| Comment Periods Now Open
Public comments are now being accepted on:
 "Compliance Assurance Policy for Continuous Emission Monitoring Systems (CEMS) on Combustion Units". Interested persons may submit written comments on this draft technical guidance document by November 10, 2008.
"Interim Technical Guidance Pertaining to Continuous Source Monitoring Systems for Mercury". Comments will be accepted from September 27, 2008, to October 27, 2008.
"Applicability Determination and Implementation Procedures for Continuous Source Monitoring Manual Revision No. 8"
On October 9, 2008, Gov. Rendell signed the Diesel-Powered Motor Vehicle Idling Act into law (Act 124). Taking effect 120 days from enactment, the law restricts most diesel-powered motor vehicles over 10,000 pounds from idling more than five minutes in any continuous 60-minute period, with a number of exemptions. Visit the Pennsylvania Electronic Bill Room for a copy of SB 295.
Clean Air Interstate Rule Vacated
Read the opinion of the US Court of Appeals for the District of Columbia, decided July 11, 2008. On September 16, 2008, the EQB approved final rulemaking repealing Pennsylvania's Clean Air Interstate Rule to ensure the continuation of the Commonwealth's NOx Budget Trading Program.
Centralia Mine Fire Mercury Study
The DEP’s Bureau of Air Quality (BAQ) and the Bureau of Abandoned Mine Reclamation
(BAMR) partnered to
conduct a study of mercury emissions from a coal mine
fire, with financial support from the United States EPA and OSM. The final report
is now available. Pennsylvania's
Final Mercury Regulation
This regulation was published in the Pa.
Bulletin February 17, 2007.
Pennsylvania’s
Fine Particulate Nonattainment Designation Recommendations.
DEP has submitted its recommendations to the U.S. Environmental Protection Agency
(EPA) for the designation of areas not meeting the revised 24-hour health-based
National Ambient Air Quality Standards (NAAQS) for fine particulates (PM2.5). On August 18, EPA made preliminary designations which are expected to be finalized in December 2008.
2008
Dry Cleaner Compliance Calendar Now Available Pennsylvania
testifies on EPA's proposal for new ground-level ozone standard. Deputy
Secretary Thomas K. Fidler testified on behalf of the Commonwealth of Pa. on the
proposed change to the National Ambient Air Quality Standard for ozone. Read
his testimony... Collegeville Area Air Monitoring Report
DEP is
investigating trichloroethylene levels in the air for two reasons: historic groundwater
contamination and nearby air emission sources.
 Site
Information and Raw Data
1st
Report (PDF)(1/19/07)
2nd
Report (PDF)(3/07/08)
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