# pennsylvania
DEPARTMENT OF ENVIRONMENTAL PROTECTION SECRETARY
June 27, 2014 Mr. Shawn Garvin Regional Administrator U.S. Environmental ProtectionAgency, Region III 1650 Arch Street (Mail Code: 3RAOO) Philadelphia, PA 19103-2029 Dear Mr. Garvin: Enclosed for your approval is a revision to the Philadelphia County Portion ofthe Commonwealth ofPennsylvania's State ImplementationPlan (SIP). This SIP revisionpertains to the source-specific Reasonably Available Control Technology (RACT) determination for seven heaters at Philadelphia Energy Solutions Refining and Marketing LLC (PES) in Philadelphia (formerly Sunoco PhiladelphiaRefinery) for the 1997 8-hour ozone National Ambient Air Quality Standard (NAAQS). This SIP revision is being submittedto the U.S. Environmental ProtectionAgency (EPA) for approval in accordance with Section 110 of the CleanAir Act, 42 U.S.C.A. 

### § 7410. On April 17, 2013, PhiladelphiaAir Management Services (AMS) submitted a letter to EPA committing to submit additional SIP revisions to provide source-specific RACT determinations for certain major sources ofvolatile organic compounds and oxides ofnitrogen in Philadelphia County and a certificationthat source-specific RACT controls previously adopted under the I-hour ozone NAAQS for the remaining sources continue to adequately represent RACT for the 1997 8-hour ozone NAAQS. The commitmentresulted inEPA's conditional approval of Philadelphia County's 1997 8-hour ozone RACT demonstration (78 FR75902; December 13,2013). The enclosed SIP submittal concerning the "updated RACT determinationlRACT plan approval" for seven heaters at PES is the first ofseveral sourcespecific RACT SIP revisions that AMS will forward to DEP for processing and submittal to your agency. PhiladelphiaAMS is part ofa local health agency that is provided its enabling authority by Title 3, Air Management Code, whose powers and duties include the enforcement oflaws relating to public health withinthe City ofPhiladelphia. I have enclosed one hard copy and one compact disc copy ofthe entire submittal. The SIP revision includes the Plan Approval Application, RACT analysis, proofofpublication, the 

### P

A Bulletin notice, notification to neighboring states, the public hearing transcript, the comment and response document, the PlanApproval, and Statement ofBasis. I certify that the electronic files are exact duplicates ofthe hard copies.

Rachel Carson State Office Building I P.O. Box 2063 I Harrisburg, PA 17105-2063 717.787.2814 r:AJ. Printed on Recycled Paper

### \6'"fJ www.depweb.state.pa.us

### Mr. Shawn Garvin
- 2- The Commonwealthfollowed all ofthe applicable procedural requirements ofthe Commonwealth's laws and constitution in conducting and completing the adoption/issuance of the SIP revision. Thank you for your attentionto this matter. Should youhave any questions concerning this SIP revision, please contact Joyce E. Epps, Director ofthe Bureau ofAir Quality, bye-mail at jeepps@pa.gov orbytelephone at 717.787.9702. You may also contact Thomas Huynh, Director, Air Management Services, PhiladelphiaDepartment ofPublic Health, bye-mail at thomas.huynh@phila.gov orbytelephone at 215.685.7584. Sincerely,

E. Christopher Abruzzo Secretary Enclosures