40 CFR § 420.94 - 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
*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
*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
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
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
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.
(b) Hydrochloric acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.
Subpart I
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
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
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.
(c) Combination acid pickling (spent acid solutions and rinse waters)—(1) Rod, wire, and coil.
Subpart I
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
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
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
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
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
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.