The maximum desirable limit (BIS of mercury in the drinking water is July 20, 2022 – by admin Question: The maximum desirable limit (BIS of mercury in the drinking water is [A]. 0.05 mg/l [B]. 0.9 mg/l [C]. 0.1 mg/l [D]. 0.001 mg/l Answer: Option D Explanation: No answer description available for this question.