National Ambient Air Quality Standards (NAAQS) The Clean Air Act, which was last amended in 1990, requires EPA to set National Ambient Air Quality Standards (40 CFR part 50) for pollutants considered harmful to public health and the environment. The Clean Air Act identifies two types of national ambient air quality standards.
Riya Jain is an actress, known for Apartment: Rent at Your Own Risk (2010).
Candid photos of Siya of the âSisterhood of Hip Hopâ. Oct 3, 2014 7:05 AM by Renee Gardner. Siya has been grinding for a minute, but thanks to Oxygenâs â Sisterhood of Hip Hop ,â the Brooklyn, New-York-born rapper is getting the shine she deserves.