Loading (50 kb)...'
(continued)
(pounds per
million
pounds) of
equivalent
pure
tantalum
powder
produced
-------------------------
Copper........................................ 262.800 125.200
Lead.......................................... 57.480 26.690
Nickel........................................ 112.900 75.960
Zinc.......................................... 209.400 86.230
Tantalum...................................... 92.390 ...........
------------------------------------------------------------------------
(d) Tantalum powder acid wash and rinse.
BAT Limitations for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
powder
produced
-------------------------
Copper........................................ 0.448 0.214
Lead.......................................... 0.098 0.046
Nickel........................................ 0.193 0.130
Zinc.......................................... 0.357 0.147
Tantalum...................................... 0.158 ...........
------------------------------------------------------------------------
(e) Leaching wet air pollution control.
BAT Limitations for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
equivalent
pure
tantalum
powder
produced
-------------------------
Copper........................................ 6.246 2.977
Lead.......................................... 1.366 0.634
Nickel........................................ 2.684 1.806
Zinc.......................................... 4.978 2.050
Tantalum...................................... 2.196 ...........
------------------------------------------------------------------------
§ 421.284 Standards of performance for new sources.
top
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Tantalum alloy leach and rinse.
NSPS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
powder
produced
-------------------------
Copper........................................ 295.200 140.700
Lead.......................................... 64.570 29.980
Nickel........................................ 126.800 85.320
Zinc.......................................... 235.200 96.850
Tantalum...................................... 103.800 ...........
Total suspended solids........................ 3,459.000 2,767.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(b) Capacitor leach and rinse.
NSPS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
powder
produced
from
leaching
-------------------------
Copper........................................ 25.860 12.320
Lead.......................................... 5.656 2.626
Nickel........................................ 11.110 7.474
Zinc.......................................... 20.600 8.484
Tantalum...................................... 9.090 ...........
Total suspended solids........................ 303.000 242.400
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(c) Tantalum sludge leach and rinse.
NSPS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
equivalent
pure
tantalum
powder
produced
-------------------------
Copper........................................ 262.800 125.200
Lead.......................................... 57.480 26.690
Nickel........................................ 112.900 75.960
Zinc.......................................... 209.400 86.230
Tantalum...................................... 92.390 ...........
Total suspended solids........................ 3,080.000 2,464.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(d) Tantalum powder acid wash and rinse.
NSPS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
powder
produced
-------------------------
Copper........................................ 0.448 0.214
Lead.......................................... 0.098 0.046
Nickel........................................ 0.193 0.130
Zinc.......................................... 0.357 0.147
Tantalum...................................... 0.158 ...........
Total suspended solids........................ 5.250 4.200
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(e) Leaching wet air pollution control.
NSPS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
equivalent
pure
tantalum
powder
produced
-------------------------
Copper........................................ 6.246 2.977
Lead.......................................... 1.366 0.634
Nickel........................................ 2.684 1.806
Zinc.......................................... 4.978 2.050
Tantalum...................................... 2.196 ...........
Total suspended solids........................ 73.200 58.560
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
AA\1\ Within the range of 7.5 to 10.0 at all times.
§ 421.285 [Reserved]
top
§ 421.286 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 tantalum process wastewater introduced into a POTW shall not exceed the following values:
(a) Tantalum alloy leach and rinse.
PSNS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
powder
produced
-------------------------
Copper........................................ 295.200 140.700
Lead.......................................... 64.570 29.980
Nickel........................................ 126.800 85.320
Zinc.......................................... 235.200 96.850
Tantalum...................................... 103.800 ...........
------------------------------------------------------------------------
(b) Capacitor leach and rinse.
PSNS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
powder
produced
from
leaching
-------------------------
Copper........................................ 25.860 12.320
Lead.......................................... 5.656 2.626
Nickel........................................ 11.110 7.474
Zinc.......................................... 20.600 8.484
Tantalum...................................... 9.090 ...........
------------------------------------------------------------------------
(c) Tantalum sludge leach and rinse.
PSNS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
equivalent
pure
tantalum
powder
produced
-------------------------
Copper........................................ 262.800 125.200
Lead.......................................... 57.480 26.690
Nickel........................................ 112.900 75.960
Zinc.......................................... 209.400 86.230
Tantalum...................................... 92.390 ...........
------------------------------------------------------------------------
(d) Tantalum powder acid wash and rinse.
PSNS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tantalum
powder
produced
-------------------------
Copper........................................ 0.448 0.214
Lead.......................................... 0.098 0.046
Nickel........................................ 0.193 0.130
Zinc.......................................... 0.357 0.147
Tantalum...................................... 0.158 ...........
------------------------------------------------------------------------
(e) Leaching wet air pollution control.
PSNS for the Secondary Tantalum Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
equivalent
pure
tantalum
powder
produced
-------------------------
Copper........................................ 6.246 2.977
Lead.......................................... 1.366 0.634
Nickel........................................ 2.684 1.806
Zinc.......................................... 4.978 2.050
Tantalum...................................... 2.196 ...........
------------------------------------------------------------------------
§ 421.287 [Reserved]
top
Subpart AA—Secondary Tin Subcategory
top
Source: 50 FR 38376, Sept. 20, 1985, unless otherwise noted.
§ 421.290 Applicability: Description of the secondary tin subcategory.
top
The provisions of this subpart are applicable to discharges resulting from the production of tin at secondary tin facilities utilizing either pyrometallurgical or hydrometallurgical processes to recover tin from secondary materials.
§ 421.291 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.
§ 421.292 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) Tin smelter SO2 scrubber.
BPT Limitations 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
metal
produced
-------------------------
Arsenic....................................... 19.220 8.554
Lead.......................................... 3.863 1.840
Iron.......................................... 11.040 5.611
Tin........................................... 3.495 2.024
Total suspended solids........................ 377.100 179.400
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(b) Dealuminizing rinse.
BPT Limitations 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.......................................... 0.015 0.007
Cyanide (total)............................... 0.010 0.004
Fluoride...................................... 1.225 0.700
Tin........................................... 0.013 0.008
Total suspended solids........................ 1.435 0.683
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(c) Tin mud acid neutralization filtrate.
BPT Limitations for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Minimum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
neutralized
, dewatered
tin mud
produced
-------------------------
Lead.......................................... 2.120 1.009
Cyanide (total)............................... 1.464 0.606
Fluoride...................................... 176.600 100.400
Tin........................................... 1.918 1.110
Total suspended solids........................ 206.900 98.420
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(d) Tin hydroxide wash.
BPT Limitations for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Minimum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
tin
hydroxide
washed
-------------------------
Lead.......................................... 5.020 2.391
Cyanide (total)............................... 3.466 1.434
Fluoride...................................... 418.400 237.900
Tin........................................... 4.542 2.630
Total suspended solids........................ 490.100 233.100
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(e) Spent electrowinning solution from new scrap.
BPT Limitations for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Minimum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode tin
produced
-------------------------
Lead.......................................... 7.056 3.360
Cyanide (total)............................... 4.872 2.016
Fluoride...................................... 588.000 334.300
Tin........................................... 6.384 3.696
Total suspended solids........................ 688.800 327.600
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(f) Spent electrowinning solution from municipal solid waste.
BPT Limitations for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Minimum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
MSW scrap
used as raw
material
-------------------------
Lead.......................................... 0.050 0.024
Cyanide (total)............................... 0.035 0.014
Fluoride...................................... 4.165 2.368
Tin........................................... 0.045 0.026
Total suspended solids........................ 4.879 2.321
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(g) Tin hydroxide supernatant from scrap.
BPT Limitations 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.......................................... 23.370 11.130
Cyanide (total)............................... 16.140 6.677
Fluoride...................................... 1,947.000 1,107.000
Tin........................................... 21.140 12.240
Total suspended solids........................ 2,281.000 1,085.000
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.
BPT Limitations 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.......................................... 48.30 23.00
Cyanide (total)............................... 33.35 13.80
Fluoride...................................... 4,025.00 2,289.00
Tin........................................... 43.70 25.30
Total suspended solids........................ 4,715.00 2,243.00
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(i) Tin hydroxide filtrate.
BPT Limitations 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.......................................... 10.520 5.009
Cyanide (total)............................... 7.263 3.005
Fluoride...................................... 876.500 498.400
Tin........................................... 9.517 5.510
Total suspended solids........................ 1,027.000 488.400
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
§ 421.293 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) Tin smelter SO2 scrubber.
BAT Limitations 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.
BAT Limitations 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.
BAT Limitations 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.
BAT Limitations 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.
BAT Limitations 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.
BAT Limitations 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.
BAT Limitations 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 21.240
------------------------------------------------------------------------
(h) Tin hydroxide supernatant from plating solutions and sludges.
BAT Limitations 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.
BAT Limitations 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
------------------------------------------------------------------------
§ 421.294 Standards of performance for new sources.
top
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Tin smelter SO2 scrubber.
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
crude
tapped tin
produced
-------------------------
Arsenic....................................... 12.790 5.703
Lead.......................................... 2.575 1.196
Iron.......................................... 11.040 5.611
Tin........................................... 3.495 2.024
Total suspended solids........................ 138.000 110.400
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.
(b) Dealuminizing rinse.
NSPS for the Secondary Tin Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds permillion (continued)