Search results with tag "Recommended water"

Oily Bilgewater Separators - United States Environmental ...

Aug 10, 2010 · Among the metals detected in bilgewater, dissolved copper, selenium, and zinc, as well as total arsenic, were consistently measured at concentrations exceeding the most stringent National Recommended Water Quality Criteria (NRWQC) from several vessel classes. The classical pollutants BOD. 5

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