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(a) < 3.0 ppm
(b) < 10 ppm
(c) < 100 ppm
(d) < 30 ppm
[CBSE AIPMT 2006]
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.
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.