40 CFR § 415.65
New source performance standards (NSPS)
June 9, 2020
(a) Any new source subject to this subpart and using the mercury cell process must achieve the following new source performance standards (NSPS):
Subpart F—Chlor-Alkali-Mercury Cells
Open Table
| Pollutant or pollutant property | NSPS limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kq/kkg (or pounds per 1,000 lb) of product | ||
| TSS | 0.64 | 0.32 |
| Mercury (T) | 0.00023 | 0.00010 |
| Total Residual Chlorine | 0.0032 | 0.0019 |
| pH | (1) | (1) |
1Within the range 6.0 to 9.0.
(b) Any new source subject to this subpart and using the diaphragm cell process must achieve the following new source performance standards (NSPS):
Subpart F—Chlor-Alkali-Diaphragm Cells
Open Table
| Pollutant or pollutant property | NSPS limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kq/kkg (or pounds per 1,000 lb) of product | ||
| TSS | 1.1 | 0.51 |
| Lead (T) | 0.0047 | 0.0019 |
| Total Residual Chlorine | 0.013 | 0.0079 |
| pH | (1) | (1) |
1Within the range 6.0 to 9.0.
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