Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 254 - Iron and steel manufacturing › Subchapter IX - Acid Pickling Subcategory › Section NR 254.092 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

Current through June 24, 2024
Except as provided in
					 40 CFR 125.30
					 to
					 125.32, any
					 existing point source subject to this subchapter shall achieve the following
					 effluent limitations representing the degree of effluent reduction attainable
					 by application of BPT:
Table 81
Rod, Wire, and Coil Sulfuric Acid Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.0818
0.0350
O&G(1)
0.0350
0.0117
Lead
0.000526
0.000175
Zinc
0.000701
0.000234
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 82
Bar, Billet, and Bloom Sulfuric Acid Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.0263
0.0113
O&G(1)
0.0113
0.0375
Lead
0.000169
0.0000563
Zinc
0.000225
0.0000751
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 83
Strip, Sheet, and Plate Sulfuric Acid Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.0526
0.0225
O&G(1)
0.0225
0.00751
Lead
0.000338
0.000113
Zinc
0.000451
0.000150
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 84
Pipe, Tube, and Other Products Sulfuric Acid
					 Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.146
0.0626
O&G(1)
0.0626
0.0209
Lead
0.000939
0.000313
Zinc
0.00125
0.000417
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 85
Sulfuric Acid Pickling Fume Scrubbers
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
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 limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 86
Rod, Wire, and Coil Hydrochloric Acid Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.143
0.0613
O&G(1)
0.0613
0.0204
Lead
0.000920
0.000307
Zinc
0.00123
0.000409
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 87
Strip, Sheet, and Plate Hydrochloric Acid Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.0818
0.0350
O&G(1)
0.0350
0.0117
Lead
0.000526
0.000175
Zinc
0.000701
0.000234
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 88
Pipe, Tube, and Other Products Hydrochloric Acid
					 Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.298
0.128
O&G(1)
0.128
0.0426
Lead
0.00192
0.000638
Zinc
0.00255
0.000851
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 89
Hydrochloric Acid Pickling Fume Scrubbers
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
5.72
2.45
O&G(1)
2.45
0.819
Lead
0.00192
0.0123
Zinc
0.0491
0.0164
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 90
Absorber Vent Scrubber Wastewater From Hydrochloric Acid
					 Regeneration
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
38.2
16.3
O&G(1)
16.3
5.45
Lead
0.245
0.0819
Zinc
0.327
0.109
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 91
Rod, Wire, and Coil Combination Acid Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.149
0.0638
O&G(1)
0.0638
0.0213
Lead
0.00213
0.000852
Zinc
0.00192
0.000638
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 92
Bar, Billet, and Bloom Combination Acid Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.0672
0.0288
O&G(1)
0.0288
0.00960
Lead
0.000960
0.000384
Zinc
0.000864
0.000288
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 93
Strip, Sheet, and Plate Continuous Combination Acid
					 Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.438
0.188
O&G(1)
0.188
0.0626
Chromium
0.00626
0.00250
Zinc
0.00563
0.00188
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 94
Strip, Sheet, and Plate Batch Combination Acid
					 Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.134
0.0576
O&G(1)
0.0576
0.0192
Chromium
0.00192
0.000768
Nickel
0.00173
0.000576
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 95
Pipe, Tube, and Other Products Combination Acid
					 Pickling
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.225
0.0964
O&G(1)
0.0964
0.0322
Chromium
0.00322
0.00129
Nickel
0.00289
0.000964
pH
(2)
(2)
(1) The limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 96
Combination Acid Pickling Fume Scrubbers
BPT Effluent Limitations
Maximum for any 1 day
Average of daily values for 30 consecutive
								  days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
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 limitation for O&G is applicable when acid
					 pickling wastewaters are treated with cold rolling wastewaters.
(2) Within the range of 6.0 to 9.0