A conventional pollutant is a term used in the USA to describe a water pollutant that is amenable to treatment by a municipal sewage treatment plant. A basic list of conventional pollutants is defined in the U.S. Clean Water Act. The list has been amended in regulations issued by the Environmental Protection Agency:
- biochemical oxygen demand (BOD)
- fecal coliform bacteria
- oil and grease
- pH (exceeding regulatory limits)
- total suspended solids (TSS).
The Secondary Treatment Regulation contains national discharge standards for BOD, pH and TSS, applicable to sewage treatment plants in the U.S.
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Famous quotes containing the word conventional:
“Westminster Abbey is nature crystallized into a conventional form by man, with his sorrows, his joys, his failures, and his seeking for the Great Spirit. It is a frozen requiem, with a nation’s prayer ever in dumb music ascending.”
—M. E. W. Sherwood (1826–1903)