Środowisko i energia · 06/08/2004

EPA Designates New Reference Method for NO2 and Equivalent Methods for PM2.5

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 three new equivalent methods for measuring particulate matter 2.5 (PM2.5) concentrations, in accordance with 40 CFR part 53.