Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 273 - Nonferrous metals forming and metal powders › Subchapter I - Lead-Tin-Bismuth › Section NR 273.012 - 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 1-1
Lead-Tin-Bismuth
Rolling Spent Emulsions
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth rolled with emulsions
Antimony
0.068
0.030
Lead
0.010
0.005
Oil and grease
0.468
0.281
Total suspended solids
0.960
0.457
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-2
Lead-Tin-Bismuth
Rolling Spent Soap Solutions
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth rolled with soap solutions
Antimony
0.125
0.055
Lead
0.019
0.009
Oil and grease
0.860
0.520
Total suspended solids
1.80
0.840
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-3
Lead-Tin-Bismuth
Drawing Spent Emulsions
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth drawn with emulsions
Antimony
0.076
0.034
Lead
0.011
0.005
Oil and grease
0.526
0.316
Total suspended solids
1.08
0.513
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-4
Lead-Tin-Bismuth
Drawing Spent Soap Solutions
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth drawn with soap solutions
Antimony
0.022
0.010
Lead
0.003
0.002
Oil and grease
0.149
0.090
Total suspended solids
0.306
0.146
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-5
Lead-Tin-Bismuth
Extrusion Press and Solution Heat Treatment
Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth heat treated
Antimony
4.14
1.850
Lead
0.605
0.288
Oil and grease
28.80
17.30
Total suspended solids
59.10
28.10
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-6
Lead-Tin-Bismuth
Extrusion Press Hydraulic Fuel Leakage
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg(pounds per million off-pounds) of
								  lead-tin-bismuth extruded
Antimony
0.158
0.071
Lead
0.023
0.011
Oil and grease
1.10
0.660
Total suspended solids
2.26
1.07
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-7
Lead-Tin-Bismuth
Continuous Strip Casting
Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth cast by the continuous strip method
Antimony
0.003
0.001
Lead
0.0004
0.0002
Oil and grease
0.020
0.012
Total suspended solids
0.041
0.020
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-8
Lead-Tin-Bismuth
Semi-Continuous Ingot Casting
Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth ingot cast by the semi-continuous method
Antimony
0.085
0.038
Lead
0.013
0.006
Oil and grease
0.588
0.353
Total suspended solids
1.21
0.574
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-9
Lead-Tin-Bismuth
Shot Casting Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth shot cast
Antimony
0.107
0.048
Lead
0.016
0.008
Oil and grease
0.746
0.448
Total suspended solids
1.53
0.728
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-10
Lead-Tin-Bismuth
Shot-Forming Wet Air Pollution Control
Scrubber Blowdown
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth shot formed
Antimony
1.69
0.753
Lead
0.247
0.118
Oil and grease
11.8
7.06
Total suspended solids
24.1
11.5
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-11
Lead-Tin-Bismuth
Alkaline Cleaning Spent Baths
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds pounds) of lead-ti line
								  cleaned
per million off-n-bismuth alka-
Antimony
0.345
0.154
Lead
0.051
0.024
Oil and grease
2.40
1.44
Total suspended solids
4.92
2.34
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-12
Lead-Tin-Bismuth
Alkaline Cleaning Rinse
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth alkaline cleaned
Antimony
6.78
3.02
Lead
0.991
0.472
Oil and grease
47.2
28.4
Total suspended solids
96.8
46.0
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 1-13
Lead-Tin-Bismuth
Swaging Spent Emulsions
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  lead-tin-bismuth swaged with emulsion
Antimony
0.005
0.002
Lead
0.0007
0.0004
Oil and grease
0.036
0.022
Total suspended solids
0.073
0.034
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all
					 times