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).
Priyanka Chopra (pronounced [prÉªËjaËÅkaË ËtÊoËpÉ½aË]; born 18 July 1982) is an Indian actress, singer, philanthropist, and the winner of the Miss World 2000 pageant. One of India's highest-paid actresses and one of the nation's most popular celebrities, Chopra has also gained recognition for her sense of style.