The maximum permissible limit (BIS) of turbidity in drinking water is

1.	The maximum permissible limit (BIS) of turbidity in drinking water is
A.	5 NTU
B.	10 NTU
C.	15 NTU
D.	20 NTU
Answer» C. 15 NTU

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The maximum permissible limit (BIS) of turbidity in drinking water is

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