Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available control technology economically achievable (BAT).

(a) Sintering operations with wet air pollution control system. The following table presents BAT limitations for sintering operations with wet air pollution control systems:

Subpart B—Effluent Limitations (BAT)

Regulated parameterMaximum daily 1Maximum monthly avg. 1
Ammonia-N 20.01500.00501
Cyanide 20.003000.00150
Lead0.0004510.000150
Phenols (4AAP) 20.0001000.0000501
2,3,7,8-TCDF
TRC 30.000250
Zinc0.0006760.000225

1 Pounds per thousand lb of product.

2 Limits for these parameters apply only when sintering waste water is co-treated with ironmaking wastewater.

3 Applicable only when sintering process wastewater is chlorinated.

(b) Sintering operations with dry air pollution control system. There shall be no discharge of process wastewater pollutants to waters of the U.S.

[67 FR 64264, Oct. 17, 2002]