A 100 ml sample of water is ?ltered through a sterile membrane, and the membrane is transferred to a plate of m-Endo agar. Following overnight incubation at 37°C, 57 green metallic colonies appear. The coliform count is _______.
A) acceptable for drinking water and recreational use
B) acceptable for recreational use but too high for drinking water
C) too high for both drinking water and recreational use
Correct Answer:
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A)
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A) sludge digesting
B)
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