The tolerance limit of oil and grease of sewage to be disposed on land is ____________ Options: A . &nbsp40ppm B . &nbsp30ppm C . &nbsp20ppm D . &nbsp10ppm

The tolerance limit of oil and grease of sewage to be disposed on land is _____

Question

The tolerance limit of oil and grease of sewage to be disposed on land is ____________

Options:

A . 40ppm

B . 30ppm

C . 20ppm

D . 10ppm

Answer: Option B
Answer: (b).30ppm

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