40 CFR § 420.84
New source performance standards (NSPS)
June 9, 2020
The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.
(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.
Subpart H
Open Table
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.204 | 0.0876 |
| Chromium | 0.00292 | 0.00117 |
| Nickel | 0.00263 | 0.000876 |
| pH | (1) | (1) |
1Within the range of 6.0 to 9.0.
(2) Batch, rod and wire.
Subpart H
Open Table
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.123 | 0.0526 |
| Chromium | 0.00175 | 0.000701 |
| Nickel | 0.00158 | 0.000526 |
| pH | (1) | (1) |
1Within the range of 6.0 to 9.0.
(3) Batch, pipe and tube.
Subpart H
Open Table
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.496 | 0.213 |
| Chromium | 0.00709 | 0.00284 |
| Nickel | 0.00638 | 0.00213 |
| pH | (1) | (1) |
1Within the range of 6.0 to 9.0.
(4) Continuous.
Subpart H
Open Table
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.0964 | 0.0413 |
| Chromium | 0.00138 | 0.000551 |
| Nickel | 0.00124 | 0.000413 |
| pH | (1) | (1) |
1Within the range of 6.0 to 9.0.
(b) Salt bath descaling, reducing—(1) Batch.
Subpart H
Open Table
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.0949 | 0.0407 |
| Cyanide | 0.00102 | 0.000339 |
| Chromium | 0.00136 | 0.000542 |
| Nickel | 0.00122 | 0.000407 |
| pH | (1) | (1) |
1Within the range of 6.0 to 9.0.
(2) Continuous.
Subpart H
Open Table
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.532 | 0.228 |
| Cyanide | 0.00569 | 0.00190 |
| Chromium | 0.00759 | 0.00304 |
| Nickel | 0.00683 | 0.00228 |
| pH | (1) | (1) |
1Within the range of 6.0 to 9.0.
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