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Choose the correct set for international...

Choose the correct set for international standards for drinking water.
(P) `F^(ϴ) lt 2` ppm , (Q) `Pb lt 50` ppb
(R) `SO_(4)^(2-) le 500` ppm , (S) `NO_(3)^(-) le 50` ppm

A

P only

B

P and Q only

C

Q and S only

D

P, Q, R and S

Text Solution

Verified by Experts

The correct Answer is:
D
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