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the ambient air quality standard (24 hours average) for lead in industrial area is

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Q.

The ambient air quality standard (24 hours average) for lead in industrial area is

[A] 0.65 μg/m³

[B] 0.75 μg/m³

[C] 1.0 μg/m³

[D] 1.5 μg/m³

Answer & Explanation
Option: [D]

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