The microbial quality of treated piped water supplies is monitored by

1.	The microbial quality of treated piped water supplies is monitored by
A.	Microscopic examination
B.	Plate count of heterotrophic bacteria
C.	Coliform MPN test
D.	Identification of all pathogens
Answer» D. Identification of all pathogens

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The microbial quality of treated piped water supplies is monitored by

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