water, is
(a) < 3.0 ppm
(b) < 10 ppm
(c) < 100 ppm
(d) < 30 ppm
[CBSE AIPMT 2006]
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Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal waste water into natural surface
Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal waste water into natural surface
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Correct Option (b) Reason : The Central Pollution Control Board prescribed the BOD limit for the discharge of industrial and municipal waste water as < 10 ppm.