GEO 2020Q14
Q: Which of the following particulate matters (size based) are notified pollutants in National Ambient Air Quality Standards (NAAQS)?
(a)PM 10 and PM 3.5
(b)PM 9 and PM 2.5
(c)PM 10 and PM 2.5
(d)PM 5 and PM 3.5
Correct Answer: (c)
Detailed explanation coming soon.