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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)
pounds) of
dealuminize
d scrap
produced
-------------------------
Lead.......................................... 0.010 0.005
Cyanide (total)............................... 0.007 0.003
Fluoride...................................... 1.225 0.697
Tin........................................... 0.013 0.008
Total suspended solids........................ 0.525 0.420
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(c) Tin mud acid neutralization filtrate.


NSPS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
neutralized
dewatered
tin mud
produced
-------------------------
Lead.......................................... 1.413 0.656
Cyanide (total)............................... 1.009 0.404
Fluoride...................................... 176.600 100.400
Tin........................................... 1.918 1.110
Total suspended solids........................ 75.710 60.560
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(d) Tin hydroxide wash.


NSPS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin
hydroxide
washed
-------------------------
Lead.......................................... 3.347 1.554
Cyanide (total)............................... 2.391 0.956
Fluoride...................................... 418.400 237.900
Tin........................................... 4.542 2.630
Total suspended solids........................ 179.300 143.400
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(e) Spent electrowinning solution from new scrap.


NSPS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode tin
produced
-------------------------
Lead.......................................... 4.704 2.184
Cyanide (total)............................... 3.360 1.344
Fluoride...................................... 588.000 334.300
Tin........................................... 6.384 3.696
Total suspended solids........................ 252.000 201.600
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(f) Spent electrowinning solution from municipal solid waste.


NSPS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
MSW scrap
used as raw
material
-------------------------
Lead.......................................... 0.033 0.015
Cyanide (total)............................... 0.024 0.010
Fluoride...................................... 4.165 2.368
Tin........................................... 0.045 0.026
Total suspended solids........................ 1.785 1.428
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(g) Tin hydroxide supernatant from scrap.


NSPS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin metal
recovered
from scrap
-------------------------
Lead.......................................... 15.580 7.233
Cyanide (total)............................... 11.130 4.451
Fluoride...................................... 1,947.000 1,107.000
Tin........................................... 21.140 12.240
Total suspended solids........................ 834.600 667.700
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(h) Tin hydroxide supernatant from plating solutions and sludges.


NSPS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin metal
recovered
from
plating
solutions
and sludges
-------------------------
Lead.......................................... 32.20 14.95
Cyanide (total)............................... 23.00 9.20
Fluoride...................................... 4,025.00 2,289.00
Tin........................................... 43.70 25.30
Total suspended solids........................ 1,725.00 1,380.00
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(i) Tin hydroxide filtrate.


NSPS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin metal
produced
-------------------------
Lead.......................................... 7.012 3.256
Cyanide (total)............................... 5.009 2.004
Fluoride...................................... 876.500 498.400
Tin........................................... 9.517 5.510
Total suspended solids........................ 375.700 300.500
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


§ 421.295 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 secondary tin process wastewater introduced into a POTW must not exceed the following values:

(a) Tin smelter SO2 scrubber.


PSES for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
crude
tapped tin
produced
-------------------------
Arsenic....................................... 12.790 5.703
Lead.......................................... 2.575 1.196
Iron.......................................... 11.040 5.611
Tin........................................... 3.495 2.024
------------------------------------------------------------------------


(b) Dealuminizing rinse.


PSES for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
dealuminize
d scrap
produced
-------------------------
Lead.......................................... 0.010 0.005
Cyanide (total)............................... 0.007 0.003
Fluoride...................................... 1.225 0.697
Tin........................................... 0.013 0.008
------------------------------------------------------------------------


(c) Tin mud acid neutralization filtrate.


PSES for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
neutralized
dewatered
tin mud
produced
-------------------------
Lead.......................................... 1.413 0.656
Cyanide (total)............................... 1.009 0.404
Fluoride...................................... 176.600 100.400
Tin........................................... 1.918 1.110
------------------------------------------------------------------------


(d) Tin hydroxide wash.


PSES for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin
hydroxide
washed
-------------------------
Lead.......................................... 3.347 1.554
Cyanide (total)............................... 2.391 0.956
Fluoride...................................... 418.400 237.900
Tin........................................... 4.542 2.630
------------------------------------------------------------------------


(e) Spent electrowinning solution from new scrap.


PSES for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode tin
produced
-------------------------
Lead.......................................... 4.704 2.184
Cyanide (total)............................... 3.360 1.344
Fluoride...................................... 588.000 334.300
Tin........................................... 6.384 3.696
------------------------------------------------------------------------


(f) Spent electrowinning solution from municipal solid waste.


PSES for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
MSW scrap
used as raw
material
-------------------------
Lead.......................................... 0.033 0.015
Cyanide (total)............................... 0.024 0.010
Fluoride...................................... 4.165 2.368
Tin........................................... 0.045 0.026
------------------------------------------------------------------------


(g) Tin hydroxide supernatant from scrap.


PSES for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin metal
recovered
from scrap
-------------------------
Lead.......................................... 15.580 7.233
Cyanide (total)............................... 11.130 4.451
Fluoride...................................... 1,947.000 1,107.000
Tin........................................... 21.140 12.240
------------------------------------------------------------------------


(h) Tin hydroxide supernatant from plating solutions and sludges.


PSES for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin metal
recovered
from
plating
solutions
and sludges
-------------------------
Lead.......................................... 32.20 14.95
Cyanide (total)............................... 23.00 9.20
Fluoride...................................... 4,025.00 2,289.00
Tin........................................... 43.70 25.30
------------------------------------------------------------------------


(i) Tin hydroxide filtrate.


PSES for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin metal
produced
-------------------------
Lead.......................................... 7.012 3.256
Cyanide (total)............................... 5.009 2.004
Fluoride...................................... 876.500 498.400
Tin........................................... 9.517 5.510
------------------------------------------------------------------------


§ 421.296 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 tin process wastewater introduced into a POTW shall not exceed the following values:

(a) Tin smelter SO2 scrubber.


PSNS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
crude
tapped tin
produced
-------------------------
Arsenic....................................... 12.790 5.703
Lead.......................................... 2.575 1.196
Iron.......................................... 11.040 5.611
Tin........................................... 3.495 2.024
------------------------------------------------------------------------


(b) Dealuminizing Rinse.


PSNS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
dealuminize
d scrap
produced
-------------------------
Lead.......................................... 0.010 0.005
Cyanide (total)............................... 0.007 0.003
Fluoride...................................... 1.225 0.697
Tin........................................... 0.013 0.008
------------------------------------------------------------------------


(c) Tin mud acid neutralization filtrate.


PSNS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million of
pounds) of
neutralized
dewatered
tin mud
produced
-------------------------
Lead.......................................... 1.413 0.656
Cyanide (total)............................... 1.009 0.404
Fluoride...................................... 176.600 100.400
Tin........................................... 1.918 1.110
------------------------------------------------------------------------


(d) Tin hydroxide wash.


PSNS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin
hydroxide
washed
-------------------------
Lead.......................................... 3.347 1.554
Cyanide (total)............................... 2.391 0.956
Fluoride...................................... 418.400 237.900
Tin........................................... 4.542 2.630
------------------------------------------------------------------------


(e) Spent electrowinning solution from new scrap.


PSNS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode tin
produced
-------------------------
Lead.......................................... 4.704 2.184
Cyanide (total)............................... 3.360 1.344
Fluoride...................................... 588.000 334.300
Tin........................................... 6.384 3.696
------------------------------------------------------------------------


(f) Spent electrowinning solution from municipal solid waste.


PSNS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
MSW scrap
used as raw
material
-------------------------
Lead.......................................... 0.033 0.015
Cyanide (total)............................... 0.024 0.010
Fluoride...................................... 4.165 2.368
Tin........................................... 0.045 0.026
------------------------------------------------------------------------


(g) Tin hydroxide supernatant from scrap.


PSNS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin metal
recovered
from scrap
-------------------------
Lead.......................................... 15.580 7.233
Cyanide (total)............................... 11.130 4.451
Fluoride...................................... 1,947.000 1,107.000
Tin........................................... 21.140 12.240
------------------------------------------------------------------------


(h) Tin hydroxide supernatant from plating solutions and ludges.


PSNS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin metal
recovered
from
plating
solutions
and sludges
-------------------------
Lead.......................................... 32.20 14.95
Cyanide (total)............................... 23.00 9.20
Fluoride...................................... 4,025.00 2,289.00
Tin........................................... 43.70 25.30
------------------------------------------------------------------------


(i) Tin hydroxide filtrate.


PSNS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin metal
produced
-------------------------
Lead.......................................... 7.012 3.256
Cyanide (total)............................... 5.009 2.004
Fluoride...................................... 876.500 498.400
Tin........................................... 9.517 5.510
------------------------------------------------------------------------


§ 421.297 [Reserved]
top
Subpart AB—Primary and Secondary Titanium Subcategory
top
Source: 50 FR 38380, Sept. 20, 1985, unless otherwise noted.

§ 421.300 Applicability: Description of the primary and secondary titanium subcategory.
top
The provisions of this subpart are applicable to discharges resulting from the production of titanium at primary and secondary titanium facilities. Facilities which only practice vacuum distillation for sponge purification and which do not practice electrolytic recovery of magnesium are exempt from regulations. All other primary and secondary titanium facilities are covered by these regulations.

§ 421.301 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.

§ 421.302 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) Chlorination off-gas wet air pollution control.


BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
TiCl4
produced
-------------------------
Chromium (total).............................. 0.412 0.168
Lead.......................................... 0.393 0.187
Nickel........................................ 1.797 1.189
Titanium...................................... 0.880 0.384
Oil and grease................................ 18.720 11.230
Total suspended solids........................ 38.380 18.250
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
AA\1\Within the range of 7.5 to 10.0 at all times.


(b) Chlorination area-vent wet air pollution control.


BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
TiCl4
produced
-------------------------
Chromium (total).............................. 0.412 0.168
Chromium (total).............................. 0.458 0.187
Lead.......................................... 0.437 0.208
Nickel........................................ 1.997 1.321
Titanium...................................... 0.978 0.426
Oil and grease................................ 20.800 12.480
Total suspended solids........................ 42.640 20.280
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
AA\1\Within the range of 7.5 to 10.0 at all times.


(c) TiCl4 handling wet air pollution control.


BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
TiCl4
handled
-------------------------
Chromium (total).............................. 0.082 0.034
Lead.......................................... 0.079 0.037
Nickel........................................ 0.359 0.237
Titanium...................................... 0.176 0.077
Oil and grease................................ 3.740 2.244
Total suspended solids........................ 7.667 3.647
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
AA\1\Within the range of 7.5 to 10.0 at all times.


(d) Reduction area wet air pollution control.


BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 18.170 7.435
Lead.......................................... 17.350 8.261
Nickel........................................ 79.300 52.450
Titanium...................................... 38.820 16.930
Oil and grease................................ 826.100 495.600
Total suspended solids........................ 1,693.000 805.400
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
AA\1\Within the range of 7.5 to 10.0 at all times.


(e) Melt cell wet air pollution control.


BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 9.352 3.826
Lead.......................................... 8.927 4.251
Nickel........................................ 40.810 26.990
Titanium...................................... 19.980 8.714
Oil and grease................................ 425.100 255.000
Total suspended solids........................ 871.400 414.500
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(f) Chlorine liquefaction wet air pollution control.


BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 130.900 53.560
Lead.......................................... 125.000 59.510
Nickel........................................ 571.300 377.900
Titanium...................................... 279.700 122.000
Oil and grease................................ 5,951.000 3,571.000
Total suspended solids........................ 12,200.000 5,702.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(g) Sodium reduction container reconditioning wash water.


BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.564 0.231
Lead.......................................... 0.538 0.256
Nickel........................................ 2.461 1.628
Titanium...................................... 1.205 0.526
Oil and grease................................ 25.640 15.380
Total suspended solids........................ 52.560 25.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(h) Chip crushing wet air pollution control.


BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 10.090 4.126
Lead.......................................... 9.627 4.584
Nickel........................................ 44.010 29.110 (continued)
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