Question

Q. Which of the following air pollutants is included in the National Ambient Air Quality Standards (NAAQS)?

Select the correct answer using the code given below:

• A. 1, 2 and 3 only
• B. 2, 3 and 4 only
• C. 1, 2 and 4 only
• D. 1, 2, 3 and 4 only

Answer 1

The correct option is C 1, 2 and 4 only

Explanation:

Central Pollution Control Board (CPCB) has notified these standards under powers given to it under the Air (Prevention and Control of Pollution) Act, 1981. It covers 12 pollutants: Sulphur Dioxide, Nitrogen Dioxide, PM-10, PM-2.5, Ozone, Lead, Carbon Monoxide, Ammonia, Benzene, BenzoPyrene, Arsenic, Nickel.