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COLORADO
Department of Public
Health & Environment
Weld County - Clerk to the Board
1150 O St
PO Box 758
Greeley, CO 80632
July 22, 2025
To Whom It May Concern:
RECEIVED
JUL 2 2 2025
WELD COUNTY
COMMISSIONERS
On July 22, 2025, the Colorado Air Pollution Control Division will begin a 30 -day public
comment period for Verdad Resources LLC - Sonic Star 1101 Pad. 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 comment 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
J°I Jared Polls, Governor I Jill Hunsaker Ryan, MPH, Executive Director
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2025-2108
Website Title:
Air Pollution Control Division
Notice of a Proposed Construction Permit Warranting Public Comment
Verdad Resources LLC - Sonic Star 1101 Pad - Weld County
Notice Period Begins: July 22, 2025
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: Verdad Resources LLC
Facility: Sonic Star 1101 Pad
Well Production Facility
SESE Sec 11 T8N R60W
Weld County
The proposed project or activity is as follows:
Verdad Resources LLC submitted a permit application to convert permit coverage from the
existing GP10 to this permit for the following equipment:
-Two (2) 400 barrel fixed roof crude oil storage vessels connected via liquid manifold
-Two (2) 400 barrel fixed roof produced water storage vessels connected via liquid manifold
-Heater Treater venting during VRU compressor downtime
-Hydrocarbon liquid loadout from storage vessels to tank trucks using submerged fill
The heater treater venting portion of the application was cancelled during the permitting process
and that point (Point 010) no longer exists at this facility. These crude oil vessels receive liquid
from the oil surge tank during LACT downtime. During this LACT downtime, crude oil from these
vessels is hauled out via tank trucks using submerged fill and associated vapors are routed back to
the crude oil storage vessels. These produced water storage vessels receive liquid from a
commingled produced water stream consisting of the produced water streams from the 3 -phase
heated separators and the 3 -phase heater treaters. Emissions from the crude oil and produced
water storage vessels are routed to one (1) GCO ECD 2000 enclosed combustor. The facility is
considered a synthetic minor source of VOC under PSD, NANSR and Title V programs. This permit is
being sent to public comment because new synthetic minor limits are being requested.
4300 Cherry Creek Drive S., Denver, CO 80246-1530 I P 303-692-2000 I www.colorado.nov/cdphe
Jared Polls, Governor I Jill Hunsaker Ryan, MPH, Executive Director
The division has determined that thispermitting action is subject to public comment requirements
under Colorado Air Quality Control Commission Regulation Number 3, Part B, Section III.C due to
the following reason(s):
• This source is requesting a federally -enforceable limit on the potential to emit to avoid
other requirements. (Regulation Number 3, Part B, Section III.C.1.d.)
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 number
22WE0488.CP1 are available on the division website: Air Permit Public Notices
The division hereby solicits submission of public comments 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 (30) calendar days after the date of this notice. Comments may be submitted using the
following options:
Submit comments via web form: Form for Public Comment on Draft Permit
Submit comments via email: cdphe_apcd_airpermitcomments@state.co.us
Submit comments via mail:
Air Pollution Control Division - Construction Permit Unit
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B1
Denver, CO 80246-1530
NOTE: Comments submitted to the division will be uploaded to an online document repository and
will be accessible to the public. Your comment(s) and the division's response(s) are not considered
confidential and will be publicly accessible, including your name and any other personal
information you provide in your comment(s).
4300 Cherry Creek Drive S., Denver, CO 80246-1530 I P 303-692-2000 I www.colorado.gov/cdphe
Jared Polis, Governor I Jill Hunsaker Ryan, MPH, Executive Director
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