New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below. (a) Sulfuric acid pickling (spent acid solutions and rinse waters) —(1) Rod, wire, and coil. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days kg/kkg (pounds per 1,000 lb) of product TSS 0.0146 0.00626 O&G* 0.00626 0.00209 Lead 0.0000939 0.0000313 Zinc 0.000125 0.0000417 pH ( 1 ) ( 1 ) *The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 1 Within the range of 6.0 to 9.0. (2) Bar, billet, and bloom. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days kg/kkg (pounds per 1,000 lb) of product TSS 0.00876 0.00376 O&G* 0.00376 0.00125 Lead 0.0000563 0.0000188 Zinc 0.0000751 0.0000250 pH ( 1 ) ( 1 ) *The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 1 Within the range of 6.0 to 9.0. (3) Strip, sheet, and plate. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product TSS 0.0117 0.00501 O&G 1 0.00501 0.00167 Lead 0.0000751 0.0000250 Zinc 0.000100 0.0000334 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. (4) Pipe, tube and other products. Subpart I Pollutant or pollutant property New source performance standars Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product TSS 0.0204 0.00876 O&G 1 0.00876 0.00292 Lead 0.000131 0.0000438 Zinc 0.000175 0.0000584 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. (5) Fume scrubbers. Subpart I Pollutant or pollutant property New source performance standars Maximum for any 1 day Average of daily values for 30 consecutive days Kilograms per day TSS 5.72 2.45 O&G 1 2.45 0.819 Lead 0.0368 0.0123 Zinc 0.0491 0.0164 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. The above limitations shall be applicable to each fume scrubber associated with a sulfuric acid pickling operation. (b) Hydrochloric acid pickling (spent acid solutions and rinse waters) —(1) Rod, wire, and coil. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product TSS 0.0175 0.00751 O&G 1 0.00751 0.00250 Lead 0.000113 0.0000376 Zinc 0.000150 0.0000501 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. (2) Strip, sheet, and plate. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product TSS 0.0117 0.00501 O&G 1 0.00501 0.00167 Lead 0.0000751 0.0000250 Zinc 0.000100 0.0000334 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 1 Within the range of 6.0 to 9.0. (3) Pipe, tube, and other products. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product TSS 0.0321 0.0138 O&G 1 0.0138 0.00459 Lead 0.000206 0.0000688 Zinc 0.000275 0.0000918 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. (4) Fume scrubbers. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days Kilograms per day TSS 5.72 2.45 O&G 1 2.45 0.819 Lead 0.0368 0.0123 Zinc 0.0491 0.0164 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. The above limitations shall be applicable to each fume scrubber associated with a hydrochloric acid pickling operation. (c) Combination acid pickling (spent acid solutions and rinse waters) —(1) Rod, wire, and coil. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days kg/kkg (pounds per 1,000 lb) of product TSS 0.0204 0.00876 O&G 1 0.00876 0.00292 Chromium 0.000292 0.000117 Nickel 0.000263 0.0000876 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. (2) Bar, billet, and bloom. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days kg/kkg (pounds per 1,000 lb) of product TSS 0.0117 0.00501 O&G 1 0.00501 0.00167 Chromium 0.000167 0.0000667 Nickel 0.000150 0.0000501 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. (3) Strip, sheet and plate—continuous. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product TSS 0.0496 0.0213 O&G 1 0.0213 0.00710 Chromium 0.000710 0.000284 Nickel 0.000638 0.000213 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. (4) Strip, sheet, and plate—batch. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product TSS 0.0175 0.00751 O&G 1 0.00751 0.00250 Chromium 0.000250 0.000100 Nickel 0.000225 0.0000751 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. (5) Pipe, tube, and other products. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product TSS 0.0292 0.0125 O&G 1 0.0125 0.00418 Chromium 0.000418 0.000167 Nickel 0.000376 0.000125 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. (6) Fume scrubbers. Subpart I Pollutant or pollutant property New source performance standards Maximum for any 1 day Average of daily values for 30 consecutive days Kilograms per day TSS 5.72 2.45 O&G 1 2.45 0.819 Chromium 0.0819 0.0327 Nickel 0.0735 0.0245 pH ( 2 ) ( 2 ) 1 The limitations for oil and grease shall be applicable when acid pickling wastewaters are treated with cold rolling wastewaters. 2 Within the range of 6.0 to 9.0. The above limitations shall be applicable to each fume scrubber associated with a combination acid pickling operation. [47 FR 23284, May 27, 1982, as amended at 49 FR 21032, May 17, 1984]