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If the water is pure, BOD is 0. For normal water which is suitable for aquatic life to survive, the BOD is 9mg/l.
2 5 2
lol...if you wanna report it, you are free to report
i will be the one to delete it
huh?? then tell me na.
tell you what?
from where u got the ans??
The BOD level for pure water is 0 mg/l.

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