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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)
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
produced
from
leaching or
silver
precipitate
d
-------------------------
Copper........................................ 5.671 2.703
Zinc.......................................... 4.519 1.861
Ammonia (as N)................................ 590.500 259.600
------------------------------------------------------------------------


(j) Subpart L—Precipitation and Filtration of Nonphotographic Solutions.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
precipitate
d
-------------------------
Copper........................................ 3.930 1.873
Zinc.......................................... 3.132 1.290
Ammonia (as N)................................ 409.300 179.900
------------------------------------------------------------------------


(k) Subpart L—Floor and Equipment Washdown.


PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
production
-------------------------
Copper........................................ .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


§ 421.126 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 silver process wastewater introduced into a POTW shall not exceed the following values:

(a) Subpart L—Film Stripping.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver from
film
stripping
-------------------------
Copper........................................ 64.450 30.720
Zinc.......................................... 51.360 21.150
Ammonia (as N)................................ 6,712.000 2,951.000
------------------------------------------------------------------------


(b) Subpart L—Film Stripping Wet Air Pollution Control and Precipitation and Filtration of Film Stripping Solutions Wet Air Pollution Control.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver from
precipitati
on and
filtration
of film
stripping
solutions
-------------------------
Copper........................................ 1.242 .592
Zinc.......................................... .990 .408
Ammonia (as N)................................ 129.300 56.840
------------------------------------------------------------------------


(c) Subpart L—Precipitation and Filtration of Film Stripping Solutions.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
precipitate
d
-------------------------
Copper........................................ 73.690 35.120
Zinc.......................................... 58.720 24.180
Ammonia (as N)................................ 7,674.000 3,374.000
------------------------------------------------------------------------


(d) Subpart L—Precipitation and Filtration of Photographic Solutions.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
precipitate
d
-------------------------
Copper........................................ 34.048 16.226
Zinc.......................................... 27.132 11.172
Ammonia (as N)................................ 3,545.000 1,559.000
------------------------------------------------------------------------


(e) Subpart L—Precipitation and Filtration of Photographic Solutions Wet Air Pollution Control.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver from
precipitati
on and
filtration
of
photographi
c solutions
-------------------------
Copper........................................ 15.540 7.406
Zinc.......................................... 12.380 5.099
Ammonia (as N)................................ 1,618.000 711.400
------------------------------------------------------------------------


(f) Subpart L—Electrolytic Refining.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver from
electrolyti
c refining
-------------------------
Copper........................................ .973 .464
Zinc.......................................... .775 .319
Ammonia (as N)................................ 101.300 44.540
------------------------------------------------------------------------


(g) Subpart L—Furnace Wet Air Pollution Control.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
roasted,
smelted or
dried
-------------------------
Copper........................................ .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


(h) Subpart L—Leaching.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
produced
from
leaching
-------------------------
Copper........................................ .110 .053
Zinc.......................................... .088 .036
Ammonia (as N)................................ 11.470 5.040
------------------------------------------------------------------------


(i) Subpart L—Leaching Wet Air Pollution Control and Precipitation of Nonphotographic Solutions Wet Air Pollution Control.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
produced
from
leaching or
silver
precipitate
d
-------------------------
Copper........................................ 5.671 2.703
Zinc.......................................... 4.519 1.861
Ammonia (as N)................................ 590.500 259.600
------------------------------------------------------------------------


(j) Subpart L—Precipitation and Filtration of Nonphotographic Solutions.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
precipitate
d
-------------------------
Copper........................................ 3.930 1.873
Zinc.......................................... 3.132 1.290
Ammonia (as N)................................ 409.300 179.900
------------------------------------------------------------------------


(k) Subpart L—Floor and Equipment Washdown.


PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/troy
ounce of
silver
production
-------------------------
Copper........................................ .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


[49 FR 8821, Mar. 8, 1984; 49 FR 26739, June 29, 1984]

§ 421.127 [Reserved]
top
Subpart M—Secondary Lead Subcategory
top
Source: 49 FR 8826, Mar. 8, 1984, unless otherwise noted.

§ 421.130 Applicability: Description of the secondary lead subcategory.
top
The provisions of this subpart are applicable to discharges resulting from the production of lead by secondary lead facilities.

§ 421.131 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.

§ 421.132 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
top
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable technology currently available:

(a) Subpart M—Battery Cracking


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead scrap
produced
-------------------------
Antimony...................................... 1.932 .862
Arsenic....................................... 1.407 .579
Lead.......................................... .283 .135
Zinc.......................................... .983 .411
Ammonia (as N)................................ .000 .000
Total suspended solids........................ 27.600 13.130
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(b) Subpart M—Blast, Reverberatory, or Rotary Furnace Wet Air Pollution Control


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
-------------------------
Antimony...................................... 7.491 3.341
Arsenic....................................... 5.455 2.245
Lead.......................................... 1.096 .522
Zinc.......................................... 3.811 1.592
Ammonia (as N)................................ .000 .000
Total suspended solids........................ 107.000 50.900
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(c) Subpart M—Kettle Wet Air Pollution Control


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
refining
-------------------------
Antimony...................................... .129 .058
Arsenic....................................... .094 .039
Lead.......................................... .019 .009
Zinc.......................................... .066 .027
Ammonia (as N)................................ .000 .000
Total suspended solids........................ 1.845 .878
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(d) Subpart M—Lead Paste Desulfurization


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
processed
through
desulfuriza
tion
-------------------------
Antimony...................................... .000 .000
Arsenic....................................... .000 .000
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
Total suspended solids........................ .000 .000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(e) Subpart M—Casting Contact Cooling


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead cast
-------------------------
Antimony...................................... .634 .283
Arsenic....................................... .462 .190
Lead.......................................... .093 .044
Zinc.......................................... .323 .135
Ammonia (as N)................................ .000 .000
Total suspended solids........................ 9.061 4.310
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(f) Subpart M—Truck Wash.


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
-------------------------
Antimony...................................... .060 .027
Arsenic....................................... .044 .018
Lead.......................................... .009 .004
Zinc.......................................... .031 .013
Ammonia (as N)................................ .000 .000
Total suspended solids........................ .861 .410
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(g) Subpart M—Facility Washdown


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
-------------------------
Antimony...................................... .000 .000
Arsenic....................................... .000 .000
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
Total suspended solids........................ .000 .000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(h) Subpart M—Battery Case Classification.


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead scrap
produced
-------------------------
Antimony...................................... .000 .000
Arsenic....................................... .000 .000
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
Total suspended solids........................ .000 .000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(i) Subpart M—Employee Handwash.


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
-------------------------
Antimony...................................... .077 .035
Arsenic....................................... .056 .023
Lead.......................................... .011 .005
Zinc.......................................... .039 .016
Ammonia (as N)................................ .000 .000
Total suspended solids........................ 1.107 .527
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(j) Subpart M—Employee Respirator Wash.


BPT Effulent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
-------------------------
Antimony...................................... .126 .056
Arsenic....................................... .092 .038
Lead.......................................... .018 .009
Zinc.......................................... .064 .027
Ammonia (as N)................................ .000 .000
Total suspended solids........................ 1.804 .858
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


(k) Subpart M—Laundering of Uniforms.


BPT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
-------------------------
Antimony...................................... .367 .164
Arsenic....................................... .268 .110
Lead.......................................... .054 .026
Zinc.......................................... .187 .078
Ammonia (as N)................................ .000 .000
Total suspended solids........................ 5.248 2.496
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


[49 FR 8826, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984]

§ 421.133 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
top
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:

(a) Subpart M—Battery Cracking.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead scrap
produced
-------------------------
Antimony...................................... 1.299 .579
Arsenic....................................... .936 .384
Lead.......................................... .189 .087
Zinc.......................................... .687 .283
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


(b) Subpart M—Blast, Reverberatory, or Rotary Furnace 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
lead
produced
from
smelting
-------------------------
Antimony...................................... 5.038 2.245
Arsenic....................................... 3.628 1.488
Lead.......................................... .731 .339
Zinc.......................................... 2.662 1.096
Ammonia (as N)................................ 0.000 0.000
------------------------------------------------------------------------


(c) Subpart M—Kettle 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
lead
produced
from
refining
-------------------------
Antimony...................................... .087 .039
Arsenic....................................... .063 .026
Lead.......................................... .013 .006
Zinc.......................................... .046 .019
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


(d) Subpart M—Lead Paste Desulfurization.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
processed
through
desulfuriza
tion
-------------------------
Antimony...................................... .000 .000
Arsenic....................................... .000 .000
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


(e) Subpart M—Casting Contact Cooling.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead cast
-------------------------
Antimony...................................... .042 .019
Arsenic....................................... .031 .013
Lead.......................................... .006 .003
Zinc.......................................... .022 .009
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


(f) Subpart M—Truck Wash.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
-------------------------
Antimony...................................... .041 .018
Arsenic....................................... .029 .012
Lead.......................................... .006 .003
Zinc.......................................... .021 .009
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


(g) Subpart M—Facility Washdown.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
-------------------------
Antimony...................................... .000 .000
Arsenic....................................... .000 .000
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


(h) Subpart M—Battery Case Classification.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead scrap
produced
-------------------------
Antimony...................................... .000 .000
Arsenic....................................... .000 .000
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


(i) Subpart M—Employee Handwash.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
-------------------------
Antimony...................................... .052 .023
Arsenic....................................... .038 .015
Lead.......................................... .008 .004
Zinc.......................................... .028 .011
Ammonia (as N)................................ .000 .000
------------------------------------------------------------------------


(j) Subpart M—Employee Respirator Wash.


BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
lead
produced
from
smelting
------------------------- (continued)
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