
16686.71
8.34
n -butane
18.64
6.0696
53169.27
26.58
isopentane
491
1.5988
14005.43
7.00
n -pentane
648
2.1100
13483.74
9,24
cyclopentane
5.84
1.9016
16658.18
8.33
n -Hexane
2.86
0.9323
8166.58
4.08
cyclohexane
0.0000
0.00
0.00
Other hexanes
0,0000
0.00
0.00
heptanes
1.77
0.5763
5048.80
2.52
methylcyclohexane
0.0000
0.00
0.00
224-TMP
0.07
0.0228
199.67
0.10
Benzene
047
0.1518
1329.65
0.66
Toluene
0.21
0.0633
598.46
0.30
Ethylbenzene
0.01
0.0022
19.03
0.01
Xylenes
0:07
0.0217
190.33
0.10
CS+Heavies
0.4
0.1302
1140.97
0.57
Total 100.0
VOC wt% 77.50
Note: lb/hr emission rotes in the table above ore based on 8760 hr/yr venting and requested gas volume
Total VOC (Uncontrolled)
110.54
This value includes contributions from flare pilot
2 of 3
K:\PA\2017\17 W E0261.CP1.xlsm
Condensate Storage Tank(s) Emissions Inventory
Emission Factors
Emission Factor
Pollutant
Separator Venting
Uncontrolled Controlled
(lb/bbl)
(Liquid
Throughput)
Benzene 0.0133
Toluene 0.0060
Ethylbenzene 0.0002
Xylene
Hexane 0.0817
(lb/bbl) Emission Factor Source
(Liquid
Throughput)
0.000664759
0.0002992
9.51405E-06
0.0019 9.51555E-05
224 TMP
Pollutant
Benzene
Toluene
Ethylbenzene
Xylene
n -Hexane
224 TMP
Pollutant
0.0020
0.004082882
9.9825E-05
Separator Venting
Uncontrolled Controlled
(Ib/MMscf) (Ih/MMscf) Emission Factor Source
(Wet Gas (Wet Gas
Throughput) Throughput)
Primary Control Device
Uncontrolled Uncontrolled
(Ih/MMBtu) (lb/MM
(Waste Heat
Combusted)
of)
Section 05 - Emissions Inventory
(Waste Gas
Corn busted)
18.5779
8.5779
168.4394
767.8855
Emission Factor Source
Criteria Pollutants
Potential to Emit
Uncontrolled
(tons/year)
...
Requested Permit Limits
Uncontrolled Controlled
(tons/year) (tons/year)
VOC
PM10
PM2.5
NOx
CO
110.6
110.6
5.53
0.0
0.0
0.0
0.0
0.0
0.0
0.2
0.2
0.2
0.9
0.9
0.9
Hazardous Air Pollutants
Potential to Emit
Uncontrolled
(tons/year)
........
_
Requested Permit Limits
Uncontrolled Controlled
(tons/year) (tons/year)
Requested Permit Limits
Uncontrolled Controlled
(lbs/year) (lbs/year)
Benzene
Toluene
Ethylbenzene
Xylene
n -Hexane
224 TMP
0.6648
0.66
0.03
1330
66
0.2992
0.30
0.01
598
30
0.0095
0.01
0.00
19
1
0.0952
0.10
0.00
190
10
4.0833
4.08
0.20
8167
408
0.0998
0.10
0.00
200
10
Section 06 - Regulatory Summary Analysis
Regulation 3, Parts A, B
Regulation 7, Section XVII.6,
Regulation 7, Section XVII.B.2.e
(See regulatory applicability worksheet for detailed analysis)
Section 09 - Inventory SCC Coding and Emissions Factors
AIRS Point #
015
Source Requires a Permit
No Requirements
No Requirements
Process # 5CC Code
O1
Lich, there will
irialsampling requirements with this permit_'
ectto Reg 7 Section XVII.G::..
Uncontrolled
Emissions
Pollutant Factor Control % Units
PM10 #REF! 0 lb/bbl
PM2.5 #REF! 0 lb/bbl
NOx #REF! 0 lb/bbl
VOC 2.2 95 lb/bbl
CO #REF! 0 lb/bbl
Benzene 0.01 95 lb/bbl
Toluene 0.01 95 lb/bbl
Ethylbenzene 0.00 95 lb/bbl
Xylene 0.00 95 lb/bbl
n -Hexane 0.08 95 lb/bbl
224 TMP 0.00 95 lb/bbl
3 of 3
K:\PA\2017\17W E0261.CP1.xlsm
Permit number:
Date issued:
Issued to:
A D O
Contro
is Hea
CONSTRUCTION PERMIT
17WE0261
Facility Name:
Plant AIRS ID:
Physical Location:
County:
General
Description:
Issuance: 1
Noble Energy, Inc.
Feuerstein T6N-R66W-S28 L-01
123/9BF5
SWNW SEC 28 T6N R66W
Weld County
Well Production Facility
Equipment or activity subject to this permit:
Facility
Equipment
ID
AIRS
Point
Equipment Description
Emissions Control
Description
VRT
015
Venting of gas from one (1) Vapor Recovery
Tower (VRT)
Enclosed Combustor
("VOC Burner")
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 this specific 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 of the
latter of commencement of operation or issuance of this permit, by submitting a Notice of
Startup form to the Division for the equipment covered by this permit. The Notice of Startup
form may be downloaded online at www.colorado.gov/pacific/cdphe/other-air-permitting-
notices. Failure to notify the Division of startup of the permitted source is a violation of Air
Quality Control Commission (AQCC) Regulation Number 3, Part B, Section III.G.1. and can result
in the revocation of the permit.
2. Within one hundred and eighty days (180) of the latter of commencement of operation or 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. A self certification form and guidance on how to self -certify compliance as required by
this permit may be obtained online at www.colorado.gov/pacific/cdphe/air-permit-self-
certification. (Regulation Number 3, Part B, Section III.G.2.)
'COLORADO
Air Pollution Control Division
Page 1 of 7
3. expi er or opera"or .4 e source this permi .s issued:
tion/modif ��- ;.peration z; is ource withi = 8 months
f is ce of t constr. ''on per =„ or the date on ich such
was suled commen .s set th in the permit '.lication
(n) : : -s cons • . - "`iod of eigh " ` ` the or
more; (iii) does not complete construction within a reasonable time of the estimated completion
date. The Division may grant extensions of the deadline. (Regulation Number 3, Part B, Section
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. (Regulation
Number 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. (Regulation Number 3, Part
B, Section II.A.4.)
)
Annual Limits:
s permit s
does not c
er either,
stru '.
Facility
Equipment ID
AIRS
Point
Tons per Year
Emission
Type
PM2.5
NO„
VOC
CO
VRT
015
---
---
5.6
---
Point
Note: 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 not exceed 8.0 tons per
year.
Facility -wide emissions of total hazardous air pollutants shall not exceed 20.0 tons per year.
The facility -wide emissions limitation for hazardous air pollutants shall apply to all permitted
emission units at this facility.
Compliance with the annual limits, for both criteria and hazardous air pollutants, 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
actual emissions each month and keep a compliance record on site or at a local field office with
site responsibility for Division review.
7. The emission points in the table below shall be operated and maintained with the emissions
control equipment as listed in order to reduce emissions to less than or equal to the limits
established in this permit. (Regulation Number 3, Part B, Section III.E.)
Facility
Equipment ID
AIRS
Point
Control Device
Pollutants
Controlled
VRT
015
Emissions from the VRT are routed to an
enclosed combustor
VOC and HAP
COLORADO
Air Pollution Control Division
Page 2 of 7
8.
ed t e followi r ;processi ate s listed be Monthly
cessi .tes shf be main . ed by owner or operat :nd made
insp eque ber 3, Par .)
Process Limits
Facility
Equipment ID
AIRS
Point
Process Parameter
Annual Limit
VRT
015
Condensate Throughput
100,010 bbl/yr
Compliance with the annual throughput limits shall be determined on a rolling twelve (12) month
total. By the end of each month a new twelve-month total is calculated based on the previous
twelve months' data. The permit holder shall calculate throughput each month and keep a
compliance record on site or at a local field office with site responsibility, for Division review.
9. The owner or operator must use monthly condensate/crude oil throughput records, calculation
methods detailed in the O&M Plan, and the emission factors established in the Notes to Permit
Holder to demonstrate compliance with the process and emissions limits specified in this permit.
STATE AND FEDERAL REGULATORY REQUIREMENTS
10. The permit number and ten digit AIRS ID number assigned by the Division (e.g. 123/4567/001)
shall be marked on the subject equipment for ease of identification. (Regulation Number 3, Part
B, Section III.E.) (State only enforceable)
11. 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 Number 1, Section II.A.5.)
12. This source is subject to the odor requirements of Regulation Number 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
the OItM plan are subject to Division approval prior to implementation. (Regulation Number 3,
Part B, Section III.G.7.)
COMPLIANCE TESTING AND SAMPLING
Initial Testing Requirements
14. This source is not required to conduct initial testing, unless otherwise directed by the Division or
other state or federal requirement.
Periodic Testing Requirements
15. This source is not required to conduct periodic testing, unless otherwise directed by the Division
or other state or federal requirement.
ADDITIONAL REQUIREMENTS
16. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Regulation Number 3, Part A, II.C.)
• 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
COLORADO
Air Pollutiort Control Division
u •r�:rx �. - -..es+ t.. i nrsx•�ra
Page 3 of 7
mpounds ( nitrogen i•es. ources (NIA t in ozone
men eas ting les u°�} an 10 $ ns of Vor NO„ per year, change in
actuals sion x one ton per ;, or mo ` or five percent �'chever is
greater, ab • - evel - • • - • • ' the la
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.
• Whenever there is a change in the owner or operator of any facility, process, or activity;
or
• Whenever new control equipment is installed, or whenever a different type of control
equipment replaces an existing type of control equipment; or
• Whenever a permit limitation must be modified; or
• No later than 30 days before the existing APEN expires.
17. Federal regulatory program requirements (i.e. PSD, NANSR) 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 Number 3, Parts C and 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
Number 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 Number 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
'COLORADO
Air Pollution Control Division
POAIL.
Page 4 of 7
shall be d coed ab in ' T, . permit ma - revoked
to s e .tion and fi ation by 5j- ' ire, ollution Co .l Division
ds se firth 1 ae Color Air Qu, „Y, Contra ct and regulatio'° .f the Air
Com on (A.: mcl +ing failur- meet express term or L dition of
mit. If the r` enie : =onditi o : `r:' a permit a = ted 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:
Bradley Eades
Permit Engineer
Permit History
Issuance
Date
Description
Issuance 1
This Issuance
Issued to Noble Energy, Inc.
COLORADO
Air Pollution Control Division
. ert:� € S.i�'Lh imtrrnssrr,C
Page 5 of 7
Notes t•:'-rmit Hold '°; t the T-• permit iss
1) The requi ees for th
fee ll be issues fter t •ermi e'ssued.
e inv
(Regulation Number 3, Part A, Section VI.B.)
time fo s pe it. An invo for these
e permi lder sh. . ay the invoice w n 30 days
invoi evocationermit.
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 limitlor 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: https://www.colorado.gov/pacific/cdphe/aqcc-regs
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.
Facility
Equipment ID
AIRS
Point
Pollutant
CAS #
Uncontrolled
Emissions
(lb/yr)
Controlled
Emissions
(lb/yr)
VRT
015
Benzene
71432
1330
66
Toluene
108883
599
30
Ethylbenzene
100414
19
1
Xylenes
1330207
190
10
n -Hexane
110543
8167
409
2,2,4
Trimethylpentane
540841
190
10
Note: All non -criteria reportable pollutants in the table above with uncontroll250
ed emission rates above po
per year (lb/yr) are reportab e and may result in annual emission fees based on the most recent Mr Pollution
Emission Notice.
5) The emission levels contained in this permit are based on the following emission factors:
Point 015:
CAS #
Pollutant
Uncontrolled
Emission Factors
(lb/bbl)
Controlled
Emission Factors
(lb/bbl)
Source
VOC
2.212
0.111
HYSYS Version 8.6
71432
Benzene
0.0133
0.0007
108883
Toluene
0.0060
0.0003
110543
n -Hexane
0.0817
0.0041
Note: The controlled emissions factors for this point are based on the combustor 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
;COLORADO
Air Pollution Control Envision
_.nbir,r6fIrrtent
Page 6 of 7
the
ass
at
7) T
determine iN expirati
questions r specific
assifie
r each emi ¢•ns point
date call p Division
Applicable
Requirement
Status
Operating Permit
Synthetic Minor Source of:
VOC
NANSR
Synthetic Minor Source of:
VOC
8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be
found at the website listed below:
http://ecfr.gpoaccess.gov/
Part 60: Standards of Performance for New Stationary Sources
NSPS
60.1 -End
Subpart A - Subpart KKKK
NSPS
Part 60, Appendixes
Appendix A - Appendix I
Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories
MACT
63.1-63.599
Subpart A - Subpart Z
MACT
63.600-63.1199
Subpart AA - Subpart DDD
MACT
63.1200-63.1439
Subpart EEE - Subpart PPP
MACT
63.1440-63.6175
Subpart QQQ - Subpart YYYY
MACT
63.6580-63.8830
Subpart ZZZZ - Subpart MMMMM
MACT
63.8980 -End
Subpart NNNNN - Subpart XXXXXX
COLORADO
Air Pollution Control Division
Page 7 of 7
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