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Regulacje i polityka gospodarcza · 28/10/2022

EPA Designates New Equivalent Method for Measuring PM 2.5 in Ambient Air

The Environmental Protection Agency (EPA) has announced the designation of a new equivalent method for measuring concentrations of Particulate Matter in the 2.5-micron range (PM 2.5) in ambient air, replacing an existing method.

Source: Federal Register — All DocumentsOpen original release →