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federal_register: 2015-21203

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts
2015-21203 Office of Research and Development; Ambient Air Monitoring Reference and Equivalent Methods: Designation of a Two New Equivalent Methods Notice Notice is hereby given that the Environmental Protection Agency (EPA) has designated, in accordance with 40 CFR part 53, two new equivalent methods: one for measuring concentrations of PM<INF>2.5</INF> and one for measuring concentrations of ozone (O<INF>3</INF>) in the ambient air. 2015-08-26 2015 8 https://www.federalregister.gov/documents/2015/08/26/2015-21203/office-of-research-and-development-ambient-air-monitoring-reference-and-equivalent-methods https://www.govinfo.gov/content/pkg/FR-2015-08-26/pdf/2015-21203.pdf Environmental Protection Agency 145 Notice is hereby given that the Environmental Protection Agency (EPA) has designated, in accordance with 40 CFR part 53, two new equivalent methods: one for measuring concentrations of PM<INF>2.5</INF> and one for measuring concentrations of ozone...

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