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PA Bulletin, Doc. No. 09-807

NOTICES

Pennsylvania's 2010 Ambient Air Monitoring Network Plan Available for Public Inspection

[39 Pa.B. 2268]
[Saturday, May 2, 2009]

   On October 17, 2006, the United States Environmental Protection Agency (EPA) promulgated final amendments to the National ambient air monitoring requirements for criteria pollutants at 40 CFR Parts 53 and 58 (relating to ambient air monitoring reference and equivalent methods; and ambient air quality surveillance). See 71 FR 61236 (October 17, 2006). The EPA's final rule requires state and local agencies to enhance air monitoring to ''improve public health protection and better inform the public about air quality in their communities.'' Section 58.10 of 40 CFR (relating to annual monitoring network plan and periodic network assessment) requires that monitoring agencies adopt an annual air-monitoring network plan, and make the plan available for public inspection for at least 30 days prior to final submission to the EPA Regional Administrator. The plan, which is due July 1, 2009, must include a statement of purpose for each monitor and evidence that siting and operation of each monitor meets Federal requirements. The EPA may also provide an opportunity for review and comment prior to approving or disapproving a State's Monitoring Network Plan.

   On November 12, 2008, the EPA promulgated revisions to the ambient lead particulate National Ambient Air Quality Standard (NAAQS) at 40 CFR Parts 50, 51, 53 and 58. See 73 FR 66964 (November 12, 2008). The EPA's final rule lowered the NAAQS to 0.15 micrograms per cubic meter based on a 3-month running average and provided new monitoring requirements for lead. Monitoring is required around sources emitting 1 ton per year or more of lead unless dispersion modeling shows that the maximum 3-month running average is less than 50% of the NAAQS. There are ten facilities in this Commonwealth where the Department of Environmental Protection (Department) is responsible for monitoring that meets the criteria for source-oriented monitoring.

   The Department is also implementing a strategy to replace manual PM2.5 samplers with continuous automated samplers that meet EPA's requirement of a Federal Equivalent Method (FEM). Use of the FEM samplers will improve the ability of the Department to provide real-time data on air quality as it relates to PM2.5 particulate matter, provide operational cost savings, and will still be used in determination of compliance with the NAAQS.

   On May 1, 2009, the 2010 Annual Air Monitoring Network Plan, including the plan to install new source-oriented lead monitors and upgrade PM2.5 particulate monitors, was made available for public comment on the Department's web site at www.dep.state.pa.us/dep/deputate/airwaste/aq/default.htm.

   The Department must receive comments by June 2, 2009. Written comments should be sent to the attention of Jeffrey Miller, Chief, Division of Air Quality Monitoring, Bureau of Air Quality, P. O. Box 8468, Harrisburg, PA 17105-8468 or by means of e-mail to jeffremill@state. pa.us. Use ''Annual Monitoring Network Plan'' as the mail addressee or in the subject line.

JOHN HANGER,   
Secretary

[Pa.B. Doc. No. 09-807. Filed for public inspection May 1, 2009, 9:00 a.m.]


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