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).
Go back to names list. Rishi is an Indian boys name, said to mean âwiseâ. âThe Rishiâ is a seer said to reveal Vedic Hymns when in a state of higher consciousness, therefore the names meaning is taken as âwiseâ. Rishi Kapoor is a popular Bollywood actor.