Limit of BOD prescribed by Central Pollution control Board for the discharge of industrial and m...

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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 water, is -
(a) \( 30 \mathrm{ppm} \)
(b) \( 3.0 \mathrm{ppm} \)
(c) \( 10 \mathrm{ppm} \)
(d) \( 100 \mathrm{ppm} \)
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