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federal_register: 2023-24495

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts
2023-24495 Ambient Air Monitoring Reference and Equivalent Methods; Designation of Two New Equivalent Methods Notice Notice is hereby given that the Environmental Protection Agency (EPA) has designated one new equivalent method for measuring concentrations of Lead (pb), and one new equivalent method for measuring concentrations of Particulate Matter (PM<INF>10</INF>) in ambient air. 2023-11-06 2023 11 https://www.federalregister.gov/documents/2023/11/06/2023-24495/ambient-air-monitoring-reference-and-equivalent-methods-designation-of-two-new-equivalent-methods https://www.govinfo.gov/content/pkg/FR-2023-11-06/pdf/2023-24495.pdf Environmental Protection Agency 145 Notice is hereby given that the Environmental Protection Agency (EPA) has designated one new equivalent method for measuring concentrations of Lead (pb), and one new equivalent method for measuring concentrations of Particulate Matter (PM<INF>10</INF>)...

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