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).
Meaning of Indian name: Riya. Meaning of the name Riya is 'Singer'. Riya is a name of Hindu / Indian origin, and is commonly used for females.The name number for Riya is '8'. Click here to get the numerological analysis for the name 'Riya'.iya is a name of Hindu / Indian origin, and is commonly used for females.