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
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
