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COLORADO
Department of Public
Health & Environment
Weld County - Clerk to the Board
1150O St
PO Box 758
Greeley, CO 80632
September 28, 2023
To Whom it May Concern:
RECEIVED
SEP 2 8 2023
WELD COUNTY
`nt,AMISSIONERS
On September 28, 2023, the Air Pollution Control Division will begin a 30 -day public notice period for
Noble Energy Inc. - WELLS RANCH AE05, 06 ECONODE T6N-R62W-S6 L01. 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
Jared Polis, Governor I Jill Hunsaker Ryan, MPH, Executive Director
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�+• amNotice of a Proposed Project or Activity Warranting Public
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Comment
Air Pollution Control Division
Website Title: Noble Energy Inc. - WELLS RANCH AE05, 06 ECONODE T6N-R62W-S6 L01 - Weld County
Notice Period Begins: September 28, 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: Noble Energy Inc.
Facility: WELLS RANCH AE05, 06 ECONODE T6N-R62W-S6 L01
Well Production Facility
SENE Section 6, T6N, R62W
Weld County
The proposed project or activity is as follows: Noble Energy, Inc. submitted a permit application to develop
new emission factors and reduce the condensate throughput for eighteen (18) 538 barrel fixed roof
condensate storage vessels connected via liquid manifold at an oil and gas well production facility located in
the severe ozone non -attainment area. These condensate vessels receive liquid from the low pressure
scrubber separators at the facility. Two (2) Cimarron 3-48HV-90 enclosed combustion devices control VOC
and HAP emissions from this point. The facility is considered a synthetic minor source of VOC and NOx under
the NANSR and Title V programs. The facility is considered a synthetic minor source of CO under the Title V
program. This permit is being sent to public comment because new synthetic minor limits are being
requested.
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 23WE0117 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 % Gas Unit
2.02
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COLORADO
Deputmmt of Public
Hgalth & Eavirotunext
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B1
Denver, Colorado 80246-1530
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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COLORADO
DepartmentofPubllc
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