Environmentalhard · Past Paper
What is the maximum permissible limit of arsenic in drinking water according to WHO standards?
A0.01 mg/L
B0.1 mg/L
C1.0 mg/L
D5.0 mg/L
✓ Correct Answer: A — 0.01 mg/L
The WHO guideline value for arsenic in drinking water is 0.01 mg/L (10 ppb).
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