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Question
The maximum prescribed concentration of copper in drinking water is ______.
Options
5 ppm
0.05 ppm
0.5 ppm
3 ppm
MCQ
Fill in the Blanks
Solution
The maximum prescribed concentration of copper in drinking water is 3 ppm.
Explanation:
Cu concentrations in drinking water should not exceed 3 ppm.
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Water Pollution and Its Causes - International Standards for Drinking Water
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