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Q84. Which of the following pollutants are considered for Ambient Air Quality Standards but not for National Air Quality Index? 1. Benzene 2. Arsenic 3. Nickel 4. Lead Select the correct answer using the code given below.

Answer»

Q84. Which of the following pollutants are considered for Ambient Air Quality Standards but not for National Air Quality Index?

1. Benzene 2. Arsenic

3. Nickel 4. Lead

Select the correct answer using the code given below.




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