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Home My WebLink About20251018.tiff7,(Ort. v fart) uiZ1 1 Ztj COLORADO a,t,„, �� Department of Public Health & Environment Weld County - Clerk to the Board 1150 0 St PO Box 758 Greeley, CO 80632 April 14, 2025 To Whom It May Concern: RECEIVED APR 14, 2025 WELD COUNTY COMMISSIONERS On April 14, 2025, the Colorado Air Pollution Control Division will begin a 30 -day public comment period for Bonanza Creek Energy Operating Company, LLC - Antelope Section 19 Compressor Station. 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. ov.coe, 4300 Cherry Creek Drive 5., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdohe h/ Jared Polis, Governor I Jill Hunsaker Ryan, MPH, Executive Director be, I'LCDIii04), 14L LD5I t_L) PLo C C.1-1- l C.K11JD 1 -PN is 13) Q 41141 ZS 2025-1018 Air Pollution Control Division Notice of a Proposed Construction Permit Warranting Public Comment Website Title: Bonanza Creek Energy Operating Company, LLC - Antelope Section 19 Compressor Station - Weld County Notice Period Begins: April 14, 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: Bonanza Creek Energy Operating Company, LLC Facility: Antelope Section 19 Compressor Station Natural Gas Compressor Station SESE Section 19, T5N, R62W Weld County The proposed project or activity is as follows: Bonanza Creek Energy Operating Company, LLC submitted a permit application to modify construction permit 12WE1563 to add two (2) SI RICE and one (1) tri-ethylene glycol dehydrator. These engines will replace the engines at points 023-024 at this facility currently covered under GP02s once this modification is issued. The tri-ethylene glycol dehydrator will replace the tri- ethylene glycol dehydrator currently at point 018 covered under this permit once this modification is issued. This permit application also requests to modify construction permit 23WE0147 to replace the SI RICE at point 025 of this facility with a like kind engine, and increase the permitted fuel consumption. An APEN AOS was received 6/14/2024 for this replacement under the permanent AOS provisions in the previous issuance of 23WE0147. This compressor station receives gas from several Bonanza Creek Antelope pipelines. The gas is received in the inlet gas scrubbers where any condensate is sent to the storage tanks and hauled away by truck as necessary. The tank vapors from the condensate tanks are routed to enclosed combustion devices. The gas is compressed and discharged to a 4 inch sales gas pipeline. The tri-ethylene glycol dehydrator is used to remove water from sales gas. The tri-ethylene glycol flash tank vapors are captured and recycled to the facility inlet, while any non -condensable vapors off of the still vent are routed to a dedicated 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdohe Jared Polis, Govemor I Jill Hunsaker Ryan, MPH, Executive Director enclosed combustion device. This facility is considered: - A major source of VOC under the NANSR and Title V programs - A synthetic minor source of VOC under the PSD program - A major source of NOx under the NANSR and Title V programs - A synthetic minor source of NOx under the PSD program - A synthetic minor source of CO under the PSD and Title V programs - A synthetic minor source of n -Hexane, Benzene, Toluene, Xylene, and total HAPs under the Title V program This permit is being sent to public comment because new synthetic minor limits are being requested for the new replacement equipment.. The division has determined that this permitting 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): • 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 number 12WE1563 and 23WE0147 are available on the division website: Air Permit Public Notices s\ 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdohe a;., Jared Polls, Governor I Jill Hunsaker Ryan, MPH, Executive Director 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 - Oil Et Gas 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). 7(f coic \ 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe �•�, J :��.f Jared Polls, Govemor I Jill Hunsaker Ryan, MPH, Executive Director Hello