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PA Bulletin, Doc. No. 17-1349


Proposed State Implementation Plan Revision; Attainment Demonstration for the Indiana Nonattainment Area for the 2010 Sulfur Dioxide National Ambient Air Quality Standard; Public Hearing

[47 Pa.B. 4771]
[Saturday, August 12, 2017]

 The Department of Environmental Protection (Department) is seeking public comment on a proposed State Implementation Plan (SIP) revision which demonstrates how the Indiana nonattainment area will attain the 2010 1-hour Federal National Ambient Air Quality Standard (NAAQS) for Sulfur Dioxide (SO2). Short-term exposure to SO2 has been linked to adverse respiratory conditions in humans.

 On June 22, 2010, the United States Environmental Protection Agency (EPA) promulgated a revised primary NAAQS for SO2 of 75 parts per billion, which went into effect on August 23, 2010. See 75 FR 35520 (June 20, 2010). On August 5, 2013, the EPA designated four areas in this Commonwealth as nonattainment for the 2010 1-hour SO2 NAAQS, including the Indiana nonattainment area. See 78 FR 47191 (August 5, 2013). These nonattainment designation areas were effective on October 4, 2013. See 78 FR 47192. The Indiana SO2 nonattainment area includes all of Indiana County and Plumcreek Township, South Bend Township and Elderton Borough in Armstrong County. Section 192(a) of the Clean Air Act (CAA) (42 U.S.C.A. § 7514a(a)) requires SO2 nonattainment areas to attain the 2010 NAAQS as expeditiously as practicable, but no later than 5 years from the effective date of EPA's 2013 designations, which is October 4, 2018.

 The proposed SIP revision meets the requirements necessary for an approvable SIP revision as set forth in sections 110, 172, 191 and 192 of the CAA and 40 CFR 51.102 (relating to public hearings), including a base year emission inventory, reasonable further progress toward attainment, installation of reasonably available control measures/technology, dispersion modeling demonstrating attainment in 2018, approved New Source Review program and contingency measures. To this effect, the Department has drafted Consent Order and Agreements with Homer City Generation, LP and Seward Generation, LLC, and drafted Orders for Genon NE Management Company for the Keystone Station and Conemaugh Plant to incorporate control measures, emission limits and contingency measures applicable to the facilities into a Federally enforceable vehicle. After consideration of comments received from the public, the SIP revision will be finalized and submitted to the EPA for approval.

 The proposed SIP revision is available on the Department's web site at or by contacting Amanda Rodriguez at (717) 787-9702 or

 The Department will hold a public hearing to receive comments on the proposal on September 13, 2017, at 1 p.m. in the Waterfront A and B Rooms, Southwest Regional Office, 500 Waterfront Drive, Pittsburgh, PA 15222. Persons wishing to present testimony should contact the Department no less than 24 hours in advance of the public hearing to reserve a time. Reservation requests should be directed to Amanda Rodriguez, P.O. Box 8468, Harrisburg, PA 17105, (717) 787-9702 or to reserve a time. Speakers will be limited to 10 minutes and should provide two written copies of their comments.

 Persons with a disability who wish to attend a hearing and require an auxiliary aid, service or other accommodation to participate in the proceeding should contact Amanda Rodriguez at (717) 787-9702 or TDD users may contact the Pennsylvania AT&T Relay Service at (800) 654-5984 to discuss how the Department can best accommodate their needs.

 The Department must receive comments no later than September 15, 2017. Commentators are encouraged to submit comments using the Department's eComment system at or by e-mail to Written comments may be submitted to the Policy Office, Department of Environmental Protection, 400 Market Street, Harrisburg, PA 17105-2063. Use ''Indiana 2010 SO2'' as the subject line in written communication.


[Pa.B. Doc. No. 17-1349. Filed for public inspection August 11, 2017, 9:00 a.m.]

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