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).
Ronda Rousey is definitely the queen of MMA's cult of personality â feel free to debate whether or not that's a good thing â but there's one fighter who believes she can unseat her from the throne: Bethe Correia, Rousey's opponent at Saturday's UFC 190. Sidebar.