Loading (50 kb)...'
(continued)
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
produced
-------------------------
Copper........................................ 6.583 3.137
Nickel........................................ 2.829 1.903
Ammonia (as N)................................ 685.600 301.400
Cobalt........................................ 14.194 6.223
Tungsten...................................... 17.900 7.972
------------------------------------------------------------------------
(d) Synthetic scheelite filtrate.
PSES for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
synthetic
scheelite
produced
-------------------------
Copper........................................ 21.330 10.170
Nickel........................................ 9.164 6.165
Ammonia (as N)................................ 2,221.000 976.300
Cobalt........................................ 45.984 20.160
Tungsten...................................... 57.980 25.820
------------------------------------------------------------------------
(e) Tungsten carbide leaching wet air pollution control.
PSES for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
carbide
scrap
-------------------------
Copper........................................ 2.241 1.068
Nickel........................................ 0.963 0.648
Ammonia (as N)................................ 233.400 102.600
Cobalt........................................ 4.833 2.119
Tungsten...................................... 6.093 2.714
------------------------------------------------------------------------
(f) Tungsten carbide wash water.
PSES for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
carbide
produced
-------------------------
Copper........................................ 10.670 5.083
Nickel........................................ 4.583 3.083
Ammonia (as N)................................ 1,111.000 488.300
Cobalt........................................ 22.999 10.083
Tungsten...................................... 29.000 12.920
------------------------------------------------------------------------
(g) Cobalt sludge leaching wet air pollution control.
PSES for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
from cobalt
sludge
-------------------------
Copper........................................ 45.800 21.830
Nickel........................................ 19.680 13.240
Ammonia (as N)................................ 4,770.000 2,097.000
Cobalt........................................ 98.756 43.295
Tungsten...................................... 124.500 55.460
------------------------------------------------------------------------
(h) Crystallization decant.
PSES for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
---------------------------
Copper...................................... 53.310 25.410
Nickel...................................... 22.910 15.410
Ammonia (as N).............................. 5,552.000 2,441.000
Cobalt...................................... 114.954 50.397
Tungsten.................................... 144.9 64.56
------------------------------------------------------------------------
(i) Acid wash decant.
PSES for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
---------------------------
Copper...................................... 24.400 11.630
Nickel...................................... 10.490 7.053
Ammonia (as N).............................. 2,541.000 1,117.000
Cobalt...................................... 52.611 23.065
Tungsten.................................... 66.34 29.55
------------------------------------------------------------------------
(j) Cobalt hydroxide filtrate.
PSES for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
---------------------------
Copper...................................... 72.510 34.560
Nickel...................................... 31.160 20.960
Ammonia (as N).............................. 7,551.000 3,320.000
Cobalt...................................... 156.346 68.543
Tungsten.................................... 197.1 87.8
------------------------------------------------------------------------
(k) Cobalt hydroxide filter cake wash.
PSES for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
-------------------------
Copper........................................ 139.600 66.510
Nickel........................................ 59.970 40.340
Ammonia (as N)................................ 14,530.000 6,389.000
Cobalt........................................ 300.094 131.932
Tungsten...................................... 379.400 169.000
------------------------------------------------------------------------
[50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31717, 31718, Aug. 3, 1990]
§ 421.316 Pretreatment standards for new sources.
top
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in secondary tungsten and cobalt process wastewater introduced into a POTW shall not exceed the following values:
(a) Tungsten detergent wash and rinse.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
scrap
washed
-------------------------
Copper........................................ 0.250 0.119
Nickel........................................ 0.107 0.072
Ammonia (as N)................................ 25.990 11.430
Cobalt........................................ 0.538 0.236
Tungsten...................................... 0.679 0.302
------------------------------------------------------------------------
(b) Tungsten leaching acid.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
produced
-------------------------
Copper........................................ 3.291 1.569
Nickel........................................ 1.414 0.951
Ammonia (as N)................................ 342.700 150.700
Cobalt........................................ 7.096 3.111
Tungsten...................................... 8.947 3.985
------------------------------------------------------------------------
(c) Tungsten post-leaching wash and rinse.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
produced
-------------------------
Copper........................................ 6.583 3.137
Nickel........................................ 2.829 1.903
Ammonia (as N)................................ 685.600 301.400
Cobalt........................................ 14.194 6.223
Tungsten...................................... 17.900 7.792
------------------------------------------------------------------------
(d) Synthetic scheelite filtrate.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
synthetic
scheelite
produced
-------------------------
Copper........................................ 21.330 10.170
Nickel........................................ 9.164 6.165
Ammonia (as N)................................ 2,221.000 976.300
Cobalt........................................ 45.984 20.160
Tungsten...................................... 57.980 25.820
------------------------------------------------------------------------
(e) Tungsten carbide leaching wet air pollution control.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
carbide
scrap
leached
-------------------------
Copper........................................ 2.241 1.068
Nickel........................................ 0.963 0.648
Ammonia (as N)................................ 233.400 102.600
Cobalt........................................ 4.833 2.119
Tungsten...................................... 6.093 2.714
------------------------------------------------------------------------
(f) Tungsten carbide wash water.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
carbide
produced
-------------------------
Copper........................................ 10.670 5.083
Nickel........................................ 4.583 3.083
Ammonia (as N)................................ 1,111.000 488.300
Cobalt........................................ 22.999 10.083
Tungsten...................................... 29.000 12.920
------------------------------------------------------------------------
(g) Cobalt sludge leaching wet air pollution control.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
from cobalt
sludge
-------------------------
Copper........................................ 45.800 21.830
Nickel........................................ 19.680 13.240
Ammonia (as N)................................ 4,770.000 2,097.000
Cobalt........................................ 98.756 43.295
Tungsten...................................... 124.500 55.460
------------------------------------------------------------------------
(h) Crystallization decant.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
-------------------------
Copper........................................ 53.310 25.410
Nickel........................................ 22.910 15.410
Ammonia (as N)................................ 5,552,000 2,441.000
Cobalt........................................ 114.954 50.397
Tungsten...................................... 144.900 64.560
------------------------------------------------------------------------
(i) Acid wash decant.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
-------------------------
Copper........................................ 24.400 11.630
Nickel........................................ 10.490 7.053
Ammonia (as N)................................ 2,541.000 1,117.000
Cobalt........................................ 52.611 23.065
Tungsten...................................... 66.340 29.550
------------------------------------------------------------------------
(j) Cobalt hydroxide filtrate.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
-------------------------
Copper........................................ 72.510 34.560
Nickel........................................ 31.160 20.960
Ammonia (as N)................................ 7,551.000 3,320.000
Cobalt........................................ 156.346 68.543
Tungsten...................................... 197.100 87.800
------------------------------------------------------------------------
(k) Cobalt hydroxide filter cake wash.
PSNS for the Secondary Tungsten and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
-------------------------
Copper........................................ 139.600 66.510
Nickel........................................ 59.970 40.430
Ammonia (as N)................................ 14,530.000 6,389.000
Cobalt........................................ 300.094 131.932
Tungsten...................................... 379.400 169.000
------------------------------------------------------------------------
[50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31718, 31719, Aug. 3, 1990]
§ 421.317 [Reserved]
top
Subpart AD—Secondary Uranium Subcategory
top
Source: 50 FR 38392, Sept. 20, 1985, unless otherwise noted.
§ 421.320 Applicability: Description of the secondary uranium subcategory.
top
The provisions of this subpart are applicable to discharges resulting from the production of uranium (including depleted uranium) by secondary uranium facilities.
§ 421.321 Specialized definitions.
top
For the purpose of this subpart the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.
§ 421.322 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
top
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practiacable technology currently available:
(a) Refinery sump filtrate.
BPT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
processed
in the
refinery
-------------------------
Chromium...................................... 32.270 13.200
Copper........................................ 139.300 73.340
Nickel........................................ 140.800 93.140
Fluoride...................................... 2,567.000 1,459.000
Total suspended solids........................ 3,007.000 1,430.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(b) Slag leach reslurry.
BPT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
processed
in the
refinery
-------------------------
Chromium (total).............................. 2.009 0.822
Copper........................................ 8.675 4.566
Nickel........................................ 8.767 5.799
Fluoride...................................... 159.800 90.860
Total suspended solids........................ 187.200 89.040
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(c) Solvent extraction raffinate filtrate.
BPT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
processed
in the
refinery
-------------------------
Chromium (total).............................. 2.802 1.146
Copper........................................ 12.100 6.369
Nickel........................................ 12.230 8.089
Fluoride...................................... 222.900 126.700
Total suspended solids........................ 261.100 124.200
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(d) Digestion wet air pollution control.
BPT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
processed
in the
refinery
-------------------------
Chromium (total).............................. 0.000 0.000
Copper........................................ 0.000 0.000
Nickel........................................ 0.000 0.000
Fluoride...................................... 0.000 0.000
Total suspended solids........................ 0.000 0.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(e) Evaporation and denitration wet air pollution control.
BPT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
trioxide
produced
-------------------------
Chromium (total).............................. 0.000 0.000
Copper........................................ 0.000 0.000
Nickel........................................ 0.000 0.000
Fluoride...................................... 0.000 0.000
Total suspended solids........................ 0.000 0.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(f) Hydrofluorination alkaline scrubber.
BPT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
tetrafluori
de produced
-------------------------
Chromium (total).............................. 0.009 0.004
Copper........................................ 0.038 0.020
Nickel........................................ 0.038 0.025
Fluoride...................................... 0.700 0.398
Total suspended solids........................ 0.820 0.390
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(g) Hydrofluorination water scrubber.
BPT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
tetrafluori
de produced
-------------------------
Chromium (total).............................. 0.000 0.000
Copper........................................ 0.000 0.000
Nickel........................................ 0.000 0.000
Fluoride...................................... 0.000 0.000
Total suspended solids........................ 0.000 0.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(h) Magnesium reduction and casting floor wash.
BPT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
produced by
magnesium
reduction
-------------------------
Chromium (total).............................. 0.013 0.005
Copper........................................ 0.057 0.030
Nickel........................................ 0.058 0.038
Fluoride...................................... 1.054 0.599
Total suspended solids........................ 1.234 0.587
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(i) Laundry wastewater.
BPT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
produced by
magnesium
reduction
-------------------------
Chromium (total).............................. 0.084 0.035
Copper........................................ 0.365 0.192
Nickel........................................ 0.369 0.244
Fluoride...................................... 6.720 3.821
Total suspended solids........................ 7.872 3.744
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
§ 421.323 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
top
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:
(a) Refinery sump filtrate.
BAT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
processed
in the
refinery
-------------------------
Chromium (total).............................. 27.14 11.00
Copper........................................ 93.88 44.74
Nickel........................................ 40.34 27.14
Fluoride...................................... 2,567.00 1,459.00
------------------------------------------------------------------------
(b) Slag leach reslurry.
BAT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
processed
in the
refinery
-------------------------
Chromium (total).............................. 1.689 0.685
Copper........................................ 5.844 2.785
Nickel........................................ 2.511 1.689
Fluoride...................................... 159.800 90.860
------------------------------------------------------------------------
(c) Solvent extraction raffinate filtrate.
BAT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
processed
in the
refinery
-------------------------
Chromium (total).............................. 2.357 0.955
Copper........................................ 8.152 3.885
Nickel........................................ 3.503 2.357
Fluoride...................................... 222.900 126.700
------------------------------------------------------------------------
(d) Digestion wet air pollution control.
BAT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
processed
in the
refinery
-------------------------
Chromium (total).............................. 0.000 0.000
Copper........................................ 0.000 0.000
Nickel........................................ 0.000 0.000
Fluoride...................................... 0.000 0.000
------------------------------------------------------------------------
(e) Evaporation and denitration wet air pollution control.
BAT Limitations for the Secondary Uranium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
uranium
trioxide
produced------------------------- (continued)