# Iii**~:~N~~~~~E~A~~O~CTION** SECRETARY

June 25, 2015 Mr. ShawnM. Garvin Regional Administrator U.S. Environmental Protection Agency, Region III 1650 Arch Street (Mail Code: 3RAOO) Philadelphia,PA 19103-2029 DearMr. Garvin: Enclosed for your approval is a revision to Pennsylvania's State Implementation Plan (SIP) concerning amendments to 25 

### Pa. Code Chapters 121 and 139 (relating to general provisions; and sampling and testing) clarifying certainrequirements regarding the "Measurement and Reporting ofCondensable Particulate Matter Emissions." The final rulemaking was effective uponpublication in the 

### Pennsylvania Bulletin onApril 12, 2014 (44 

### Pa.B. 2236). The final rulemaking amends 25 

### Pa. Code § 139.12 (relating to emissions ofparticulate matter)
. to require the measurement and reporting offilterable and condensable particulate matter when testing to determine emissions ofparticulate matter (PM) from stationary sources, including coarse particles with diameters equal to or less than 10 micrometers and larger than 2.5 micrometers and fine particles with diameters equal to or less than 2.5 micrometers. The final rulemaking also amends 25 

### Pa. Code § 139.53 (relating to filing monitoring reports) to require submittal ofperiodic emissions monitoring test reports to the Department of Environmental Protection's (DEP) Regional Air Program Manager where the source is located; a copy ofthe report must also be submitted to the DEP Chiefofthe Source Testing and Monitoring Division. The ' final rulemaking also adds definitions for the terms "condensable particulate matter" and "filterable particulate matter" to 25 

### Pa. Code § 121.1 (relating to definitions).
. Proposed changes to regulatory language inthe approved SIP for §§ 121.1, 139.12, and 139.53, are shown inthe proposed rulemaking notice Annex A. Additions are noted inboldface text; deletions are noted withboldface and bracketed text. Changes from proposed language to final language are described in the preamble to the final rulemaking under SectionE. 

### Summary of Final-Form Rulemaking and Changesfrom Proposedto Final.:.Form Rulemaking. (44 

### Pa. B. 2236, 2238). This SIP revision submission includes one paper copy each ofthe final rulemaking notice published at 44 

### Pa.B. 2236, the proposed rulemaking notice published in the 

### Pennsylvania Bulletin at 42 

### Pa.B. 4363 (July 7,2012), a copy ofpage 2241 ofthe final rulemaking notice (44 

### Pa.B. 2241) withredacted text that is not part ofthis SIP revision submission, documentation ofthe public participationprocess including proofofpublic notice, and the Comment and Rachel Carson State Office Building I P.O. Box 2063 I Harrisburg, PA 17105-2063 717.787.2814 (f2z. Printed on Recycled Paper

### \6(9 www.depweb.state
.pa.us

### Mr. Shawn M. Garvin - 2 - 

### 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. I certify that the public participationrequirements· of40 CFR § 51.102 were met, including that public hearings were held onthe dates and at the locations advertised inthe proposedrulemaking notice (42 Pa.B. 

### 4363,4366). The Commonwealth followed all qfthe applicable procedural requirements ofthe Commonwealth's laws and constitution in conducting and completing the adoption/issuance ofthe SIP revision. Should you have questions or need additional informationregarding this submission, please contact Joyce E. Epps, Director ofthe Bureau ofAir Quality, bye-mail atjeepps@pa.gov orby telephone at 717.787.9702. Sincerely,

Enclosures
cc: DianaEsher, EPA Region III Cristina Femandez, EPA Region III