DEPARTMENT OFPUBLIC HEALTH Donald F. Schwarz, MD, MPH Deputy Mayor/or Health & Opportunity Health Commissioner 

# CITY OF PHILADELPHIA Nan Fcyler, JD, MPH ChiefofStalJ

Ms. Joyce Epps Department ofEnviromnental Protection Bureau ofAir Quality Rachel Carson Building 400 Market Street, P. O. Box 8468 Harrisburg, PA 17105-8468 Dear Ms. Epps: Air Management Services Thomas Huynh Director 321 University Avenue, 2ndFloor Philadelphia, PA 19104 Telephone (215) 685-7584 Fax (215) 685-9451
May 1,2014

On December 13,2013 (78 FR75902), the U.S. Environmental Protection Agency (EPA) conditionally approved Philadelphia's 1997 8-hour ozone Reasonably Available Control Technology (RACT) demonstration provided in the 2006 and 2010 Pennsylvania State ImplementationPlan (SIP) revisions, based upon a commitment from Philadelphia Air Management Services (AMS) to submit additional SIP revisions to provide source-specific RACT determinations for certainmajor sources ofVOC and NOx inPhiladelphia and a certificationthat previously adopted source-specific RACT controls approvedbyEPA inthe Pennsylvania's SIP under the I-hour ozone National Ambient Air Quality Standards (NAAQS) for the remaining sources inPhiladelphia Connty (as listed 

### in 40 CFR 52.2020(d)(I)) continue to adequately represent RACT for the 1997 8-hour ozone NAAQS. To fulfill that commitment, AMS is submitting the 1 st ofseveral SIP revisions to meet the 1997 8- hour ozone RACT. AMS is providing an updated RACT determination/ RACT plan approval for seven heaters at PhiladelphiaEnergy Solutions Refining and Marketing LLC (PES). Attached with this letter is a CD that contains the following documentation: Description FileName RACT Statement ofBasis PES 7 Heaters -12195 RACT Statement of Basis.pdf RACTPlanApproval Application PES 7 Heaters

- RACT Plan Approval Application REDACTED OCR.pdf Public Notice in newspaper PES 7 Heaters

- Daily News PublicNotice.pdf Public Notice proofofpublication PES 7 Heaters

- Daily News ProofOf Publication 121213600.pdfPublic Notice inPABulletin PES 7 heaters

- PA Bulletin 20131214.pdf Notification to neighboring states PES 7 Heaters

- Notificationto Neighboring States.pdf Comment response document PES 7 Heaters

- Corrunent Response Document.pdf Public hearing transcript PES 7 heaters

- Public Hearing Official transcript.pdf RACT PlanAooroval PES 7 Heaters

- RACT PlanAoproval.pdf Plan Approval PES 7 Heaters

- Plan Approval.pdf SIP revision link on AMS website to meet PA SIP revision link on AMS website to meet PA ACT 27 ACT 27.txt The public comment period for this SIP Revision took place from December 14, 2013 to January 13,2014. AMS received comments fi'om William O'Sullivan, Director, Division ofAir Quality, NewJersey Department ofEnvironmental Protection. AMS followed all ofthe applicable procedural requirements ofthe Commonwealth's laws and constitutionin conducting and completing the adoption/issuance ofthe SIP revision. Werequest thatthe Pennsylvania Department ofEnvironmental Protection approve this revision and forward it to EPARegion III with a recommendation for approval.

Thomas Huynh Director
Cc: IGrit Dalal, PADEP Christina Fernandez, EPA Region III

Enclosure