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 PM2.5 and one for measuring concentrations of ozone (O3 ) in the ambient air.
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Office of Research and Development; Ambient Air Monitoring Reference and Equivalent Methods: Designation of a Two New Equivalent Methods
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 concentrat...
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80 FR 51802
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“Office of Research and Development; Ambient Air Monitoring Reference and Equivalent Methods: Designation of a Two New Equivalent Methods,” thefederalregister.org (August 26, 2015), https://thefederalregister.org/documents/2015-21203/office-of-research-and-development-ambient-air-monitoring-reference-and-equivalent-methods-designation-of-a-two-new-equi.