[39 Pa.B. 4954]

[Saturday, August 15, 2009]

Throughout this Commonwealth, there are areas that do not meet the 8-hour ozone or fine particulate

(PM25)National Ambient Air Quality Standard (NAAQS). Concentrations of ground-level ozone and

PM25 above the Federal health-based NAAQS pose a serious human health threat and also cause damage

to crops, forests, wildlife and buildings. Citizens in this Commonwealth will benefit from reduced direct

exposure to diesel emissions produced by idling diesel-powered motor vehicles. Diesel emission

reductions will also assist the Commonwealth in achieving and maintaining the fine particulate and

ground-level ozone standards

On October 9, 2008, Governor Rendell signed the Diesel-Powered Motor Vehicle Idling Act (Act 124 of

2008; P. L. 1511, No. 124); the act became in effective on February 6, 2009. Act 124, codified at 35 S.

§ § 4601 --4610, reduces unnecessary idling of the main propulsion engine in diesel-powered motor

vehicles, including trucks and buses by restricting idling of heavy-duty diesel vehicles to 5 minutes in any

continuous 60-minute period. Act 124 is anticipated to annually reduce idling emissions in thisCommonwealth by approximately 1,622 tons of nitrogen oxides (NO), 45 tons of volatile organic

compounds (VOC5) and 30 tons of particulate matter (PM). By incorporating Act 124 into the

Pennsylvania SIP, Act 124 becomes enforceable by the United States Environmental Protection Agency

(EPA), in addition to continuing to be enforceable by state and local governmental entities. In addition, thisCommonwealth will be able to take credit in subsequent SIP revisions for emission reductions resultingfrom compliance with Act 124. This proposal is available on the Department of Environmental Protection’s(Department) web site at http://www.dep.state. pa.us/ (search Air Quality or Clean Air Plans) or through

the contact persons listed. Notice ofthe proposed SIP revision will also be published in at least six

newspapers of general circulation throughout this Commonwealth.

The Department is seeking comment only on the incorporation of Act 124 into the Commonwealth’s

State Implementation Plan (SIP). The Department will also hold three public hearings to receive oral

testimony on the proposed SIP revision. A hearing will be held in Harrisburg on Thursday, September 17,2009, at 1 p.m. at the Department’s Southcentral Regional Office, 909 Elmerton Avenue, Harrisburg, PA

17110. The public hearing in Norristown will be held on Friday, September 18, 2009, at 1 p.m. at

Department’s Southeast Regional Office, 2 East Main Street, Norristown, PA 19401. In addition, a hearingwill be held in Pittsburgh on Friday, September 18, 2009, at 1 p.m. at the Department’s SouthwestRegional Office, 400 Waterfront Drive, Pittsburgh, PA 15222.

Persons who wish to present testimony at a scheduled hearing should contact Yvette House, P. 0. Box

8468, Harrisburg, PA 17105, (717) 787-9495 or by e-mail at yhouse@state.pa.us. Persons who do not

reserve a time will be able to testifS’ as time allows. Witnesses should keep testimony to 10 minutes and

should provide two written copies oftheir statement at the hearing.

Persons with a disability who wish to attend the hearing and require an auxiliary aid, service or other

accommodation to participate in the proceeding should contact Yvette House at (717) 787-9495 or

file://P :\ARM\projects\Trucks\idling\Idling SIP\Final\PA Bulletin, Doe No 09-1472 .htm 1/6/2010
Secretary

[Pa.B. Doe. No. 09-1472. Filed for public inspection August 14, 2009, 9:00 a.m.1

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