- § 421.70 - Applicability: Description of the primary lead subcategory.
- § 421.71 - Specialized definitions.
- § 421.72 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 421.73 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 421.74 - Standards of performance for new sources.
- § 421.75 - Pretreatment standards for existing sources.
- § 421.76 - Pretreatment standards for new sources.
- § 421.77 - [Reserved]
§ 421.70 - Applicability: Description of the primary lead subcategory.
The provisions of this subpart are applicable to discharges resulting from the production of lead at primary lead smelters and refineries.
§ 421.71 - Specialized definitions.
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.
§ 421.72 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
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 control technology currently available:
(a) Subpart G—Sinter Plant Materials Handling Wet Air Pollution Control.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of sinter production | Lead | 594.000 | 270.000 | Zinc | 525.000 | 219.600 | Total suspended solids | 14,760.000 | 7,020.000 | pH | ( 1) | ( 1) |
|---|
1 Within the range of 7.5 to 10.0 at all times.
(b) Subpart G—Blast Furnace Wet Air Pollution Control.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furance lead bullion produced | 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.
(c) Subpart G—Blast Furnace Slag Granulation.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furance lead bullion produced | Lead | 6,155.000 | 2,798.000 | Zinc | 5,446.000 | 2,276.000 | Total suspended solids | 153,000.000 | 72,740.000 | pH | ( 1) | ( 1) |
|---|
1 Within the range of 7.5 to 10.0 at all times.
(d) Subpart G—Dross Reverberatory Slag Granulation.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of slag, speiss, or matte granulated | Lead | 9,499.000 | 4,318.000 | Zinc | 8,405.000 | 3,512.000 | Total suspended solids | 236,000.000 | 112,300.000 | pH | ( 1) | ( 1) |
|---|
1 Within the range of 7.5 to 10.0 at all times.
(e) Subpart G—Dross Reverberatory Furnace Wet Air Pollution Control.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of dross reverberatory furnace production | Lead | 15,920.000 | 7,235.000 | Zinc | 14,080.000 | 5,884.000 | Total suspended solids | 395,500.000 | 188,100.000 | pH | ( 1) | ( 1) |
|---|
1 Within the range of 7.5 to 10.0 at all times.
(f) Subpart G—Zinc Fuming Wet Air Pollution Control.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furance lead bullion produced | Lead | 702.900 | 319.500 | Zinc | 622.000 | 259.900 | Total suspended solids | 17,470.000 | 8,307.000 | pH | ( 1) | ( 1) |
|---|
1 Within the range of 7.5 to 10.0 at all times.
(g) Subpart G—Hard Lead Refining Slag Granulation.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of hard lead produced | 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.
(h) Subpart G—Hard Lead Refining Air Pollution Control.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of hard lead produced | Lead | 32,730.000 | 14,880.000 | Zinc | 28,960.000 | 12,100.000 | Total suspended solids | 813,300.000 | 386,800.000 | pH | ( 1) | ( 1) |
|---|
1 Within the range of 7.5 to 10.0 at all times.
(i) Subpart G—Facility Washdown.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | 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.
(j) Subpart G—Employee Handwash.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | 5.445 | 2.475 | Zinc | 4.818 | 2.013 | Total suspended solids | 135.300 | 64.350 | pH | ( 1) | ( 1) |
|---|
1 Within the range of 7.5 to 10.0 at all times.
(k) Subpart G—Respirator Wash.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | 8.745 | 3.975 | Zinc | 7.738 | 3.233 | Total suspended solids | 217.300 | 103.400 | pH | ( 1) | ( 1) |
|---|
1 Within the range of 7.5 to 10.0 at all times.
(l) Subpart G—Laundering of Uniforms.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | 25.580 | 11.630 | Zinc | 22.630 | 9.455 | Total suspended solids | 635.500 | 302.300 | pH | ( 1) | ( 1) |
|---|
1 Within the range of 7.5 to 10.0 at all times.
§ 421.73 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
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 G—Sinter Plant Materials Handling Wet Air Pollution Control.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of sinter production | Lead | 100.800 | 46.800 | Zinc | 367.200 | 151.200 |
|---|
(b) Subpart G—Blast Furnace Wet Air Pollution Control.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(c) Subpart G—Blast Furnace Slag Granulation.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(d) Subpart G—Dross Reverberatory Slag Granulation.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of slag, speiss, or matte granulated | Lead | 1,612.000 | 748.400 | Zinc | 5,872.000 | 2,418.000 |
|---|
(e) Subpart G—Dross Reverberatory Furnace Wet Air Pollution Control.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of dross reverberatory furnace production | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(f) Subpart G—Zinc Fuming Wet Air Pollution Control.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furnance lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(g) Subpart G—Hard Lead Refining Slag Granulation.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly 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.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of hard lead produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(i) Subpart G—Facility Washdown.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(j) Subpart G—Employee Handwash.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | .924 | .429 | Zinc | 3.366 | 1.386 |
|---|
(k) Subpart G—Respirator Wash.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly 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.
BAT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produce | Lead | 4.340 | 2.015 | Zinc | 15.810 | 6.510 |
|---|
§ 421.74 - Standards of performance for new sources.
Any new source subject to this subpart must achieve the following performance standards:
(a) Subpart G—Sinter Plant Materials Handling Wet Air Pollution Control.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of sinter production | Lead | .000 | .000 | Zinc | .000 | .000 | Total suspended solids | .000 | .000 | pH | ( 1) | ( 1) |
|---|
1Within the range of 7.5 to 10.0 at all times.
(b) Subpart G—Blast Furnace Wet Air Pollution Control.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 | Total suspended solids | .000 | .000 | pH | ( 1) | ( 1) |
|---|
1Within the range of 7.5 to 10.0 at all times.
(c) Subpart G—Blast Furnace Slag Granulation.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furnance lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 | Total suspended solids | .000 | .000 | pH | ( 1) | ( 1) |
|---|
1Within the range of 7.5 to 10.0 at all times.
(d) Subpart G—Dross Reverberatory Slag Granulation.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of slag, speiss, or matte granulated | Lead | .000 | .000 | Zinc | .000 | .000 | Total suspended solids | .000 | .000 | pH | ( 1) | ( 1) |
|---|
1Within the range of 7.5 to 10.0 at all times.
(e) Subpart G—Dross Reverberatory Furnace Wet Air Pollution Control.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of dross reverberatory furnace production | Lead | .000 | .000 | Zinc | .000 | .000 | Total suspended solids | .000 | .000 | pH | ( 1) | ( 1) |
|---|
1Within the range of 7.5 to 10.0 at all times.
(f) Subpart G—Zinc Fuming Wet Air Pollution Control.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 | Total suspended solids | .000 | .000 | pH | ( 1) | ( 1) |
|---|
1Within the range of 7.5 to 10.0 at all times.
(g) Subpart G—Hard Lead Refining Slag Granulation.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of hard lead produced | Lead | .000 | .000 | Zinc | .000 | .000 | Total suspended solids | .000 | .000 | pH | ( 1) | ( 1) |
|---|
1Within the range of 7.5 to 10.0 at all times.
(h) Subpart G—Hard Lead Refining Wet Air Pollution Control.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of hard lead produced | Lead | .000 | .000 | Zinc | .000 | .000 | Total suspended solids | .000 | .000 | pH | ( 1) | ( 1) |
|---|
1Within the range of 7.5 to 10.0 at all times.
(i) Subpart G—Facility Washdown.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 | Total suspended solids | .000 | .000 | pH | ( 1) | ( 1) |
|---|
Within the range of 7.5 to 10.0 at all times.
(j) Subpart G—Employee Handwash.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | .924 | .429 | Zinc | 3.366 | 1.386 | Total suspended solids | 49.500 | 39.600 | pH | ( 1) | ( 1) |
|---|
Within the range of 7.5 to 10.0 at all times.
(k) Subpart G—Respirator Wash.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | 1.484 | .689 | Zinc | 5.406 | 2.226 | Total suspended solids | 79.500 | 63.600 | pH | ( 1) | ( 1) |
|---|
Within the range of 7.5 to 10.0 at all times.
(l) Subpart G—Laundering of Uniforms.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | 4.340 | 2.015 | Zinc | 15.810 | 6.510 | Total suspended solids | 232.500 | 186.000 | pH | ( 1) | ( 1) |
|---|
Within the range of 7.5 to 10.0 at all times.
§ 421.75 - Pretreatment standards for existing sources.
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 mut comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in primary lead process wastewater introduced into a POTW shall not exceed the following values:
(a) Subpart G—Sinter Plant Materials Handling Wet Air Pollution Control.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of sinter production | Lead | 100.800 | 46.800 | Zinc | 367.200 | 151.200 |
|---|
(b) Subpart G—Blast Furnace Wet Air Pollution Control.
PSES
| Pollutant or polluntant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pound per billion pounds) of blast furnance lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(c) Subpart G—Blast Furnace Slag Granulation.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pound per billion pounds) of blast furance lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(d) Subpart G—Dross Reverberatory Slag Granulation.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of slag, speiss, or matte granulated | Lead | 1,612.000 | 748.400 | Zinc | 5,872.000 | 2,418.000 |
|---|
(e) Subpart G—Dross Reverberatory Furnance Wet Air Pollution Control.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of dross reverberatory furnace production | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(f) Subpart G—Zinc Fuming Wet Air Pollution Control.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly 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.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly 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.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of hard lead produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(i) Subpart G—Facility Washdown.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced. | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(j) Subpart G—Employee Handwash.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | .924 | .429 | Zinc | 3.366 | 1.386 |
|---|
(k) Subpart G—Respirator Wash.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly 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.
PSES
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | 4.340 | 2.015 | Zinc | 15.810 | 6.510 |
|---|
§ 421.76 - Pretreatment standards for new sources.
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 lead process wastewaters introduced into a POTW shall not exceed the following values.
(a) Subpart G—Sinter Plant Materials Handling Wet Air Pollution Control.
PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of sinter production | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(b) Subpart G—Blast Furnace Wet Air Pollution Control.
PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(c) Subpart G—Blast Furnace Slag Granulation.
PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(d) Subpart G—Dross Reverberatory Slag Granulation.
PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of slag, speiss, or matte granulated | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(e) Subpart G—Dross Reverberatory Furnace Wet Air Pollution Control.
PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of dross reverberatory furnace production | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(f) Subpart G—Zinc Fuming Wet Air Pollution Control.
PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly 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
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly 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
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of hard lead produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(i) Subpart G—Facility Washdown.
PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | .000 | .000 | Zinc | .000 | .000 |
|---|
(j) Subpart G—Employee Handwash.
PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly 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
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly 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
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kkg (pounds per billion pounds) of lead bullion produced | Lead | 4.340 | 2.015 | Zinc | 15.810 | 6.510 |
|---|