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V 4
COLORADO
Department of Public
Health b Environment
Weld County - Clerk to the Board
11500 St
PO Box 758
Greeley, CO 80632
June 13, 2019
Dear Sir or Madam:
RECEIVED
17
COMMISSIONERS
On June 20, 2019, the Air Pollution Control Division will begin a 30 -day public notice period for
Summit Midstream Niobrara, LLC - Angus Compressor Station. 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
Jared Polis, Governor I Jill Hunsaker Ryan, MPH, Executive Director
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2019-2297
Air Pollution Control Division
Notice of a Proposed Project or Activity Warranting Public
Comment
Website Title: Summit Midstream Niobrara, LLC - Angus Compressor Station - Weld County
Notice Period Begins: June 20, 2019
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: Summit Midstream Niobrara, LLC
Facility: Angus Compressor Station
Natural gas compressor station
SESE Sec 14, T11 N, R63W
Weld County
The proposed project or activity is as follows: Applicant proposes to permit flaring of gas from equipment
blowdowns. This is an existing source that was previously below emission reporting thresholds.
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 Permit 19WE0417 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. Comments may be submitted using the following options:
• Use the web form at https://www.colorado.gov/pacific/cdphe/air-permit-public-notices. This page
also includes guidance for public participation
• Send an email to cdphe.commentsapcd@state.co.us
• Send comments to our mailing address:
Bradley Eades
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B1
Denver, Colorado 80246-1530
11*
COLORADO
Department of Public
Health 6 Environment
Colorado Air Permitting Project
PRELIMINARY ANALYSIS - PROJECT SUMMARY
Project Details
Review Engineer: Bradley Eades
Package #: 396471
Received Date: 4/17/2019
Review Start Date: 5/29/2019
Section 01 - Facility Information
Company Name: Summit Midstream Niobrara, LLC
County AIRS ID: 123
Quadrant
Section
Township
Range
SESE
14
11N
63
Plant AIRS ID: 99DA
Facility Name:
Physical
Address/Location:
County:
Type of Facility:
What industry segment? Oil & Natural Gas Production & Processing
Is this facility located in a NAAQS non -attainment area?
Angus Compressor Station
SESE quadrant of Section 14, Township 11N, Range 63W
Weld County
Exploration & Production Well Pad
If yes, for what pollutant?
Carbon Monoxide (CO)
Section 02 - Emissions Units In Permit Application
No
Particulate Matter (PM) I Ozone (NOx & VOC)
AIRs Point #
Emissions Source Type
Equipment Name
Emissions
Control?
Permit #
Issuance #
Self Cert
Required?
Action
Engineering
Remarks
016
Process Flare
FL -9501
Yes
19WE0417
1
Yes
Permit Initial
Issuance
Previously XA
Section 03 - Description of Project
Applicant is requesting a permit to operate flaring of up to 13.4 MMSCF/yr of gas from compressor blowdowns and plant bypass (during plant downtime). Applicant
indicates that facility has experienced unexpected increases in flaring volumes starting 4/2/2019. This permit will authorize flaring until the plant expansion permitted with
14WE1424, Issuance 3 is constructed, at which time a cancellation will be submitted for this point (all flaring will be conducted under Point 015).
Section 04 - Public Comment Requirements
Is Public Comment Required? Yes
If yes, why? Requesting Synthetic Minor Permit
Section 05 - Ambient Air Impact Analysis Requirement
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?
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 5O2
Prevention of Significant Deterioration (PSD)
Title V Operating Permits (OP)
No
Yes
Ste.' L
NOx
CO
VOC
No
Non -Attainment New Source Review (NANSR)
NOx
PM2.5 PM10 TSP HAPs
❑ U
CO VOC PM2.5 PM10 TSP HAPs
Separator Venting Emissions Inventory
016 Separator Venting
Facility AIRs ID:
123
County
99DA
Plant
016
Point
Section 02 - Equipment Description Details
Detailed Emissions Unit Description:
Flaring of inlet gas during facility downitme and gas from compressor blowdowns
Open flare
Emission Control Device Description:
Requested Overall VOC & HAP Control Efficiency %:
Limited Process Parameter
Gas meter
Natural Gas Vented
Yes, meter is currently installed and operational
Section 03 - Processing Rate Information for Emissions Estimates
Primary Emissions - Separator
Actual Throughput =
8.92 MMscf per year
95
Requested Permit Limit Throughput =
13.38
MMscf per year
Requested Monthly Throughput =
1.14 MMscf per month
Potential to Emit (PTE) Throughput =
Process Control (Recycling)
Equipped with a VRU:
Is VRU process equipment:
13.38 MMscf per year
Secondary Emissions - Combustion Device(s) for Air Pollution Control
Gas Heating Value:
Volume of waste gas emitted per BBL of
liquids throughput:
Section 04 - Emissions Factors & Methodologies
1372
MEI!
Description
Btu/scf
scf/bbl (NOT APPLICABLE)
Compressor station receives gas from field gathering system. When the plant is unable to compress inlet gas, it is sent to flare. Flare also receives gas during blowdowns for plant maintenance activities. Source submitted an
inlet gas sample analysis with the composition -eflected below.
MW
24.2795
Weight %
Helium
0.09
CO2
5.01
N2
1.11
methane
45.74
ethane
14.02
propane
16.86
isobutane
2.23
n -butane
7.78
isopentane
1.81
n -pentane
2.33
cyclopentane
0.22
n -Hexane
0.59
cyclohexane
0.14
Other hexanes
1.09
heptanes
0.38
methylcyclohexane
0.11
224-TMP
0.00
Benzene
0.07
Toluene
0.05
Ethylbenzene
0.01
Xylenes
0.02
C8+ Heavies
0.35
Total
VOC Wt %
Ib/Ib-mol
Displacement Equation
Ex=Q'MW'Xx/C
Emission Factors
Separator Venting
Pollutant
Uncontrolled Controlled
Emission Factor
(Ib/MMscf) (lb/MMscf)
Source
(Gas Throughput)
(Gas Throughput)
VOC
21802.7811
1090.1391
Extended gas analysis
Benzene
45.4413
2.2721
Extended gas analysis
Toluene
29.7634
1.4882
Extended gas analysis
Ethylbenzene
3.9812
0.1991
Extended gas analysis
Xylene
12.5827
0.6291
Extended gas analysis
n -Hexane
376.9205
18.8460
Extended gas analysis
224 TMP
0.3203
0.0160
Extended gas analysis
Pollutant
Primary Control Device
Emission Factor Source
Uncontrolled Uncontrolled
(Ib/MMBtu) lb/MMscf
(Waste Heat
Combusted)
(Gas Throughput)
PM10
0.0075
10.224
AP -42 Table 1.4-2 (PM10/PM.2.5)
AP -42 Table 1.4-2 (PM10/PM.2.S)
AP -42 Table 1.4-2 (sox)
AP -42 Chapter 13.5 Industrial Flares (NOx)
AP -42 Chapter 13.5 Industrial Flares (CO)
PM2.5
0.0075
10.224
SOx
0.0006
0.807
NOx
0.0680
93.312
CO
0.3100
425.391
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K:\PA\2019\19W E0417.CP1.xlsm
Separator Venting Emissions Inventory
Section 05 - Emissions Inventory
Criteria Pollutants
Potential to Emit
Uncontrolled
(tons/year)
Actual Emissions
Uncontrolled Controlled
(tons/year) (tons/year)
Requested Permit Limits
Uncontrolled Controlled
(tons/year) (tons/year)
Requested Monthly Limits
Controlled
(lbs/month)
PM10
0.07
0.05
0.05
0.07
0.07
12
PM2.5
0.07
0.05
0.05
0.07
0.07
12
SOx
0.01
0.00
0.00
0.01
0.01
1
NOx
0.62
0.42
0.42
0.62
0.62
106
VOC
145.82
97.21
4.86
145.82
7.29
1238
CO
2.85
1.90
1.90
2.85
2.85
483
Hazardous Air Pollutants
Potential to Emit
Uncontrolled
(lbs/year)
Actual Emissions
Uncontrolled Controlled
(lbs/year) (lbs/year)
Requested Permit Limits
Uncontrolled Controlled
(lbs/year) (lbs/year)
Benzene
608
405
20
608
30
Toluene
398
265
13
398
20
Ethylbenzene
53
36
2
53
3
Xylene
168
112
6
168
8
n -Hexane
5042
3361
168
5042
252
224 TMP
4
3
0
4
0
Section 06 - Regulatory Summary Analysis
Regulation 3, Parts A. B
Source requires a permit
(See regulatory applicability worksheet for detailed analysis)
Section 07 - Initial and Periodic Sampling and Testing Requirements
Using Gas Throughput to Monitor Compliance
Does the company use site specific emission factors based on a gas sample to estimate emissions?
This sample should represent the gas outlet of the equipment covered under this AIRs ID, and should have been 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 Testing Requirement" to collect a site -specific gas sample from the equipment being permitted 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.
Are facility -wide permitted emissions of VOC greater than or equal to 90 tons per year?
If yes, the permit will contain:
-An "Initial Testing Requirement" to collect a site -specific gas sample from the equipment being permitted 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.
-A "Periodic Testing Requirement" to collect a site -specific gas sample from the equipment being permitted 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 on an annual basis.
Will the operator have a meter installed and operational upon startup of this point? Yes
If no, the permit will contain a condition that requires the operator to calculate gas throughput using the liquid throughput until the meter is installed and operational (not
to exceed 180 days). This condition will use the "Volume of waste gas emitted per BBL of liquids throughput" (scf/bbl) value in section 03.
Does the company request a control device efficiency greater than 95% for a flare or combustion device?
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
`Applicant indicates that operator does not anticipate this flare operating at the site longer than 6 months, at which time construction of the expansion permitted with Issuance 3 14WE1424 will take place and this flare will be replaced by
the flare permitted in that issuance (point 015). As such, the company has requested to remove the requirement to meter the st s to the flare. I agreed to add in a condition that will allow for alternative compiance tracking for up to 180
days from permit issuance (tracking number and type of blowdown events to calculate a corresponding volume of gas to the flare as detailed in the O&M plan). After 180 days, a meter shall be installed. The applicant agreed to this
requirement.
Section 09 - Inventory SCC Coding and Emissions Factors
AIRS Point #
016
Process # SCC Code
O1 v
Uncontrolled
Emissions
Pollutant Factor Control % Units
PM10 10.22 0 lb/MMSCF
PM2.5 10.22 0 lb/MMSCF
SOx 0.81 0 lb/MMSCF
NOx 93.31 0 lb/MMSCF
VOC 21802.78 95 lb/MMSCF
CO 425.39 0 Ib/MMSCF
Benzene 45.44 95 lb/MMSCF
Toluene 29.76 95 Ib/MMSCF
Ethylbenzene 3.98 95 lb/MMSCF
Xylene 12.58 95 lb/MMSCF
n -Hexane 376.92 95 lb/MMSCF
224 TMP 0.32 95 lb/MMSCF
3 of 6 K:\PA\2019\19WE0417.CP1.xlsm
Separator Venting Regulatory Analysis Worksheet
Colorado Re ulation 3 Parts A and B- APEN and Permit Requirements
Source is in the Attainment Area
ATTAINMENT
1. Are uncontrolled actual emissions from any criteria pollutants from this individual source greater than 2 TPY (Regulation 3, Part A, Section II.D.1.a)?
2. Are total facility uncontrolled VOC emissions greater than 5 TPY, NOx greater than 10 TPY or CO emissions greater than 10 TPY (Regulation 3, Part B, Section II.D.3)?
Source requires a permit
NON -ATTAINMENT
1. Are uncontrolled emissions from any criteria pollutants from this individual source greater than 1 TPY (Regulation 3, Part A, Section II.D.1.a)?
2. Are total facility uncontrolled VOC emissions from the greater than 2 TPY, NOx greater than 5 TPY or CO emissions greater than 10 TPY (Regulation 3, Part B, Section II.D.2)?
You have indicated that source is in the Attainment Area
Disclaimer
This document assists operators with determining applicability of certain requirements of the Clean Air Act, its implementing regulations, and Air Quality Control Commission regulations. This document is
not a rule or regulation, and the analysis it contains may not apply to a particular situation based upon the individual facts and circumstances. This document does not change or substitute for any law,
regulation, or any other legally binding requirement and is not legally enforceable. In the event of any conflict between the language of this document and the language of the Clean Air Act„ its implementing
regulations, and Air Quality Control Commission regulations, the language of the statute or regulation will control. The use of non -mandatory language such as 'recommend,- 'may," 'should," and 'can," is
intended to describe APCD interpretations and recommendations. Mandatory terminology such as "must" and 'required" are intended to describe controlling requirements under the terms of the Clean Air
Act and Air Quality Control Commission regulations, but this document does not establish legally binding requirements in and of itself.
COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT
AIR POLLUTION CONTROL DIVISION
FACILITY EMISSION SUMMARY
Company Name
Meadowlark Midstream Company, LLC
County AIRS ID
123
Plant AIRS ID
99DA
Facility Name
Angus Compressor Station
History File Edit Date
5/29/2019
Ozone Status
Attainment
EMISSIONS - Uncontrolled (tons per year)
EMISSIONS With Controls (tons er year
POINT
AIRS
ID
PERMIT
Description
PM10
PM2.5
H2S
SO2
NOx
VOC
Fug
VOC
CO
Total
HAPs
PM"
PM2.5
H2S
SO2
NOx
VOC
Fug
VOC
CO
Total
HAPs
REMARKS
Previous FACILITY TOTAL
2.1
2.1
0.0
0.0
41.7
67.6
0.4
35.7
4.7
From October 2018 Tab (issuance 3 project)
Previous
Permitted Facilit total
2.1
2.1
0.0
0.0
41.7
66.2
0.0
35.7
4.7
004
GP02
Waukesha L36 GSID NG RICE
115.5
5.1
57.7
0.6
5.1
5.1
10.8
0.6
No change
005
GP02
Waukesha L36 GSID NG RICE
115.5
5.1
57.7
0.6
5.1
5.1
10.8
0.6
No change
007
14WE1425
RICE CAT 3606
0.6
0.6
5.4
29.9
60.8
4.7
0.6
0.6
5.5
12.7
4.3
1.5
No change
008
14WE1426
RICE CAT 3606
0.6
0.6
12.0
22.5
42.9
0.0
0.6
0.6
12.0
12.0
3.0
0.0
No change
009
14WE1427
RICE CAT 3606
0.6
0.6
8.6
23.3
47.1
0.0
0.6
0.6
8.6
12.0
3.3
0.0
No change
011
14WE1429
RICE CAT G3512B
0.3
0.3
5.0
8.6
26.4
5.8
0.3
0.3
5.0
7.0
1.9
1.6
No change
012
14WE1430
Condesate Tanks
0.1
37.5
0.3
0.0
0.1
2.7
0.3
0.0
No change
013
14WE1431
Produced Water
2.2
0.0
0.2
0.0
No change
014
14WE1432
TEG Dehy
0.2
153.2
0.7
0.0
0.2
7.7
0.7
0.0
No change
015
14WE1433
Facility Flare (new)
0.1
32.5
0.6
1.6
0.1
1.7
0.6
0.1
No change
016
19WE0417
Facility Flare (existing)
0.6
145.8
2.9
3.1
0.6
7.3
2.9
0.2
New Point - Previously XA Will eventually be
replaced by Point 015
APEN Exempt/Insignificant
Sources
001
12WE2474.XA
One (1) 100 BBL emergency condensate
storage tank
002
13WE1281.XA
One (1) 200 BBL emergency produced
water storage tank
003
13WE1282.XA
One (1) emergency flare
006
XA
Fugitive Component Leaks
XA
Truck Loading
0.5
0.5
XA - Since not permitted, cannot take credit for
controls
XA
Combustion Devices Pilots
0.10
1.10
0.50
0.10
1.10
0.50
XA
1.5 Mmbtu/hr Reboiler heater
0.6
0.5
0.6
0.5
XA
Pigging
0.4
0.4
FACILITY TOTAL
2.1
2.1
0.0
0.0
263.7
467.7
0.0
298.1
16.8
2.1
2.1
0.0
43.0
75.5
0.0
39.6
4.9
VOC: Syn Minor (OP, PSD)
NOx: Syn Minor (OP. PSD)
CO: Syn Minor (OP, PSD)
HAPS: Syn Minor (OP)
HH: Area Source
7777: Area Source
Permitted Facility Total
2 1
2. 1
0.0
0.0
263.0
465.7
0.0
297.1
16.8
2.1
2.1
0.0
0.0
42.3
73.5
0.0
38.6
4.9
Excludes units exempt from permits/APENs
(A) Change
in Permitted Emissions
0.0
0.0
0.0
0.0
0.6
7.3
0 0
2.9
Pubcom required based on A change in
emissions.
Total VOC Facility Emissions (point and fugitive)
(A) Change in Total Permitted VOC emissions (point and fugitive)
75.5
Facility is eligible for GP02 because < 90 tpy
Project emissions less than 50 tpy
7.3
Note 1
It should be noted that Summit indicates that the flare being permitted as Point 016 is for existing operation (prior to expansion assoicated with Issuance 3). Summit indicates that Point 015 and Point 016 will not operate simulatineously and Summit will submit a cancellation for Point
016 (19WE0417) upon startup of Point 015.
Note 2
Page 5of6
Printed 6/5/2019
COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT
AIR POLLUTION DIVISION
FACILITY EMISSION SUMMARY - HAPs
Company Name
County AIRS ID
Plant AIRS ID
Facility Name
Meadowlark Midstream Company, LLC
123
99DA
Angus Compressor Station
Emissions - uncontrolled (lbs
per year)
POINT
PERMIT
Description
Formaldehyde
Acetaldehyde
Acrolein
Benzene
Toluene
Ethylbenzene
Xylenes
n -Hexane
McOH
.. : TMP
H2S
TOTAL (tpy)
[Previous
FACILITY TOTAL
1440
274
258
154
54
2
20
0
300
0
0
0
2502.0
004
GP02
Waukesha L36 GSID NG RICE
720
137
1 -
77
27
1
10
150
0.6
005
GP02
Waukesha L36 GSID NG RICE
720
137
129
77
27
1
10
150
0.6
006
.CN
Fugitives
81
67
14
10
516
67
0.4
007
14WE1425
RICE CAT 3606
7242
954
587
50
47
5
21
127
285
29
4.7
008
14WE1426
RICE CAT 3606
8913
974
599
51
48
5
21
129
291
29
009
14WE1427
RICE CAT 3606
8913
985
606
52
48
5
21
131
295
29
010
.CN
RICE
011
14WE1429
RICE CAT G3512B
10394
551
339
29
27
12
73
165
5 8
012
14WE1430
Condesate Tanks
9
4
9294
013
14WE1431
Produced Water
6
1
88
014
14WE1432
TEG Dehy
76807
30713
2210
1147
35292
015
14WE1433
Facility Flare (new)
157
41
3
1
2999
1.6
016
19WE0417
Facility Flare (existing)
608
398
53
168
5042
••
3.1
APEN
Exempt/Insignificant Sources
0.0
TOTAL
(tpy)
18.5
1.9
1.2
39.0
15.7
1.2
0.7
26.8
0.7
0.1
0.0
0.0
105.7
*Total Reportable = all HAPs where uncontrolled emissions > de minimus values
Red Text: uncontrolled emissions < de minimus
Emissions with controls (lbs
per year)
POINT
PERMIT
Description
Formaldehyde
Acetaldehyde
Acrolein
Benzene
Toluene
Ethylbenzene
Xylenes
n -Hexane
McOH
224 TMP
H2S
TOTAL (tpy)
!Previous FACILITY TOTAL
1440
274
258
154
54
2
20
0
300
0
0
0
2502.0
004
GP02
Waukesha L36 GSID NG RICE
720
129
77
27
1
10
150
0.6
005
GP02
Waukesha L36 GSID NG RICE
720
129
77
27
1
10
150
0.6
006
.CN
Fugitives
81
67
14
10
516
67
0.4
007
14WE1425
RICE CAT 3606
1738
477
293
25
23
2
11
63
285
14
1.5
008
14WE1426
RICE CAT 3606
2139
487
299
26
24
2
11
65
291
14
009
14WE1427
RICE CAT 3606
2139
493
303
26
24
2
11
65
295
14
010
.CN
RICE
011
14WE1429
RICE CAT G3512B
2495
275
169
14
13
1
6
37
82
8
1.6
012
14WE1430
Condesate Tanks
465
013
14WE1431
Produced Water
4
014
14WE1432
TEG Dehy
3840
1536
111
57
1765
015
14WE1433
Facility Flare (new)
8
2
150
0.1
016
19WE0417
Facility Flare (existing)
30
20
3
8
252
0.2
APEN Exempt/Insignificant Sources
0.0
TOTAL (tpy)
5.0
1.0
0.7
2.1
0.9
0.1
0.1
1.7
0.6
0.1
0.0
0.0
12 1
6
19WE0417.CP1.xlsm 6/5/2019
!COLORADO
Air Pollution Control Division
Deparimentof Publrc Health & Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
Permit number:
Date issued:
Issued to:
CONSTRUCTION PERMIT
1 9WE04 1 7 Issuance: 1
Facility Name:
Plant AIRS ID:
Physical Location:
County:
General
Description:
Summit Midstream Niobrara, LLC
Angus Compressor Station
123/99DA
SESE Sec 14, T11 N, R63W
Weld County
Natural Gas Compressor Station
Equipment or activity subject to this permit:
Facility
Equipment
ID
AIRS
Point
Equipment Description
Emissions Control
Description
FL -9501
016
Flaring of gas from maintenance
blowdowns and inlet gas during plant
downtime.
Open Flare
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/cdphe/air/manage-permit. 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
Page 1 of 9
COLORADO
Air Pollution Control Division
Department of Pubhc Health & Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
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/cdphe/air-
permit-self-certification. (Regulation Number 3, Part B, Section 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 deadline. (Regulation Number 3,
Part B, Section III.F.4.)
F.4. )
4. Within one hundred and eighty days (180) after issuance of this permit, the operator must install
a flow meter to monitor and record volumetric flow rate of natural gas vented to the flare
covered by this permit. Until the flow meter is installed, the operator must monitor and record
the number and type of flaring events and estimate the gas flow rate based on standard cubic
feet (scf) per event as provided in the OttM Plan.
5. 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.)
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. (Regulation Number 3,
Part B, Section II.A.4.)
)
Annual Limits:
Facility
Equipment ID
AIRS
Point
Tons per Year
Emission
Type
PM2.5
NO,t
VOC
CO
FL -9501
016
---
---
7.3
2.9
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
Page 2 of 9
CDPHE
(COLORADO
Air Pollution Control Division
Denartment of Pubic Heath & &nvvonrnent
Dedicated to protecting and improving the health and environment of the people of Colorado
actual emissions each month and keep a compliance record on site or at a local field office with
site responsibility for Division review.
8. The owner or operator must use the emission factors found in "Notes to Permit Holder" to
calculate emissions and show compliance with the limits. The owner or operator must submit
an Air Pollutant Emission Notice (APEN) and receive a modified permit prior to the use of any
other method of calculating emissions.
9. 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
FL -9501
016
Open Flare
VOC and HAP
PROCESS LIMITATIONS AND RECORDS
10. 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. (Regulation Number 3, Part B, II.A.4.)
Process Limits
Facility
Equipment ID
AIRS
Point
Process Parameter
Annual Limit
FL -9501
016
Flaring of Natural Gas
13.38 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.
11. Upon installation of the flow meter, the owner or operator shall continuously monitor and
record the volumetric flow rate of natural gas vented to the flare using a flow meter. The owner
or operator shall use monthly throughput records to demonstrate compliance with the process
limits contained in this permit and to calculate emissions as described in this permit.
STATE AND FEDERAL REGULATORY REQUIREMENTS
12. 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)
13. 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.)
Page 3 of 9
;COLORADO
Air Pollution Control Division
Department or Public t -{earth t, Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
14. This source is subject to the odor requirements of Regulation Number 2. (State only
enforceable)
OPERATING Et MAINTENANCE REQUIREMENTS
15. Upon startup of these points, the owner or operator shall follow the most recent operating and
maintenance (0&tM) 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 O&M 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
16. The owner or operator shall demonstrate compliance with opacity standards, using EPA
Reference Method 9, 40 C.F.R. Part 60, Appendix A, to measure opacity from the flare for one
continuous hour. (Regulation Number 1, Section II.A.5)
Periodic Testing Requirements
17. This source is not required to conduct periodic testing, unless otherwise directed by the Division
or other state or federal requirement.
ADDITIONAL REQUIREMENTS
18. 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
For volatile organic compounds (VOC) and nitrogen oxides sources (NOr) 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.
• 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
Page 4 of 9
1COLORADO
Air Pollution Control Division
I Department of Public Health b Environthont
Dedicated to protecting and improving the health and environment of the people of Colorado
• Whenever a permit limitation must be modified; or
• No later than 30 days before the existing APEN expires.
19. 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
20. This permit and any attachments must be retained and made available for inspection upon
request. The permit may be reissued to a new owner by the APCD as provided in AQCC
Regulation 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.
21. If this permit specifically states that final authorization has been granted, then the remainder
of this condition is not applicable. Otherwise, the issuance of this construction permit does not
provide "final" authority for this activity or operation of this source. Final authorization of the
permit must be secured from the APCD in writing in accordance with the provisions of 25-7-
114.5(12)(a) C.R.S. and AQCC Regulation 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.
22. 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.
23. Unless specifically stated otherwise, the general and specific conditions contained in this
permit have been determined by the APCD to be necessary to assure compliance with the
provisions of Section 25-7-114.5(7)(a), C.R.S.
24. Each and every condition of this permit is a material part hereof and is not severable. Any
challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit
and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be
revoked at any time prior to self -certification and final authorization by the Air Pollution
Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and
regulations of the Air Quality Control Commission (AQCC), including failure to meet any express
term or condition of the permit. If the Division denies a permit, conditions imposed upon a
permit are contested by the 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.
25. Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution
Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and
administration. If a source or activity is to be discontinued, the owner must notify the Division
Page 5 of 9
ICOLORADO
I Air Pollution Control Division
IDeoarttnent of Palk Health b Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
in writing requesting a cancellation of the permit. Upon notification, annual fee billing will
terminate.
26. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention
and Control Act or the regulations of the AQCC may result in administrative, civil or criminal
enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil
penalties), -122.1 (criminal penalties), C.R.S.
By:
Bradley Eades
Permit Engineer
Permit History
Issuance
Date
Description
Issuance 1
This Issuance
Issued to Summit Midstream Niobrara, LLC
Newly permitted source. Previously below
reporting thresholds.
Page 6 of 9
(COLORADO
Air Pollution Control Division
Department of Putzrc Health & rnvironmen[
Dedicated to protecting and improving the health and environment of the people of Colorado
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.
(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.
Facility
Equipment
ID
AIRS
Point
Pollutant
CAS #
Uncontrolled
Emissions
(lb/yr)
Controlled
Emissions
(lb/yr)
FL -9501
016
Benzene
71432
608
30
Toluene
108883
398
20
Ethylbenzene
100414
53
3
Xylenes
1330207
168
8
n -Hexane
110543
5,042
252
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.
Page 7 of 9
CDPHE
COLORADO
Air Pollution Control Division
Department of rubric Health b Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
5) The emission levels contained in this permit are based on the following emission factors:
Point 016:
CAS #
Pollutant
Uncontrolled
Emission
Factors
(lb/MMSCF)
Controlled
Emission
Factors
(lb/MMSCF)
Source
CO
425.39
425.39
AP 42, Chapter
13.5
VOC
21, 802.78
1,090.14
Inlet Extended Gas
Analysis
71432
Benzene
45.44
2.27
108883
Toluene
29.76
1.49
110543
n -Hexane
376.92
18.85
Note: The controlled emissions factors for this point are based on the flare control efficiency of
95%.
The emission factors listed above are based on extended gas analysis collected 5/3/2018 at the
facility inlet. CO emissions are based on factors found in AP -42, Chapter 13.5 and a gas
heating value of 1,372 Btu/scf.
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
Requirement
Status
Operating Permit
Synthetic Minor Source of: VOC, NOx, CO, HAPs
PSD
Synthetic Minor Source of: VOC, NOx, CO
MACT ZZZZ
Major Source Requirements: Not Applicable
Area Source Requirements: 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
Page 8 of 9
;COLORADO
IAir Pollution Control Division
I Department of Public Health Et Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
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
Page 9 of 9
APR I i
G ti
Gas Venting APEN - Form APCD-211
Air Pollutant Emission Notice (APEN) and
Application for Construction Permit
All sections of this APEN and application must be completed for both new and existing facilities, including APEN
updates. Incomplete APENs will be rejected and will require re -submittal. Your APEN will be rejected if it is
filled out incorrectly, is missing information, or lacks payment for the filing fee. The re -submittal will require
payment for a new filing fee.
This APEN is to be used for gas venting only. Gas venting includes emissions from gas/liquid separators, well head
casing, pneumatic pumps, blowdown events, among other events. If your emission unit does not fall into this
category, there may be a more specific APEN for your source (e.g. amine sweetening unit, hydrocarbon liquid
loading, condensate storage tanks, etc.). In addition, the General APEN (Form APCD-200) is available if the
specialty APEN options will not satisfy your reporting needs. A list of all available APEN forms can be found on the
Air Pollution Control Division (APCD) website at: www.colorado.aov/cdphe/apcd.
This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration
of the five-year term, or when a reportable change is made (significant emissions increase, increase production,
new equipment, change in fuel type, etc.). See Regulation No. 3, Part A, II.C. for revised APEN requirements.
Permit Number:
AIRS ID Number: 123 / 99DA / 0.1112,
[Leave blank unless APCD has already assigned a permit # and AIRS ID]
Section 1 - Administrative Information
Company Name:
Site Name: Angus Compressor Station
Site Location:
Summit Midstream Niobrara, LLC
SESE Sec 14 T11N R63W
Mailing Address: 999 18th Street, 2500S
(Include Zip Code)
Denver, CO 80202
Site Location
County: Weld
NAICS or SIC Code: 1311
Contact Person: Andrew Parisi
Phone Number:
E -Mail Address2:
(303) 626-8269
aparisi@summitmidstream.com
1 Use the full, legal company name registered with the Colorado Secretary of State. This is the company name that will appear
on all documents issued by the APCD. Any changes will require additional paperwork.
2 Permits, exemption letters, and any processing invoices will be issued by the APCD via e-mail to the address provided.
Form APCD-211 - Gas Venting APEN - Revision 3/2019
396469
COLORADO
Hat,,u hlc
�T: F scnmmf
Permit Number: AIRS ID Number:
123 /99DA/
[Leave blank unless APCD has already assigned a permit # and AIRS ID]
Section 2 - Requested Action
E NEW permit OR newly -reported emission source
-OR -
❑ MODIFICATION to existing permit (check each box below that applies)
❑ Change fuel or equipment ❑ Change company name3 ❑ Add point to existing permit
❑ Change permit limit ❑ Transfer of ownership4 D Other (describe below)
-OR -
❑ APEN submittal for update only (Note blank APENs will not be accepted)
- ADDITIONAL PERMIT ACTIONS -
El Limit Hazardous Air Pollutants (HAPs) with a federally -enforceable limit on Potential To Emit (PTE)
Additional Info Et Notes: Facility blowdown, maintenance, and emergency flare
3 For company name change, a completed Company Name Change Certification Form (Form APCD-106) must be submitted.
4 For transfer of ownership, a completed Transfer of Ownership Certification Form (Form APCD-104) must be submitted.
Section 3 - General Information
General description of equipment and purpose: Natural gas combustion during facility
downtime and/or upset conditions, and compressor blowdowns. Previously exempt source.
Company equipment Identification No. (optional):
For existing sources, operation began on:
8/29/2013
For new, modified, or reconstructed sources, the projected start-up date is:
❑✓ Check this box if operating hours are 8,760 hours per year; if fewer, fill out the fields below:
Normal Hours of Source
Operation:
Will this equipment be operated in any NAAQS
nonattainment area?
hours/day
Is this equipment located at a stationary source that is
considered a Major Source of (HAP) Emissions?
Is this equipment subject to Colorado Regulation No. 7,
Section XVII.G?
Form APCD-211 - Gas Venting APEN - Revision 3/2019
days/week weeks/year
Yes
Yes
Yes
❑✓ No
No
❑✓ No
WI COLORADO
Entritorommt
Permit Number: AIRS ID Number:
123 / 99DA
[Leave blank unless APCD has already assigned a permit # and AIRS ID]
Section 4 - Process Equipment Information
❑ Gas/Liquid Separator
❑ Well Head Casing
❑ Pneumatic Pump
Make: Model:
❑ Compressor Rod Packing
Make: Model:
❑✓ Blowdown Events
Serial #: Capacity:
# of Pistons: Leak Rate:
# of Events/year: Varies Volume per event: 0.005
❑✓ Other
Description: Upset and emergency conditions
gal/min
Scf/hr/pist
MMscf/event
If you are requesting uncontrolled VOC emissions greater than 100 tpy for a gas/liquid separator, you must use Gas
Venting as a process parameter.
Are requested uncontrolled VOC emissions greater than 100 tpy? ❑ Yes
Gas Venting
Process Parameters5:
Liquid Throughput
Process Parameters5:
Vented Gas
Properties:
❑✓ No
Vent Gas
1
BTU/SCF
Heating Value:
372
Requested:
13.376
MMSCF/year
Actual:
8.917
MMSCF/year
-OR-
Requested:
bbl/year
Actual:
bbl/year
Molecular Weight:
24.2795
VOC (Weight %)
34.0783
Benzene (Weight %)
0.0710
Toluene (Weight %)
0.0465
Ethylbenzene (Weight %)
0.0062
Xylene (Weight %)
0.0197
n -Hexane (Weight %)
0.5892
2,2,4-Trimethylpentane (Weight %)
0.0005
Additional Required Information:
❑✓ Attach a representative gas analysis (including BTEX Et n -Hexane, temperature, and pressure)
Attach a representative pressurized extended liquids analysis (including BTEX a n -Hexane, temperature, and
pressure)
5 Requested values will become permit limitations. Requested limit(s) should consider future process growth.
GQLORk DO
Form APCD-211 - Gas Venting APEN - Revision 3/2019 3 I 1r== (
Permit Number:
AIRS ID Number:
123 / 99DA /
[Leave blank unless APCD has already assigned a permit # and AIRS ID]
Section 5 - Stack Information
Geographical Coordinates '
(Latitude/Longitude or UTM)
40.9162 -104.3913
Operator
Stack ID No
Discharge Height : .
Above Ground Level
(Feet)
Temp.
(oF) .. -
Flow Rate
(ACFM)
Velocity
` (ftisec)
Flare
—40
Indicate the direction of the stack outlet: (check one)
❑✓ Upward
❑ Horizontal
❑ Downward
❑ Other (describe):
Indicate the stack opening and size: (check one)
❑✓ Circular
❑ Other (describe):
Interior stack diameter (inches):
❑ Upward with obstructing raincap
Section 6 - Control Device Information
❑ Check this box if no emission control equipment or practices are used to reduce emissions, and skip to the next section.
❑ VRU:
Pollutants Controlled:
Size:
Requested Control Efficiency:
VRU Downtime or Bypassed:
Make/Model:
%
❑✓ Combustion
Device:
Pollutants Controlled: VOC & HAPs
Rating: —100 MMBtu/hr
Type: TX Combustion Eng Make/Model: FL -9501
Requested Control Efficiency: 95
Manufacturer Guaranteed Control Efficiency: >98
Minimum Temperature: Waste Gas Heat Content: 1 372 Btu/scf
Constant Pilot Light: El Yes ❑ No Pilot burner Rating: MMBtu/hr
Other:
Pollutants Controlled:
Description:
Requested Control Efficiency:
Form APCD-211 - Gas Venting APEN - Revision 3/2019
COLORADO
4 1 , mdwt
Chemical Name
Benzene
PM
Permit Number:
AIRS ID Number:
123 / 99DA
[Leave blank unless APCD has already assigned a permit ft and AIRS ID]
Section 7 - Emissions Inventory Information
Attach all emissions calculations and emission factor documentation to this APEN form.
If multiple emission control methods were identified in Section 6, the following table can be used to state the
overall (or combined) control efficiency (% reduction):
Description of Control Method(s),'
Overall Requested
- Control Efficiency
(% - reduction in emissions)
SOx
NOx
CO
VOC
Flare
95
HAPs
Flare
95
Other:
From what year is the following reported actual annual emissions data?
2019
Criteria Pollutant Emissions inventory
PM
Units
Source
Mfg., etc.) -:
Actual Annual Emissions
Requested Annual Permit.
Emission Limit(s)5
Incontrolied--
Emissions _
(tons/year)
.ontrolled
mis-s1onsb-
tons/year)
ncontrolled"-7.
Emissions
(tons/year)
ontroired
Emissions
tonsyear),
SOx
NO),
0.068
Ib/MMbtu
AP -42
0.416
0.416
0.624
0.624
CO
0.31
lb/MMbtu
AP -42
1.897
1.897
2.845
2.845
VOC
21.802
lb/Mscf
Mass Balance
97.212
4.861
145.817
7.291
on -Criteria Reportable Pollutant Emissions Inventory
Chemical
Abstract
Service (CAS)
Number
Emission Factor;
Actual Annual Emissions
Uncontrolled
Basis
Units
Source
(AP -42,
Mfg., etc.)
Uncontrolled
Emissions
(pounds/year)
Controlled
Emissions6
(pounds/year)
71432
0.045
lb/Mscf
Mass Balance
405.2
20.3
Toluene
108883
0.030
lb/Mscf
Mass Balance
265.4
13.3
Ethylbenzene
100414
0.004
lb/Mscf
Mass Balance
35.5
1.8
Xylene
1330207
0.013
lb/Mscf
Mass Balance
112.2
5.6
n -Hexane
110543
0.377
lb/Mscf
Mass Balance
3,361
168.1
2,2,4-
Trimethylpentane
540841
0
lb/Mscf
Mass Balance
0
0
Other:
5 Requested values will become permit limitations. Requested limit(s) should consider future process growth.
6 Annual emissions fees will be based on actual controlled emissions reported. If source has not yet started operating, leave
blank.
Form APCD-211 - Gas Venting APEN - Revision 3/2019
5I
'COLORADO
fzrn: of N�'ic
Permit Number:
AIRS ID Number:
123 /99DA/
[Leave blank unless APCD has already assigned a permit ft and AIRS ID]
Section 8 - Applicant Certification
I hereby certify that all information contained herein and information submitted with this application is complete,
true, and correct.
4/16/2019
Signature of Legally Authorized Person (not a vendor or consultant) Date
Zak N. Covar
Vice President HSE&R and Technical Services
Name (please print) Title
Check the appropriate box to request a copy of the:
�✓ Draft permit prior to issuance
0✓ Draft permit prior to public notice
(Checking any of these boxes may result in an increased fee and/or processing time)
This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration
of the five year term, or when a reportable change is made (significant emissions increase, increase production,
new equipment, change in fuel type, etc.). See Regulation No. 3, Part A, II.C. for revised APEN requirements.
Send this form along with $191.13 to:
Colorado Department of Public Health and Environment
Air Pollution Control Division
APCD-SS-B1
43O0 Cherry Creek Drive South
Denver, CO 80246-1530
Make check payable to:
Colorado Department of Public Health and Environment
For more information or assistance call:
Small Business Assistance Program
(303) 692-3175 or (303) 692-3148
APCD Main Phone Number
(303) 692-3150
Or visit the APCD website at:
https://www.colorado.Rov/cdphe/aped
Form APCD-211 - Gas Venting APEN - Revision 3/2019
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