40 CFR § 420.83
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT)
June 9, 2020
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.
Subpart H
Open Table
| Pollutant or pollutant property | BAT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Chromium | 0.00292 | 0.00117 |
| Nickel | 0.00263 | 0.000876 |
(2) Batch, rod and wire.
Subpart H
Open Table
| Pollutant or pollutant property | BAT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Chromium | 0.00175 | 0.000701 |
| Nickel | 0.00158 | 0.000526 |
(3) Batch, pipe and tube.
Subpart H
Open Table
| Pollutant or pollutant property | BAT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Chromium | 0.00709 | 0.00284 |
| Nickel | 0.00638 | 0.00213 |
(4) Continuous.
Subpart H
Open Table
| Pollutant or pollutant property | BAT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Chromium | 0.00138 | 0.000551 |
| Nickel | 0.00124 | 0.000413 |
(b) Salt bath descaling, reducing—(1) Batch.
Subpart H
Open Table
| Pollutant or pollutant property | BAT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Cyanide | 0.00102 | 0.000339 |
| Chromium | 0.00136 | 0.000542 |
| Nickel | 0.00122 | 0.000407 |
(2) Continuous.
Subpart H
Open Table
| Pollutant or pollutant property | BAT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Cyanide | 0.00569 | 0.00190 |
| Chromium | 0.00759 | 0.00304 |
| Nickel | 0.00683 | 0.00228 |
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