50. Threshold limit value of copper in the atmospheric air is A.0.001 mg/m3 B.0.01 mg/m3 C.1.0 mg/m3 D.5.0 mg/m3

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Abhishek Mishra

2 years ago

Answer: Option C Solution: The threshold limit value (TLV) of copper in atmospheric air is 1.0 mg/m3.

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