# Pennsylvania

DEPARTMENT OF ENVIRONMENTAL PROTECTION

SECRETARY

March 2/ 2016

Mr. Shawn M. Garvin Regional Administrator U.S. Environmental Protection Agency, Region III 1650 Arch Street, (Mail Code: 3RA00) Philadelphia, PA 19103-2029 

### DearJ^KGarvnii Enclosed for your approval is a revision to Pennsylvania's State Implementation Plan (SIP) 

### concerning an amendmentto 25 Pa. Code Chapter 129 (relating to standards for sources) for implementationofreasonably available control technology (RACT) requirements for the control ofvolatile organic compound (VOC) emissions from fiberglass boat manufacturingmaterials. Recommendations ofwhat constitutes RACT for the control ofVOC emissions from these 

### materials are provided in the applicable control techniques guidelines issued by the United States Environmental Protection Agency (EPA) in September 2008 (See Control Techniques 

### Guidelinesfor Fiberglass Boat Manufacturing Materials, EPA 453/R-08-004). The final rulemaking adopting this regulatory amendment was effective upon publication in the Pennsylvania Bulletin on December 19, 2015 (45 Pa. B. 7127). 

### The final rulemaking adds § 129.74 (relating to control ofVOC emissions from fiberglass boat 

### manufacturingmaterials) to adopt RACT requirementsand RACT emission limitations for stationary sources ofVOC emissions from fiberglass boat manufacturing materials including open molding resins, gel coats and cleaning materials. This final rulemaking also adds terms and definitions to § 129.74 to support the interpretation ofthe measures. The requirements of 

### § 129.74 supersedethe requirements of a RACT permit issued under §§ 129.91—129.95 (relating to stationary sources ofNOx and VOCs) prior to December 19, 2015, to the owner or operator of a source subject to § 129.74 to control, reduce or minimize VOCs from a fiberglass boat manufacturing process, except to the extent the RACT permit contains more stringent requirements. 

### Requirements for the control ofVOC emissions from fiberglass boat manufacturing materials are not currently set forth in Pennsylvania's SIP codified in 40 CFR Part 52, Subpart NN. The final rulemaking Annex A sets forth new requirements to be approved and added to the SIP; the final rulemaking does not make changes to existing approved SIP requirements.
This SIP revision submission includes one paper copy each ofthe final rulemaking notice, the proposed rulemaking notice published in the Pennsylvania Bulletin at 44 Pa. B. 4502 (July 19, 2014), documentation ofthe public participation process including proof ofpublic notice and the proposed rulemaking notice, and the Department's public comment and response document. This submission also includes one compact disc ofelectronic files that are exact duplicates ofthe paper copy documents, including a copy ofthe signed transmittal letter.

Rachel Carson State Office Building | P.O. Box 2063 | Harrlsburg, PA 17105-2063 

### 717.787.2814 panted on Recycled Paper (S) WWW.depweb.State.pa.USMr. ShawnM. Garvin -2- March 2, 2016 

### I certify that the public participation requirements of40 CFR § 51.102 were met, including that public hearings were held on the dates and at the locations advertised in the proposed rulemaking notice (44 Pa. B. 4502, 4507). The Commonwealth followed all ofthe applicable procedural requirements ofthe State's laws and constitution in conducting and completing the adoption/issuance ofthe SIP revision. 

### Should you have questions regarding this submission, please contact Joyce E. Epps, Director of the Bureau ofAir Quality, by e-mail atjeepps@pa.gov or by telephone at 717.787.9702. Sineerely,

hn Quigley Secretary

Enclosures