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01/11/2021 4:32 pm
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Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal waste waters into natural surface waters is
(1) < 30 ppm
(2) < 10 ppm
(3) < 3.0 ppm
(4) < 100 ppm
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01/11/2021 4:33 pm
Correct answer: (2) < 10 ppm