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COLORADO
Department of Public
Health EP Environment
Weld County - Clerk to the Board
1150OSt
PO Box 758
Greeley, CO 80632
August 15, 2023
To Whom it May Concern:
RECEIVED
AUG 15 2023
WELD COUNTY
COMMISSIONERS
On August 15, 2023, the Air Pollution Control Division will begin a 30 -day public notice period for
Crestone Peak Resources Operating, LLC - Grant Salisbury Elmquist 14H -C268 Battery. A copy of this
public notice is enclosed.
Thank you for assisting the Division by posting a copy of this notice in your office. A public copy of
this notice is required by Colorado Air Quality Control Commission regulations. The notice must be
available for public inspection for a period of thirty (30) days from the beginning of the public notice
period. Please reference the public notice for instructions on submitting comments.
4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe
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Jared Polis, Governor I Jill Hunsaker Ryan, MPH, Executive Director
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e Notice of a Proposed Project or Activity Warranting Public
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Air Pollution Control Division
Website Title: Crestone Peak Resources Operating, LLC - Grant Salisbury Elmquist 14H -C268 Battery - Weld
County
Notice Period Begins: August 15, 2023
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: Crestone Peak Resources Operating, LLC
Facility: Grant Salisbury Elmquist 14H -C268 Battery
Well Production Facility
NENW quadrant of Section 14, Township 2N, Range 68W
Weld County
The proposed project or activity is as follows: Applicant proposes to modify the condensate tank permit
15WE1413 with a reduced throughput and update the site specific emission factors. Additionally, applicant
proposes to modify the gas venting permit 20WE0606 with a reduced throughput while maintaining
previously approved emission factors. The facility is in the severe ozone nonattainment area and is synthetic
minor for VOC NANSR, PSD, and OP programs and synthetic minor for n -hexane.
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 15WE1413 20WE0606
are available on the Division's website at https://www.colorado.gov/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/cdphe/air-permit-public-notices. This page also
includes guidance for public participation
Send an email to cdphe_apcd_airpermitcomments@state.co.us
Send written comments to our mailing address:
Air Pollution Control Division - Oil Et Gas Unit
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B1
Denver, Colorado 80246-1530
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NOTE: Comments submitted to the division will be uploaded to an online document repository and will be
accessible to the public. Your comments and the division's responses are not considered confidential and will
be publicly accessible, including your name and any other personal information you provide in your
comments.
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