New sources subject to this subpart must achieve the following new source performance standards (NSPS), as applicable.
(a) Any new source subject to the provisions of this section that commenced discharging after November 18, 1992 and before November 18, 2002 must continue to achieve the applicable standards specified in §420.24 of title 40 of the Code of Federal Regulations, revised as of July 1, 2001, except that after the expiration of the applicable time period specified in 40 CFR 122.29(d)(1), the source must also achieve the effluent limitations specified in §420.23 for 2,3,7,8-TCDF.
(b) The following standards apply with respect to each new source that commences construction after November 18, 2002.
(1) Sintering operations with wet air pollution control system. The following table presents NSPS for sintering operations with wet air pollution control systems:
Subpart B—New Source Performance Standards (NSPS)
| Regulated parameter | Maximum daily1 | Maximum monthly avg.1 |
|---|---|---|
| TSS | 0.0200 | 0.00751 |
| O&G | 0.00501 | |
| Ammonia-N2 | 0.0150 | 0.00501 |
| Cyanide2 | 0.00100 | 0.000501 |
| Phenols (4AAP)2 | 0.000100 | 0.0000501 |
| TRC3 | 0.000250 | |
| Lead | 0.000451 | 0.000150 |
| Zinc | 0.000676 | 0.000225 |
| pH | (4) | (4) |
| 2,3,7,8-TCDF | <ML |
1Pounds per thousand lb of product.
2Limits for these parameters apply only when sintering wastewater is co-treated with ironmaking wastewater.
3Applicable only when sintering process wastewater is chlorinated.
4Within the range of 6.0 to 9.0.
(2) 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 64265, Oct. 17, 2002, as amended at 70 FR 73623, Dec. 13, 2005]
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