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Regulacje i polityka gospodarcza · 26/09/2019

EPA Designates New Reference Method for Nitrogen Dioxide and Amends Existing PM 2.5 Method

The Environmental Protection Agency (EPA) has announced the designation of a new reference method for measuring nitrogen dioxide (NO2) concentrations in ambient air, as well as an amendment to an existing reference method for measuring particulate matter (PM10) concentrations.

Source: Federal Register — All DocumentsOpen original release →