Computer · Environmental Engineering
The annual average permissible ambient concentration of Sulphur Dioxide (SO2) in industrial, residential, and rural areas as per the National Ambient Air Quality Standards (NAAQS) in India is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1365 μg/m3
- 280 μg/m3
- 360 μg/m3
- 450 μg/m3✓
Correct answer
50 μg/m3
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