Loading (50 kb)...'
(continued)
produced
-------------------------
Lead.......................................... 0.000 0.000
Zinc.......................................... 0.000 0.000
Ammonia (as N)................................ 0.000 0.000
------------------------------------------------------------------------
(d) Subpart J—Alkali Leach Wash Condensate.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per
million) of
sodium
tungstate
(as W)
produced
-------------------------
Lead.......................................... 5.372 2.494
Zinc.......................................... 19.570 8.057
Ammonia (as N)................................ 2,557.000 1,124.000
------------------------------------------------------------------------
(e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per
million) of
ammonium
tungstate
(as W)
produced
-------------------------
Lead.......................................... 24.780 11.500
Zinc.......................................... 90.240 37.160
Ammonia (as N)................................ 11,790.000 5,185.000
------------------------------------------------------------------------
(f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per
million) of
ammonium
tungstate
(as W)
produced
-------------------------
Lead.......................................... 24.780 11.500
Zinc.......................................... 90.240 37.160
Ammonia (as N)(\1\)........................... 11,790.000 5,185.000
------------------------------------------------------------------------
\1\ The pretreatment standard for this pollutant does not apply if a)
the mother liquor feed to the ion exchange process or the raffinate
from the ion exchange process contains sulfates at concentrations
exceeding 1000 mg/l; b) this mother liquor or raffinate is treated by
ammonia steam stripping; and c) such mother liquor or raffinate is not
commingled with any other process or nonprocess waters prior to steam
stripping for ammonia removal.
(g) Subpart J—Calcium Tungstate Precipitate Wash.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per
million) of
calcium
tungstate
(as W)
produced
-------------------------
Lead.......................................... 20.670 9.594
Zinc.......................................... 75.280 31.000
Ammonia (as N)................................ 9,838.000 4,325.000
------------------------------------------------------------------------
(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per
million) of
ammonium
paratungsta
te (as W)
produced
-------------------------
Lead.......................................... 0.000 0.000
Zinc.......................................... 0.000 0.000
Ammonia (as N)................................ 0.000 0.000
------------------------------------------------------------------------
(i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per
million) of
tungstic
oxide (as
W) produced
-------------------------
Lead.......................................... 0.773 0.359
Zinc.......................................... 2.817 1.160
Ammonia (as N)................................ 368.200 161.900
------------------------------------------------------------------------
(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per
million) of
tungstic
oxide (as
W) produced
-------------------------
Lead.......................................... 0.018 0.008
Zinc.......................................... 0.064 0.026
Ammonia (as N)................................ 8.398 3.692
------------------------------------------------------------------------
(k) Subpart J—Reduction to Tungsten Wet Air Pollution Control.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per
million) of
tungsten
metal
produced
-------------------------
Lead.......................................... .862 .400
Zinc.......................................... 3.142 1.294
Ammonia (as N)................................ 410.600 180.500
------------------------------------------------------------------------
(l) Subpart J—Reduction to Tungsten Water of Formation.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg (lb/
million
lbs) of
tungsten
metal
produced
-------------------------
Lead.......................................... .137 .064
Zinc.......................................... .499 .205
Ammonia (as N)................................ 65.190 28.660
------------------------------------------------------------------------
(m) Subpart J—Tungsten Powder Acid Leach and Wash.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(parts per
million) of
tungsten
metal
produced
-------------------------
Lead.......................................... .672 .312
Zinc.......................................... 2.448 1.008
Ammonia (as N)................................ 319.900 140.700
------------------------------------------------------------------------
(n) Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(parts per
million) of
tungsten
metal
produced
-------------------------
Lead.......................................... 0.000 0.000
Zinc.......................................... 0.000 0.000
Ammonia (as N)................................ 0.000 0.000
------------------------------------------------------------------------
[49 FR 8812, Mar. 8, 1984, as amended at 53 FR 1712, Jan. 21, 1988]
§ 421.107 [Reserved]
top
Subpart K—Primary Columbium-Tantalum Subcategory
top
§ 421.110 Applicability: Description of the primary columbium-tantalum subcategory.
top
The provisions of this subpart are applicable to discharges resulting from the production of columbium or tantalum by primary columbium-tantalum facilities.
[49 FR 8817, Mar. 8, 1984]
§ 421.111 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.
[49 FR 8817, Mar. 8, 1984]
§ 421.112 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 practicable technology currently available:
(a) Subpart K—Concentrate Digestion Wet Air Pollution Control.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... 2.612 1.244
Zinc.......................................... 9.080 3.794
Ammonia (as N)................................ 829.000 364.500
Fluoride...................................... 217.700 124.400
Total suspended solids........................ 255.000 121.300
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(b) Subpart K—Solvent Extraction Raffinate.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... 3.888 1.851
Zinc.......................................... 13.520 5.647
Ammonia (as N)................................ 1,233.000 542.500
Fluoride...................................... 324.000 185.100
Total Suspended Solids........................ 379.500 189.500
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
AAWithin the range of 7.5 to 10.0 at all times.
(c) Subpart K—Solvent Extraction Wet Air Pollution Control.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... 1.032 .491
Zinc.......................................... 3.586 1.498
Ammonia (as N)................................ 327.400 143.900
Fluoride...................................... 85.960 49.120
Total suspended solids........................ 100.700 47.890
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(d) Subpart K—Precipitation and Filtration.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... 5.750 2.738
Zinc.......................................... 19.990 8.350
Ammonia (as N)................................ 1,825.000 802.200
Fluoride...................................... 479.100 273.800
Total suspended solids........................ 561.300 267.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(e) Subpart K—Precipitation and Filtration Wet Air Pollution Control.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... 26.680 12.700
Zinc.......................................... 92.730 38.740
Ammonia (as N)................................ 8,466.000 3,722.000
Fluoride...................................... 2,223.000 1,270.000
Total suspended solids........................ 2,604.000 1,239.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(f) Subpart K—Tantalum Salt Drying.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
salt dried
-------------------------
Lead.......................................... 25.430 12.110
Zinc.......................................... 88.390 36.930
Ammonia (as N)................................ 8,070.000 3,548.000
Fluoride...................................... 2,119.000 1,211.000
Total suspended solids........................ 2,482.000 1,181.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(g) Subpart K—Oxides Calcining Wet Air Pollution Control.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
columbium-
tantalum
oxide dried
-------------------------
Lead.......................................... 16.140 7.685
Zinc.......................................... 56.100 23.440
Ammonia (as N)................................ 5,122.000 2,252.000
Fluoride...................................... 1,345.000 768.500
Total suspended solids........................ 1,576.000 749.200
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(h) Subpart K—Reduction of Tantalum Salt to Metal.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
salt
reduced
-------------------------
Lead.......................................... 69.750 33.220
Zinc.......................................... 242.500 101.300
Ammonia (as N)................................ 22,140.000 9,732.000
Fluoride...................................... 5,813.000 3,322.000
Total suspended solids........................ 6,809.000 3,239.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(i) Subpart K—Reduction of Tantalum Salt to Metal Wet Air Pollution Control.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
salt
reduced
-------------------------
Lead.......................................... .858 .409
Zinc.......................................... 2.983 1.246
Ammonia (as N)................................ 272.400 119.700
Fluoride...................................... 71.510 40.860
Total suspended solids........................ 83.770 39.840
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(j) Subpart K—Tantalum Powder Wash.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
power
washed
-------------------------
Lead.......................................... 8.582 4.087
Zinc.......................................... 29.830 12.470
Ammonia (as N)................................ 2,724.000 1,198.000
Fluoride...................................... 715.200 408.700
Total suspended solids........................ 837.800 398.500
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(k) Subpart K—Consolidation and Casting Contact Cooling.
BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
columbium
or tantalum
cast or
consolidate
d
-------------------------
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
Fluoride...................................... .000 .000
Total suspended solids........................ .000 .000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
[49 FR 8817, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984; 50 FR 12253, Mar. 28, 1985]
§ 421.113 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) Subpart K—Concentrate Digestion Wet Air Pollution Control.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... .174 .081
Zinc.......................................... .635 .261
Ammonia (as N)................................ 82.910 36.450
Fluoride...................................... 21.770 12.440
------------------------------------------------------------------------
(b) Subpart K—Solvent Extraction Raffinate.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/Kg
(pounds per
million
pounds) of
concentrate
digested
--------------------------
Lead......................................... 2.592 1.203
Zinc......................................... 9.442 3.888
Ammonia (as N)............................... 1,233.000 542.5000
Fluoride..................................... 324.000 185.100
------------------------------------------------------------------------
(c) Subpart K—Solvent Extraction Wet Air Pollution Control.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... .069 .032
Zinc.......................................... .251 .103
Ammonia (as N)................................ 32.790 14.420
Fluoride...................................... 8.610 4.920
------------------------------------------------------------------------
(d) Subpart K—Precipitation and Filtration.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... 3.833 1.780
Zinc.......................................... 13.960 5.750
Ammonia (as N)................................ 1,825.000 802.200
Fluoride...................................... 479.100 273.800
------------------------------------------------------------------------
(e) Subpart K—Precipitation and Filtration Wet Air Pollution Control.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... 1.778 .826
Zinc.......................................... 6.478 2.668
Ammonia (as N)................................ 846.600 372.200
Fluoride...................................... 222.300 127.000
------------------------------------------------------------------------
(f) Subpart K—Tantalum Salt Drying.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
salt dried
-------------------------
Lead.......................................... 16.950 7.871
Zinc.......................................... 61.750 25.430
Ammonia (as N)................................ 8,070.000 3,548.000
Fluoride...................................... 2,119.000 1,211.000
------------------------------------------------------------------------
(g) Subpart K—Oxides Calcining Wet Air Pollution Control.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
columbium-
tantalum
oxide
-------------------------
Lead.......................................... 1.076 .500
Zinc.......................................... 3.919 1.614
Ammonia (as N)................................ 512.200 225.200
Fluoride...................................... 134.500 76.840
------------------------------------------------------------------------
(h) Subpart K—Reduction of Tantalum Salt to Metal.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
salt
reduced
-------------------------
Lead.......................................... 46.500 21.590
Zinc.......................................... 169.400 69.750
Ammonia (as N)................................ 22,140.000 9,732.000
Fluoride...................................... 5,813.000 3,322.000
------------------------------------------------------------------------
(i) Subpart K—Reduction of Tantalum Salt to Metal Wet Air Pollution Control.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
salt
reduced
-------------------------
Lead.......................................... .572 .266
Zinc.......................................... 2.084 .858
Fluoride...................................... 71.510 40.860
------------------------------------------------------------------------
(j) Subpart K—Tantalum Powder Wash.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
powder
washed
-------------------------
Lead.......................................... 5.721 2.656
Zinc.......................................... 20.840 8.582
Ammonia (as N)................................ 2,724.000 1,198.000
Fluoride...................................... 715.200 408.700
------------------------------------------------------------------------
(k) Subpart K—Consolidation and Casting Contact Cooling.
BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
columbium
or tantalum
cast or
consolidate
d
-------------------------
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
Fluoride...................................... .000 .000
------------------------------------------------------------------------
[49 FR 8817, Mar. 8, 1984, as amended at 50 FR 12253, Mar. 28, 1985]
§ 421.114 Standards of performance for new sources.
top
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Subpart K—Concentrate Digestion Wet Air Pollution Control.
NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
-------------------------
Lead.......................................... .174 .081
Zinc.......................................... .635 .261
Ammonia (as N)................................ 82.910 36.450
Fluoride...................................... 21.770 12.440
Total suspended solids........................ 9.330 7.464
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(b) Subpart K—Solvent Extraction Raffinate.
NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
digested
--------------------------
Lead......................................... 2.592 1.203
Zinc......................................... 9.442 3.888
Ammonia (as N)............................... 1,233.000 542.5000
Fluoride..................................... 324.000 185.100
Total Suspended Solids....................... 138.900 111.100
pH........................................... (\1\) (\1\)
------------------------------------------------------------------------
AA\1\ Within the range of 7.5 to 10.0 at all times.
(c)Subpart K—Solvent Extraction Wet Air Pollution Control. (continued)