Regulacje i polityka gospodarcza · 12/11/2013
Ambient Air Monitoring Reference and Equivalent Methods: Designation of Five New Equivalent Methods
Notice is hereby given that the Environmental Protection Agency (EPA) has designated, in accordance with 40 CFR Part 53, five new equivalent methods, one for measuring concentrations of PM 10 , one for measuring concentrations of PM 10-2.5 , two for measuring PM 2.5, and one for measuring NO 2 in the ambient air.