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n <br /> Standards for Effluent Quality <br /> Septic Tank <br /> Effluent <------------ Advanced Pre-Treatment ----------> 1 <br /> NSF <br /> ANSI 40 <br /> BOD-S: 350 mg/I CBOD: 15 CBOD: 10 <br /> TSS: 100 mg/I TSS: 15 TSS: 10 <br /> TKN: 100 mg/I NH3: 10 NH3: 10 <br /> 7 to 15 x better than DSE <br />