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 IX - Zirconium-Hafnium › Section NR 273.094 - New source performance standards

Current through June 24, 2024
Any new source subject to this subchapter shall achieve the
					 following standards:
Table 9-23
Zirconium-Hafnium
Extrusion Press Hydraulic Fluid Leakage
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium extruded
Chromium
0.104
0.043
Cyanide
0.069
0.029
Nickel
0.455
0.301
Ammonia
31.6
13.9
Fluoride
14.1
6.26
Oil and grease
4.74
2.85
Total suspended solids
9.72
4.62
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-24
Zirconium-Hafnium
Heat Treatment Contact Cooling Water
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium heat treated
Chromium
0.015
0.006
Cyanide
0.010
0.004
Nickel
0.066
0.044
Ammonia
4.57
2.01
Fluoride
2.04
0.906
Oil and grease
0.686
0.412
Total suspended solids
1.41
0.669
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-25
Zirconium-Hafnium
Surface Treatment Spent Baths
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium surface treated
Chromium
0.150
0.061
Cyanide
0.099
0.041
Nickel
0.653
0.432
Ammonia
45.3
20.0
Fluoride
20.0
8.98
Oil and grease
6.80
4.08
Total suspended solids
14.0
6.63
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-26
Zirconium-Hafnium
Surface Treatment Rinse
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium surface treated
Chromium
0.391
0.160
Cyanide
0.258
0.107
Nickel
1.71
1.13
Ammonia
119
52.1
Fluoride
52.9
23.5
Oil and grease
17.8
10.7
Total suspended solids
36.4
17.3
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-27
Zirconium-Hafnium
Alkaline Cleaning Spent Baths
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium alkaline cleaned
Chromium
0.704
0.288
Cyanide
0.464
0.192
Nickel
3.07
2.03
Ammonia
214
93.8
Fluoride
95.2
42.3
Oil and grease
32.0
19.2
Total suspended solids
65.6
31.2
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-28
Zirconium-Hafnium
Alkaline Cleaning Rinse
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium alkaline cleaned
Chromium
1.38
0.565
Cyanide
0.911
0.377
Nickel
6.03
3.99
Ammonia
419
184
Fluoride
187
82.9
Oil and grease
62.8
37.7
Total suspended solids
129
61.3
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-29
Zirconium-Hafnium
Sawing or Grinding Spent Emulsions
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium sawed or ground with emulsions
Chromium
0.124
0.051
Cyanide
0.082
0.034
Nickel
0.540
0.357
Ammonia
37.5
16.50
Fluoride
16.7
7.42
Oil and grease
5.62
3.37
Total suspended solids
11.5
5.48
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-30
Zirconium-Hafnium
Molten Salt Rinse
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium treated with molten salt
Chromium
0.333
0.136
Cyanide
0.220
0.091
Nickel
1.45
0.960
Ammonia
101
44.3
Fluoride
45.0
20.0
Oil and grease
15.1
9.07
Total suspended solids
31.0
14.8
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-31
Zirconium-Hafnium
Sawing or Grinding Contact Cooling Water
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium sawed or ground with contact cooling water
Chromium
0.142
0.058
Cyanide
0.093
0.039
Nickel
0.617
0.408
Ammonia
42.8
18.8
Fluoride
19.1
8.48
Oil and grease
6.42
3.85
Total suspended solids
13.2
6.26
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-32
Zirconium-Hafnium
Sawing or Grinding Rinse
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  sawed or ground zirconium-hafnium rinsed
Chromium
0.079
0.033
Cyanide
0.052
0.022
Nickel
0.346
0.229
Ammonia
24.0
10.6
Fluoride
10.7
4.75
Oil and grease
3.60
2.16
Total suspended solids
7.38
3.51
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9-33
Zirconium-Hafnium
Inspection Testing Wastewater
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  zirconium-hafnium tested
Chromium
0.007
0.003
Cyanide
0.005
0.002
Nickel
0.030
0.020
Ammonia
2.06
0.903
Fluoride
0.917
0.407
Oil and grease
0.308
0.185
Total suspended solids
0.632
0.301
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all
					 times