Environment & Ecology · Environmental Pollution
According to Indian National Ambient Air Quality Standards, what is the permissible 24-hour average limit for Lead (Pb) in industrial areas?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.5 µg/m³
- 21.0 µg/m³
- 31.5 µg/m³✓
- 42.0 µg/m³
Correct answer
1.5 µg/m³
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