Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 274 - Nonferrous metals manufacturing › Subchapter XXIX - Secondary Tin › Section NR 274.293 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

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 BAT:
Table 29-10
Secondary Tin Tin Smelter Sulfur Dioxide
					 Scrubber
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of crude tapped
								  tin metal produced
Arsenic
12.790
5.703
Lead
2.575
1.196
Iron
11.040
5.611
Tin
3.495
2.024
Table 29-11
Secondary Tin Dealuminizing Rinse
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of dealuminized
								  scrap produced
Lead
0.010
0.005
Cyanide
0.007
0.003
Fluoride
1.225
0.697
Tin
0.013
0.008
Table 29-12
Secondary Tin Tin Mud Acid Neutralization
					 Filtrate
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of neutralized
								  dewatered tin mud produced
Lead
1.413
0.656
Cyanide
1.009
0.404
Fluoride
176.600
100.400
Tin
1.918
1.110
Table 29-13
Secondary Tin Tin Hydroxide Wash
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of tin
								  hydroxide washed
Lead
3.347
1.554
Cyanide
2.391
0.956
Fluoride
418.400
237.900
Tin
4.542
2.630
Table 29-14
Secondary Tin Spent Electrowinning Solution From New
					 Scrap
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of cathode tin
								  produced
Lead
4.704
2.184
Cyanide
3.360
1.344
Fluoride
588.000
334.300
Tin
6.384
3.696
Table 29-15
Secondary Tin Spent Electrowinning Solution From
					 Municipal Solid Waste
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of
municipal solid waste scrap used as a
raw material
Lead
0.033
0.015
Cyanide
0.024
0.010
Fluoride
4.165
2.368
Tin
0.045
0.026
Table 29-16
Secondary Tin Tin Hydroxide Supernatant From
					 Scrap
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of tin metal
								  recovered from scrap
Lead
15.580
7.233
Cyanide
11.130
4.451
Fluoride
1,947.000
1,107.000
Tin
21.140
21.140
Table 29-17
Secondary Tin Tin Hydroxide Supernatant From Plating
					 Solutions and Sludges
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of
tin metal recovered from plating
solutions and sludges
Lead
32.20
14.95
Cyanide
23.00
9.20
Fluoride
4,025.00
2,289.00
Tin
43.70
25.30
Table 29-18
Secondary Tin Tin Hydroxide Filtrate
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of crude tapped
								  tin metal produced
Lead
7.012
3.256
Cyanide
5.009
2.004
Fluoride
876.500
498.400
Tin
9.517
5.510