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40 CFR PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY
1-40CFR421.txt - CFR - 5/16/2006 0:00:00 - Regulation - US

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(continued)
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per/
million
pounds) 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.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per/
million
pounds) of
tungsten
metal
produced
-------------------------
Lead.......................................... 0.862 0.400
Zinc.......................................... 3.142 1.294
Ammonia (as N)................................ 410.600 180.500
------------------------------------------------------------------------


(l) Subpart J—Reduction to Tungsten Water of Formation.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per/
million
pounds) of
tungsten
metal
produced
-------------------------
Lead.......................................... 0.137 0.064
Zinc.......................................... 0.499 0.205
Ammonia (as N)................................ 65.190 28.660
------------------------------------------------------------------------


(m) Subpart J—Tungsten Powder Acid Leach and Wash.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
metal
produced
-------------------------
Lead.......................................... 0.672 0.312
Zinc.......................................... 2.448 1.008
Ammonia (as N)................................ 319.900 140.700
------------------------------------------------------------------------


(n) Subpart J—Molybdenum Sulfide Precipitation 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
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 1708, Jan. 21, 1988]

§ 421.104 Standards of performance for new sources.
top
Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Subpart J—Tungstic Acid Rinse.


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungstic
acid (as W)
produced
-------------------------
Lead.......................................... 11.490 5.333
Zinc.......................................... 41.850 17.230
Ammonia (as N)................................ 5,469.000 2,404.000
Total suspended solids........................ 615.400 492.300
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.


(b) Subpart J—Acid Leach Wet Air Pollution


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungstic
acid (as W)
produced
-------------------------
Lead.......................................... 1.003 0.466
Zinc.......................................... 3.653 1.504
Ammonia (as N)................................ 477.400 209.900
Total suspended solids........................ 53.720 42.970
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.


(c) Subpart J—Alkali Leach Wash.


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
sodium
tungstate
(as W)
produced
-------------------------
Lead.......................................... 0.000 0.000
Zinc.......................................... 0.000 0.000
Ammonia (as N)................................ 0.000 0.000
Total suspended solids........................ 0.000 0.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.


(d) Subpart J—Alkali Leach Wash Condensate.


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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
Total suspended solids........................ 287.800 229.600
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.


(e) Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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
Total suspended solids........................ 1,327.000 1,062.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.


(f) Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
ammonium
tungstate
(as W)
produced
-------------------------
Lead.......................................... 24.780 11.500
Zinc.......................................... 90.240 37.160
Ammonia (as N) (\2\).......................... 11,790.000 5,185.000
Total suspended solids........................ 1,327.000 1,062.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.
\2\ The new source 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.


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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
Total suspended solids........................ 1,107.000 885.600
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.


(h) Subpart J—Crystallization and Drying of Ammonium Paratungstate.


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
ammonium
paratungsta
te (as W)
produced
-------------------------
Lead.......................................... 0.000 0.000
Zinc.......................................... 0.000 0.000
Ammonia (as N)................................ 0.000 0.000
Total suspended solids........................ 0.000 0.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.


(i) Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pound per
million
pounds) of
tungstic
oxide (as
W) produced
-------------------------
Lead.......................................... 0.773 0.359
Zinc.......................................... 2.817 1.160
Ammonia (as N)................................ 368.200 161.900
Total suspended solids........................ 41.430 33.150
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.


(j) Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungstic
oxide (as
W) produced
-------------------------
Lead.......................................... 0.018 0.008
Zinc.......................................... 0.064 0.026
Ammonia (as N)................................ 8.398 3.692
Total suspended solids........................ 0.945 0.756
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.


(k) Subpart J—Reduction to Tungsten 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
tungsten
metal
produced
-------------------------
Lead.......................................... .862 .400
Zinc.......................................... 3.142 1.294
Ammonia (as N)................................ 410.600 180.500
Total suspended solids........................ 46.200 36.960
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\Within the range of 7.0 to 10.0 at all times.


(l) Subpart J—Reduction to Tungsten Water of Formation.


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
metal
produced
-------------------------
Lead.......................................... .137 .064
Zinc.......................................... .499 .205
Ammonia (as N)................................ 65.190 28.660
Total suspended solids........................ 7.335 5.868
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\Within the range of 7.0 to 10.0 at all times.


(m) Subpart J—Tungsten Power Acid Leach and Wash.


NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungsten
metal
produced
-------------------------
Lead.......................................... .672 .312
Zinc.......................................... 2.448 1.008
Ammonia (as N)................................ 319.900 140.700
Total suspended solids........................ 36.000 28.800
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\Within the range of 7.0 to 10.0 at all times.


(n) Subpart J—Molybdenum Sulfide Precipitation 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
tungsten
metal
produced
-------------------------
Lead.......................................... .00 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
Total suspended solids........................ .000 .000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\Within the range of 7.0 to 10.0 at all times.


[49 FR 8812, Mar. 8, 1984, as amended at 53 FR 1709, Jan. 21, 1988]

§ 421.105 Pretreatment standards for existing sources.
top
Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources. The mass of wastewater pollutants in primary tungsten process wastewater introduced into a POTW shall not exceed the following values:

(a) Subpart J—Tungstic Acid Rinse.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungstic
acid (as W)
produced
-------------------------
Lead.......................................... 11.490 5.333
Zinc.......................................... 41.850 17.230
Ammonia (as N)................................ 5,469.000 2,404.000
------------------------------------------------------------------------


(b) Subpart J—Acid Leach Wet Air Pollution Control.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungstic
acid (as W)
produced
-------------------------
Lead.......................................... 1.003 0.466
Zinc.......................................... 3.653 1.504
Ammonia (as N)................................ 477.400 209.900
------------------------------------------------------------------------


(c) Subpart J—Alkali Leach Wash.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungstate
(as W)
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.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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).


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
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).


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) 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.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds 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 1711, Jan. 21, 1988]

§ 421.106 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 primary tungsten process wastewater introduced into a POTW shall not exceed the following values:

(a) Subpart J—Tungstic Acid Rinse.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tungstic
acid (as W)
produced
-------------------------
Lead.......................................... 11.490 5.333
Zinc.......................................... 41.850 17.230
Ammonia (as N)................................ 5,469.000 2,404.000
------------------------------------------------------------------------


(b) Subpart J—Acid Leach 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
acid (as W)
produced
-------------------------
Lead.......................................... 1.003 0.466
Zinc.......................................... 3.653 1.504
Ammonia (as N)................................ 477.400 209.900
------------------------------------------------------------------------


(c) Subpart J—Alkali Leach Wash.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any one day average
------------------------------------------------------------------------
mg/kg
(pounds per
million) of
sodium
tungstate(as W) (continued)
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