A、CODcr≤60mg/l,BOD5≤10mg/l,浊度≤10NTU,氨氮≤15mg/l,总氮≤40mg/l,总磷≤1 mg/l,pH在6.5~8.5范围内
B、CODcr≤50mg/l,BOD5≤10mg/l,浊度≤5NTU,氨氮≤10mg/l,总氮≤40mg/l,总磷≤1 mg/l,pH在6.5~8.5范围内
C、CODcr≤50mg/l,BOD5≤15mg/l,浊度≤10NTU,氨氮≤15mg/l,总氮≤70mg/l,总磷≤1 mg/l,pH在6.5~8.5范围内
D、CODcr≤60mg/l,BOD5≤15mg/l,浊度≤5NTU,氨氮≤10mg/l,总氮≤70mg/l,总磷≤1 mg/l,pH在6.5~8.5范围内