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### U.S. Environmental Protection Agency, Region 9


## PUBLIC INFORMATION S HEET

M C E LMO C REEK U NIT O IL P RODUCTION F ACILITY

F INAL PSD P ERMIT A MENDMENT N O . NU 05

- 01

ACTION

• On September 30, 2016 , the United States Environmental Protection Agency (EPA) , Region 9 issued a final Prevention of Significant Deterioration of Air Quality (PSD) permit amendment to the Resolute Natural Resources Company (Resolute) for the McElm o Creek Unit Oil Production Facility (MCU Facility)

. BACKGROUND

• The MCU Facility is an oil and gas operation located near the city of Aneth, Utah, in the Four Corners area on the Navajo Nation Indian Reservation.

• The EPA Region 9 amended the PSD permit to :

o I ncorporate pollution limits, and terms and conditions for the existing Main Flare at the MCU Facility pursuant to a federal Consent Decree ( United States v. Mobil Exploration and Producing U.S. Inc. , Case No. 2:05

– CV

– 319, filed June 8, 2005). These pollution limits, and terms and conditions include Best Available Control Technology (BACT) emission limitations for nitrogen oxides (NO x ), carbon monoxide (CO), sulfur dioxide (SO 2 ), and volatile organic compounds (VOCs).

o R emove and update other applicable requirements in the MCU Facility’s existing PSD permit due to equipment that has been shut down and removed from the site.

• Air pollution emissions for this permit action would not cause or contribute to violations of
an y National Ambient Air Quality Standards (NAAQS) or any applicable PSD increments.

• T his permit action does not authorize any new construction or modification of existing equipment at the MCU Facility.

• The EPA initially issued the PSD permit on February 2, 1987 , and amended the PSD permit on October 27, 1987, March 21, 1989, and April 19, 1991.

• The public comment period on the proposed PSD permit amendment began on October 15, 2014, and ended on November 20, 2014.Page 2 of 2 • The EPA held a formal public hearin g on November 20, 2014 , at the Aneth Chapter House, Aneth, UT , to receive oral and written comments on the proposed PSD permit amendment

. Immediately p rior to the public hearing, EPA held a public information meeting.

• The EPA held a separate public comment period from September 30, 2015 , through November 3, 2015 , for the consultation process under the National Historic Preservation Act (NHPA) to accept public comments on the EPA’s determination that issuance of the amended PSD permit for the Main Flare will have no effect upon historic properties within the area of potential effects, which consisted of an area within a 2 k ilometers (1.2 miles) radius around the Main Flare. The EPA did not receive any objections from the State Historic Preservation Officers for Utah, Arizona, New Mexico, and Colorado, as well as the Tribal Historic Preservation Officer for the Navajo Nation regarding the EPA’s determination. Additionally, the EPA d id not receive any comments from the public regarding the NHPA consultation.

• After careful review of the comments submitted during the public comment and all pertinent regulations, the EPA issued a final PSD permit amendment to Resolute for the MCU Facili ty
on September 30, 2016

. FOR MORE INFORMATION

• The final PSD permit amendment and most documents contained in the Administrative Record can be found at http://www.epa.gov/caa

- permitting/prevention

- significant

deterioration

- psd

- permits

- issued

- region

- 9 , or at http:// www.regulations.gov (Docket ID # EPA

- R09

- OAR

- 2014

- 0785 )

• The Administrative Record for the final PSD permit amendment , which consists of the proposed and final PSD permits, and all data submitted by the applicant in support of the final permit , is also available at the EPA Region 9 ’s Office at 75 Hawthorne Street, San Francisco, California , for public inspection Monday through Friday from 9:00 A.M. until 4:00 P.M., excluding legal holidays. Due to building security procedures, please call to
a rrange a visit 72 hours in advance. All public documents that are available in electronic form may be requested via e

- mail.

• For more information, contact Ms. Shaheerah Kelly at (415) 947

- 4156 or by e

- mail at R 9airpermits@epa.gov

.