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Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre.

/ CHEMICAL ENGINEERING, Environmental Engineering / By
Question: Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre.
[A].

2

[B].

42

[C].

332

[D].

1050

Answer: Option B

Explanation:

No answer description available for this question.