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Regulacje i polityka gospodarcza · 12/09/2002

EPA Designates New Equivalent Methods for SO2 and O3 Measurement

The Environmental Protection Agency (EPA) has officially announced the designation of two new equivalent methods for measuring sulfur dioxide (SO2) and ozone (O3) concentrations in ambient air, as required by the Clean Air Act regulations.

Source: Federal Register — All DocumentsOpen original release →