According to the WHO, what is the minimum bacteriological standard for drinking water

A. All the samples should not contain coliform organisms

B. 3 consecutive samples of water should not contain any coil forms

C. 3 coliforms in a 100 ml water

D. I coliform in a 100 ml water

Correct Answer: All the samples should not contain coliform organisms

Description: Ans. is 'a' i.e., All the samples should not contain coliform organisms

Category: Social & Preventive Medicine

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