US Format C v3.2 - Home | FEMA.gov

Jul 26, 2013 · FEMA funding would be used to assist in the conversion of OWTS to clustered OWNRS. New OWNRS would be required to meet BAT standards of 10 mg/L BOD, 10 mg/L TSS, 10 mg/L TN, 1 mg/L TP. As estimated by Ayres Associates (1998), raw residential wastewaters typically contain 200 to 400 mg/L BOD, 200 to 400 mg/L TSS, 35 to 100 mg/L of TN, and 12 to ... ................
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