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).
Popularity of the Name Riya. Riya is one of the most popular female names given to Indian-American baby girls. Overall, this is a low ranking name, but within the Hindu community specifically, Riya is a favorite. The name first appeared on the female naming charts in 2002 but resides at the very bottom of the charts.tymology & Historical Origin-Riya. Riya is a Hindu name (à¤°à¤¿à¤¯à¤¾) and means âsingerâ in Sanskrit. Because the name is Hindu in origin it is rarely used among English-speakers in the Western World. It is common among Indian immigrants to the West but it has yet to be adopted by the general population.