CCLME.ORG - 40 CFR PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY

(continued)
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kkg
(pounds per
billion
pounds) of
dross
reverberato
ry furnace
production
-------------------------
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
------------------------------------------------------------------------

(f) Subpart G—Zinc Fuming Wet Air Pollution Control.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kkg
(pounds per
billion
pounds) of
blast
furnace
lead
bullion
produced
-------------------------
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
------------------------------------------------------------------------

(g) Subpart G—Hard Lead Refining Slag Granulation.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kkg
(pounds per
billion
pounds) of
hard lead
produced
-------------------------
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
------------------------------------------------------------------------

(h) Subpart G—Hard Lead Refining Wet Air Pollution Control.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kkg
(pounds per
billion
pounds) of
hard lead
produced
-------------------------
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
------------------------------------------------------------------------

(i) Subpart G—Facility Washdown.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kkg
(pounds per
billion
pounds) of
lead
bullion
produced
-------------------------
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
------------------------------------------------------------------------

(j) Subpart G—Employee Handwash.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kkg
(pounds per
billion
pounds) of
lead
bullion
produced
-------------------------
Lead.......................................... .924 .429
Zinc.......................................... 3.366 1.386
------------------------------------------------------------------------

(k) Subpart G—Respirator Wash.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kkg
(pounds per
billion
pounds) of
lead
bullion
produced
-------------------------
Lead.......................................... 1.484 .689
Zinc.......................................... 5.406 2.226
------------------------------------------------------------------------

(l) Subpart G—Laundering of Uniforms.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kkg
(pounds per
billion
pounds) of
lead
bullion
produced
-------------------------
Lead.......................................... 4.340 2.015
Zinc.......................................... 15.810 6.510
------------------------------------------------------------------------

§ 421.77 [Reserved]
top
Subpart H—Primary Zinc Subcategory
top
Source: 49 FR 8808, Mar. 8, 1984, unless otherwise noted.

§ 421.80 Applicability: Description of the primary zinc subcategory.
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The provisions of this subpart are applicable to discharges resulting from the production of primary zinc by either electrolytic or pyrolytic means.

§ 421.81 Specialized definitions.
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For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

(b) The term product shall mean zinc metal.

§ 421.82 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
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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:

Effluent Limitations
------------------------------------------------------------------------
Average of
Daily
values for
Effluent characteristics Maximum for 30
any 1 day consecutive
days shall
not exceed
------------------------------------------------------------------------
(1) Metric
Units (kg/
kkg of
product)
(1) English
Units
(pounds per
1,000
pounds of
product)
-------------------------
TSS........................................... 0.42 0.21
As............................................ 0.0016 0.0008
Cd............................................ 0.008 0.004
Se............................................ 0.08 0.04
Zn............................................ 0.08 0.04
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
Within the range of 6.0 to 9.0.

[49 FR 8808, Mar. 8, 1984; 49 FR 26739, June 29, 1984]

§ 421.83 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 H—Zinc Reduction 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
zinc
reduced
-------------------------
Cadmium....................................... .334 .134
Copper........................................ 2.135 1.018
Lead.......................................... .467 .217
Zinc.......................................... 1.702 .701
------------------------------------------------------------------------

(b) Subpart H—Preleach of Zinc Concentrates.

BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
leached
-------------------------
Cadmium....................................... .180 .072
Copper........................................ 1.153 .550
Lead.......................................... .252 .117
Zinc.......................................... .919 .378
------------------------------------------------------------------------

(c) Subpart H—Leaching 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
zinc
processed
through
leaching
-------------------------
Cadmium....................................... .000 .000
Copper........................................ .000 .000
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
------------------------------------------------------------------------

(d) Subpart H—Electrolyte Bleed Wastewater.

BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode
zinc
produced
-------------------------
Cadmium....................................... .086 .035
Copper........................................ .553 .264
Lead.......................................... .121 .056
Zinc.......................................... .441 .182
------------------------------------------------------------------------

(e) Subpart H—Cathode and Anode Wash Wastewater.

BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode
zinc
produced
-------------------------
Cadmium....................................... .150 .060
Copper........................................ .961 .458
Lead.......................................... .210 .098
Zinc.......................................... .766 .315
------------------------------------------------------------------------

(f) Subpart H—Casting 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
zinc cast
-------------------------
Cadmium....................................... .051 .021
Copper........................................ .329 .157
Lead.......................................... .072 .033
Zinc.......................................... .262 .108
------------------------------------------------------------------------

(g) Subpart H—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
zinc cast
-------------------------
Cadmium....................................... .036 .014
Copper........................................ .232 .110
Lead.......................................... .051 .024
Zinc.......................................... .185 .076
------------------------------------------------------------------------

(h) Subpart H—Cadmium Plant Wastewater.

BAT Effluent Limitations
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cadmium
produced
-------------------------
Cadmium....................................... 1.234 .494
Copper........................................ 7.899 3.765
Lead.......................................... 1.728 .802
Zinc.......................................... 6.295 2.592
------------------------------------------------------------------------

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

(a) Subpart H—Zinc Reduction Furnace Wet Air Pollution Control.

NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc
reduced
-------------------------
Cadmium....................................... .334 .134
Copper........................................ 2.135 1.018
Lead.......................................... .467 .217
Zinc.......................................... 1.702 .701
Total suspended solids........................ 25.020 20.020
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(b) Subpart H—Preleach of Zinc Concentrates.

NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
leached
-------------------------
Cadmium....................................... .180 .072
Copper........................................ 1.153 .550
Lead.......................................... .252 .117
Zinc.......................................... .919 .378
Total suspended solids........................ 13.520 10.810
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(c) Subpart H—Leaching Wet Air Pollution Control.

NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc
processed
through
leaching
-------------------------
Cadmium....................................... .000 .000
Copper........................................ .000 .000
Lead.......................................... .000 .000
Zinc.......................................... .000 .000
Total suspended solids........................ .000 .000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(d) Subpart H—Electrolyte Bleed Wastewater.

NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode
zinc
produced
-------------------------
Cadmium....................................... .086 .035
Copper........................................ .553 .264
Lead.......................................... .121 .056
Zinc.......................................... .441 .182
Total suspended solids........................ 6.480 5.184
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(e) Subpart H—Cathode and Anode Wash Wastewater.

NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode
zinc
produced
-------------------------
Cadmium....................................... .150 .060
Copper........................................ .961 .458
Lead.......................................... .210 .098
Zinc.......................................... .766 .315
Total suspended solids........................ 11.270 9.012
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(f) Subpart H—Casting Wet Air Pollution Control.

NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc cast
-------------------------
Cadmium....................................... .051 .021
Copper........................................ .329 .157
Lead.......................................... .072 .033
Zinc.......................................... .262 .108
Total suspended solids........................ 3.855 3.084
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(g) Subpart H—Casting Contact Cooling.

NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc cast
-------------------------
Cadmium....................................... .036 .014
Copper........................................ .232 .110
Lead.......................................... .051 .024
Zinc.......................................... .185 .076
Total suspended solids........................ 2.715 2.172
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(h) Subpart H—Cadmium Plant Wastewater.

NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cadmium
produced
-------------------------
Cadmium....................................... 1.234 .494
Copper........................................ 7.899 3.765
Lead.......................................... 1.728 .802
Zinc.......................................... 6.295 2.592
Total suspended solids........................ 92.570 74.050
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

[49 FR 8808, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 FR 29795, July 24, 1984]

§ 421.85 Pretreatment standards for existing sources.
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Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in primary zinc process wastewater introduced into a POTW shall not exceed the following values:

(a) Subpart H—Zinc Reduction Furnace Wet Air Pollution Control.

PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc
reduced
-------------------------
Cadmium....................................... .334 .134
Zinc.......................................... 1.702 .701
------------------------------------------------------------------------

(b) Subpart H—Preleach of Zinc Concentrates.

PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
leached
-------------------------
Cadmium....................................... .180 .072
Zinc.......................................... .919 .378
------------------------------------------------------------------------

(c) Subpart H—Leaching Wet Air Pollution Control.

PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc
processed
through
leaching
-------------------------
Cadmium....................................... .000 .000
Zinc.......................................... .000 .000
------------------------------------------------------------------------

(d) Subpart H—Electrolyte Bleed Wastewater.

PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode
zinc
produced
-------------------------
Cadmium....................................... .086 .035
Zinc.......................................... .441 .182
------------------------------------------------------------------------

(e) Subpart H—Cathode and Anode Wash Wastewater.

PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode
zinc
produced
-------------------------
Cadmium....................................... .150 .060
Zinc.......................................... .766 .315
------------------------------------------------------------------------

(f) Subpart H—Casting Wet Air Pollution Control.

PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc cast
-------------------------
Cadmium....................................... .051 .021
Zinc.......................................... .262 .108
------------------------------------------------------------------------

(g) Subpart H—Casting Contact Cooling.

PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc cast
-------------------------
Cadmium....................................... .036 .014
Zinc.......................................... .185 .076
------------------------------------------------------------------------

(h) Subpart H—Cadmium Plant Wastewater.

PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cadmium
produced
-------------------------
Cadmium....................................... 1.234 .494
Zinc.......................................... 6.295 2.592
------------------------------------------------------------------------

§ 421.86 Pretreatment standards for new sources.
top
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in primary zinc process wastewaters introduced into a POTW shall not exceed the following values:

(a) Subpart H—Zinc Reduction Furnace Wet Air Pollution Control.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc
reduced
-------------------------
Cadmium....................................... .334 .134
Zinc.......................................... 1.702 .701
------------------------------------------------------------------------

(b) Subpart H—Preleach of Zinc Concentrates.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
concentrate
leached
-------------------------
Cadmium....................................... .180 .072
Zinc.......................................... .919 .378
------------------------------------------------------------------------

(c) Subpart H—Leaching Wet Air Pollution Control.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
zinc
processed
through
leaching
-------------------------
Cadmium....................................... .000 .000
Zinc.......................................... .000 .000
------------------------------------------------------------------------

(d) Subpart H—Electrolyte Bleed Wastewater.

PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
cathode
zinc
produced
-------------------------
Cadmium....................................... .086 .035
Zinc.......................................... .441 .182
------------------------------------------------------------------------

(e) Subpart H—Cathode and Anode Wash Wastewater.

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