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The concentration of biodegradable organic matter after the septic tank is ___________

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in Environmental Engineering by (81.4k points)
The concentration of biodegradable organic matter  after the septic tank is ___________

(a) 50ppm

(b) 100ppm

(c) 200ppm

(d) 75ppm

I have been asked this question by my school teacher while I was bunking the class.

Enquiry is from Construction of Septic Tank topic in section Solid Waste Management, Aerobic & Anaerobic Stabilization Units of Environmental Engineering

1 Answer

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Best answer
Correct answer is (c) 200ppm

The best explanation: The effluent contains 200-250 ppm of biodegradable organic matter after the treatment from the septic tank.

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