**UNITED STATES**  **ENVIRONMENTAL PROTECTION**  **AGENCY REGION**  **IX 75**  **Hawthorne Street**  **San Francisco,**  **CA 94105-3901**  

## SEP **3 0 2016** 

**Dwight E.**  **Mallory Environmental/Regulatory**  **Manager Resolute**  **Natural Resources**  **Company, LLC**  **1700 Lincoln**  **Street, Suite**  **2800 Denver,**  **Colorado 80203**  **In Reply**  **Refer To:**  **AIR-3**

**NU 05-01** 



### Subject: **McElmo Creek**  **Unit Oil**  **Production Facility**  **Final PSD**  **Permit**

**Decision Dear**  **Mr. Mallory:**  **In accordance**  **with the**  **Clean Air**  **Act (CAA),**  **as amended**  **(42 U.S.C**  **7401 et** **seq.), the**  **United States**  **Environmental Protection**  **Agency (EPA),**  **Region 9** **has reviewed**  **your application**  **for a CAA**  **Prevention of** **Significant Deterioration**  **(PSD) permit**  **for the**  **McElmo Creek**  **Unit Oil**  **Production Facility**  **(MCU Facility).**  **The MCU**  **facility is**  **an existing**  **oil and**  **gas production**  **operation that**  **is owned,**  **in partnership**  **with Navajo Nation**  **Oil and**  **Gas Company,**  **and operated**  **by the**  **Resolute Natural**  **Resources Company**  **(Resolute), within**  **the Four**  **Comers Area**  **in the**  **Navajo Nation**  **Indian Reservation.**  **The application**  **requests permit**  **revisions relating**  **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) that**  **apply to**  **the Main**  **Flare at**  **the MCU**  **Facility. A**  **public notice**  **for the**  **EPA' s**  **proposed permit**  **action was**  **announced in**  **the following**  **newspapers in**  **the Four**  **Comers Area:**  **Navajo Times,**  **Farmington Daily**  **Times, Cortez**  **Journal, and**  **San Juan**  **Record. Enclosed**  **please find**  **your signed**  **permit and**  **our notice**  **announcing the**  **EPA Region**  **9's final** **permit decision.**  **This final** **permit decision**  **will become**  **effective thirty**  **(30) days**  **after the**  **service of** **notice of** **this final** **permit decision,**  **unless a**  **petition for**  **appeal is** **properly and**  **timely filed**  **with the**  **EPA's Environmental**  **Appeals Board**  **(EAB) under**  **40 CFR**  **124.19. The**  **final PSD**  **permit, Responses**  **to Public**  **Comments document,**  **and other**  **key documents**  **relevant to**  **the final** **permit are**  **also available**  **through a**  **link at**  **our website,** 

**Printtd on**  **Rtcycltd Paptr** **http://www.epa.gov/caa-permitting/prevention-significant-deterioration-psd-permits**

**issued-region-9 ,**  **or at** **http://www.regulations.gov (search:**  **EPA-R09-0AR-2014-0785). If** **you have**  **any questions,**  **you may**  **contact Shaheerah**  **Kelly at**  **(415) 947-4156**  **or kelly.shaheerah@epa.gov** 
**. Sincerely,** 

**Acting Director,**  **Air Division** 
**Enclosures**
**cc: Patrick**  **E. Flynn,**  **Resolute Natural**  **Resources Company**  **Tom Hormell,**  **McVehil-Monnett Associates,**  **Inc Dr.**  **Donald Benn,**  **Navajo Nation**  **EPA Eugenia**  **Quintana, Navajo Nation**  **EPA Raju**  **Bisht, Navajo**  **Nation EPA**  **Tennille Begay,**  **Navajo Nation**  **EPA**



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