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PA Bulletin, Doc. No. 21-958



Pennsylvania's 2021 Annual Ambient Air Monitoring Network Plan

[51 Pa.B. 3395]
[Saturday, June 19, 2021]

 The Department of Environmental Protection (Department) is seeking public comment on Pennsylvania's 2021 Annual Ambient Air Monitoring Network Plan (Plan). The Plan has been updated to address changes that have been made in the Commonwealth's ambient air monitoring network and to identify anticipated changes in the remainder of 2021 and in 2022.

 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.'' Under 40 CFR 58.10 (relating to annual monitoring network plan and periodic network assessment), air quality state and local monitoring agencies must 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, 2021, 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.

 The Plan is available on the Department's web site at

 The Department must receive comments no later than Monday, July 19, 2021. Commentators are encouraged to submit comments using the Department's online eComment tool at or by e-mail to Comments submitted by facsimile will not be accepted. All comments, including comments submitted by e-mail, must include the commentator's name and address. Written comments can be mailed to the Policy Office, Department of Environmental Protection, Rachel Carson State Office Building, P.O. Box 2063, Harrisburg, PA 17105-2063. Use ''2021 Annual Monitoring Network Plan'' as the subject line in written communication.


[Pa.B. Doc. No. 21-958. Filed for public inspection June 18, 2021, 9:00 a.m.]

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