A water sample is considered satisfactory by a presumptive coliform count when the count is atleast
Correct Answer: 0/100ml
Description: BACTERIOLOGICAL QUALITY OF DRINKING WATER ORGANISMS GUIDELINE VALUE E. coli or thermotolerant coliform bacteria Must not be detected in any 100 ml sample Total coliform bacteria Must not be detected in any 100 ml sample Ref: K. PARK's TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE, 25th edition, page no. 782.
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Social & Preventive Medicine
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