Question:
In 4th quality class water, according to saprobic system, the number of bacteria:
Author: Exciteful ElkAnswer:
Exceeds 1 million / ml of water
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5 answer(s) in total
Alternative answers:
Is below (less than) 10'000 / ml
Is below 100 / ml
Is below 100'000 / ml
Exceeds 300 / ml of drinking water