CCLME.ORG - 40 CFR PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY
http://www.cclme.org

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

 Download << First Page < Previous Page Next Page > Last Page >>
Loading (50 kb)...'
(continued)


(d) Molybdenum drying wet air pollution control.


NSPS for the Secondary Molybdenum and Vanadium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
molybdenum
and
vanadium
produced
-------------------------
Arsenic....................................... 0.000 0.000
Chromium...................................... 0.000 0.000
Lead.......................................... 0.000 0.000
Nickel........................................ 0.000 0.000
Iron.......................................... 0.000 0.000
Molybdenum.................................... 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 7.5 to 10.0 at all times.


(e) Pure Grade Molybdenum.


NSPS for the Secondary Molybdenum and Vanadium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
pure
molybdenum
produced
-------------------------
Arsenic....................................... 32.359 14.434
Chromium...................................... 8.614 3.492
Lead.......................................... 6.518 3.026
Nickel........................................ 12.804 8.614
Iron.......................................... 27.936 14.201
Molybdenum.................................... [Reserved] [Reserved]
Ammonia (as N)................................ 9638.000 4237.000
Total Suspended Solids........................ 349.200 279.360
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


[50 FR 38357, Sept. 20, 1985, as amended at 55 FR 31704, Aug. 3, 1990]

§ 421.225 [Reserved]
top
§ 421.226 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 molybdenum and vanadium process wastewater introduced into a POTW shall not exceed the following values:

(a) Leach tailings.


PSNS for the Secondary Molybdenum and Vanadium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
technical
grade
molybdenum
plus
vanadium
plus pure
grade
molybdenum
produced
-------------------------
Arsenic....................................... 27.120 12.097
Chromium...................................... 7.219 2.927
Lead.......................................... 5.463 2.536
Nickel........................................ 10.731 7.219
Iron.......................................... 23.413 11.902
Molybdenum.................................... [Reserved] [Reserved]
Ammonia (as N)................................ 8078.000 3551.000
------------------------------------------------------------------------


(b) Molybdenum filtrate solvent extraction raffinate.


PSNS for the Secondary Molybdenum And Vanadium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
technical
grade
molybdenum
plus
vanadium
plus pure
grade
molybdenum
produced
-------------------------
Arsenic....................................... 80.952 36.108
Chromium...................................... 21.548 8.736
Lead.......................................... 16.306 7.571
Nickel........................................ 32.031 21.548
Iron.......................................... 69.887 35.526
Molybdenum.................................... [Reserved] [Reserved]
Ammonia (as N)................................ 24114.000 10600.000
------------------------------------------------------------------------


(c) Vanadium decomposition wet air pollution control.


PSNS for the Secondary Molybdenum and Vandadium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds)
vanadium
produced by
decompositi
on
-------------------------
Arsenic....................................... 0.000 0.000
Chromium...................................... 0.000 0.000
Lead.......................................... 0.000 0.000
Nickel........................................ 0.000 0.000
Iron.......................................... 0.000 0.000
Molybdenum.................................... 0.000 0.000
Ammonia (as N)................................ 0.000 0.000
------------------------------------------------------------------------


(d) Molybdenum drying wet air pollution control.


PSNS for the Secondary Molybdenum and Vandadium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
molybdenum
produced
-------------------------
Arsenic....................................... 0.000 0.000
Chromium...................................... 0.000 0.000
Lead.......................................... 0.000 0.000
Nickel........................................ 0.000 0.000
Iron.......................................... 0.000 0.000
Molybdenum.................................... 0.000 0.000
Ammonia (as N)................................ 0.000 0.000
------------------------------------------------------------------------


(e) Pure Grade Molybdenum.


PSNS for the Secondary Molybdenum And Vanadium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
pure
molybdenum
produced
-------------------------
Arsenic....................................... 32.359 14.434
Chromium...................................... 8.614 3.492
Lead.......................................... 6.518 3.026
Nickel........................................ 12.804 8.614
Iron.......................................... 27.936 14.201
Molybdenum.................................... [Reserved] [Reserved]
Ammonia (as N)................................ 9638.000 4237.000
------------------------------------------------------------------------


[50 FR 38357, Sept. 20, 1985, as amended at 55 FR 31704, 31705 Aug. 3, 1990]

§ 421.227 [Reserved]
top
Subpart U—Primary Nickel and Cobalt Subcategory
top
Source: 50 FR 38359, Sept. 20, 1985, unless otherwise noted.

§ 421.230 Applicability: Description of the primary nickel and cobalt subcategory.
top
The provisions of this subpart are applicable to discharges resulting from the production of nickel or cobalt by primary nickel and cobalt facilities processing ore concentrate raw materials.

§ 421.231 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.

§ 421.232 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) Raw Material dust control.


BPT Limitations for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
copper,
nickel, and
cobalt in
the crushed
raw
material
-------------------------
Copper........................................ 0.146 0.077
Nickel........................................ 0.148 0.098
Ammonia (as N)................................ 10.260 4.512
Cobalt........................................ 0.016 0.007
Total suspended solids........................ 3.157 1.502
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
AA\1\ Within the range of 7.5 to 10.0 at all times.


(b) Nickel wash water.


BPT Limitations for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
nickel
powder
washed
-------------------------
Copper........................................ 0.064 0.034
Nickel........................................ 0.065 0.043
Ammonia (as N)................................ 4.515 1.985
Cobalt........................................ 0.007 0.003
Total suspended solids........................ 1.389 0.660
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(c) Nickel reduction decant.


BPT Limitations for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
nickel
produced
-------------------------
Copper........................................ 24.120 12.700
Nickel........................................ 24.370 16.120
Ammonia (as N)................................ 1,692.000 743.900
Cobalt........................................ 2.666 1.143
Total suspended solids........................ 520.500 247.600
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(d) Cobalt reduction decant.


BPT Limitations for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
-------------------------
Copper........................................ 40.660 21.400
Nickel........................................ 41.080 27.180
Ammonia (as N)................................ 2,852.000 1,254.000
Cobalt........................................ 4.494 1.926
Total suspended solids........................ 877.300 417.300
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


§ 421.233 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) Raw material dust control.


BAT Limitations for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
copper,
nickel, and
cobalt in
the crushed
raw
material
-------------------------
Copper........................................ 0.099 0.047
Nickel........................................ 0.042 0.028
Ammonia (as N)................................ 10.260 4.512
Cobalt........................................ 0.011 0.005
------------------------------------------------------------------------


(b) Nickel wash water.


BAT Limitations for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
nickel
powder
washed
-------------------------
Copper........................................ 0.043 0.021
Nickel........................................ 0.019 0.013
Ammonia (as N)................................ 4.515 1.985
Cobalt........................................ 0.005 0.002
------------------------------------------------------------------------


(c) Nickel reduction decant.


BAT Limitations for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
nickel
produced
-------------------------
Copper........................................ 16.250 7.744
Nickel........................................ 6.982 4.697
Ammonia (as N)................................ 1,692.000 743.900
Cobalt........................................ 1.777 0.889
------------------------------------------------------------------------


(d) Cobalt reduction decant.


BAT Limitations for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
-------------------------
Copper........................................ 27.390 13.050
Nickel........................................ 11.770 7.917
Ammonia (as N)................................ 2,852.000 1,254.000
Cobalt........................................ 2.996 1.498
------------------------------------------------------------------------


[50 FR 38359, Sept. 20, 1985; 50 FR 41144, Oct. 9, 1985]

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

(a) Raw Material Dust Control.


NSPS for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
copper,
nickel, and
cobalt in
the crushed
raw
material
-------------------------
Copper........................................ 0.099 0.047
Nickel........................................ 0.042 0.028
Ammonia (as N)................................ 10.260 4.512
Cobalt........................................ 0.011 0.005
Total suspended solids........................ 1.155 0.924
pH............................................ \1\ \1\
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(b) Nickel wash water.


NSPS for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
nickel
powder
washed
-------------------------
Copper........................................ 0.043 0.021
Nickel........................................ 0.019 0.013
Ammonia (as N)................................ 4.515 1.985
Cobalt........................................ 0.005 0.002
Total suspended solids........................ 0.508 0.406
pH............................................ \1\ \1\
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(c) Nickel reduction decant.


NSPS for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
nickel
produced
-------------------------
Copper........................................ 16.250 7.744
Nickel........................................ 6.982 4.697
Ammonia (as N)................................ 1,692.000 743.900
Cobalt........................................ 1.777 0.889
Total suspended solids........................ 190.400 152.300
pH............................................ \1\ \1\
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(d) Cobalt reduction decant.


NSPS for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
-------------------------
Copper........................................ 27.390 13.050
Nickel........................................ 11.770 7.917
Ammonia (as N)................................ 2,852.000 1,254.000
Cobalt........................................ 2.996 1.498
Total suspended solids........................ 321.000 256.800
pH............................................ \1\ \1\
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


§ 421.235 [Reserved]
top
§ 421.236 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 a 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in primary nickel and cobalt process wastewater introduced into a POTW shall not exceed the following values:

(a) Raw material dust control.


PSNS for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
copper,
nickel, and
cobalt in
the crushed
raw
material
-------------------------
Copper........................................ 0.099 0.047
Nickel........................................ 0.042 0.028
Ammonia (as N)................................ 10.260 4.512
Cobalt........................................ 0.011 0.005
------------------------------------------------------------------------


(b) Nickel wash water.


PSNS for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
nickel
powder
washed
-------------------------
Copper........................................ 0.043 0.021
Nickel........................................ 0.019 0.013
Ammonia (as N)................................ 4.515 1.985
Cobalt........................................ 0.005 0.002
------------------------------------------------------------------------


(c) Nickel reduction decant.


PSNS for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds)
nickel
produced
-------------------------
Copper........................................ 16.250 7.744
Nickel........................................ 6.982 4.697
Ammonia (as N)................................ 1,692.000 743.900
Cobalt........................................ 1.777 0.889
------------------------------------------------------------------------


(d) Cobalt reduction decant.


PSNS for the Primary Nickel and Cobalt Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cobalt
produced
-------------------------
Copper........................................ 27.390 13.050
Nickel........................................ 11.770 7.917
Ammonia (as N)................................ 2,852.000 1,254.000
Cobalt........................................ 2.996 1.498
------------------------------------------------------------------------


§ 421.237 [Reserved]
top
Subpart V—Secondary Nickel Subcategory
top
Source: 50 FR 38360, Sept. 20, 1985, unless otherwise noted.

§ 421.240 Applicability: Description of the secondary nickel subcategory.
top
The provisions of this subpart are applicable to discharges resulting from the production of nickel by secondary nickel facilities processing slag, spent acids, or scrap metal raw materials.

§ 421.241 Specialized definitions.
top
For the purpose of this subpart the general definitions, abbreviations, and methods of analysis set forth in 40 CFR 401 shall apply to this subpart.

§§ 421.242-421.243 [Reserved]
top
§ 421.244 Standards of performance for new sources.
top
Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Slag reclaim tailings.


NSPS for the Secondary Nickel Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
slag input
to reclaim
process
-------------------------
Chromium (total).............................. 5.653 2.313
Copper........................................ 24.410 12.850
Nickel........................................ 24.670 16.320
Total suspended solids........................ 526.800 250.500
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(b) Acid reclaim leaching filtrate.


NSPS for the Secondary Nickel Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
acid
reclaim
nickel
produced
-------------------------
Chromium (total).............................. 2.198 0.899
Copper........................................ 9.491 4.995
Nickel........................................ 9.590 6.344
Total suspended solids........................ 204.800 97.400
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(c) Acid reclaim leaching belt filter backwash.


NSPS for the Secondary Nickel Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
acid
reclaim
nickel
produced
-------------------------
Chromium (total).............................. 0.528 0.216
Copper........................................ 2.278 1.199
Nickel........................................ 2.302 1.523
Total suspended solids........................ 49.160 23.380
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


§ 421.245 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 nickel process wastewater introduced into a POTW must not exceed the following values:

(a) Slag reclaim tailings.


PSES for the Secondary Nickel Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
slag input
to reclaim
process
-------------------------
Chromium (total).............................. 5.653 2.313
Copper........................................ 24.410 12.850
Nickel........................................ 24.670 16.320
------------------------------------------------------------------------


(b) Acid reclaim leaching filtrate.


PSES for the Secondary Nickel Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
acid
reclaim
nickel
produced
-------------------------
Chromium (total).............................. 2.198 0.899
Copper........................................ 9.491 4.995
Nickel........................................ 9.590 6.344
------------------------------------------------------------------------


(c) Acid reclaim leaching belt filter backwash


PSES for the Secondary Nickel Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
acid
reclaim
nickel
produced
-------------------------
Chromium (total).............................. 0.528 0.216
Copper........................................ 2.278 1.199
Nickel........................................ 2.302 1.523
------------------------------------------------------------------------


§ 421.246 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 nickel process wastewater introduced into a POTW shall not exceed the following values:

(a) Slag reclaim tailings.


PSNS for the Secondary Nickel Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
slag input
to reclaim
process
-------------------------
Chromium (total).............................. 5.653 2.313
Copper........................................ 24.410 12.850
Nickel........................................ 24.670 16.320
------------------------------------------------------------------------


(b) Acid reclaim leaching filtrate.


PSNS for the Secondary Nickel Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
acid
reclaim
nickelproduced (continued)
Download << First Page < Previous Page Next Page > Last Page >>

Questions and Comments: jekstrom at stanford dot edu. 2008-2009 All Rights Reserved | http://cclme.org