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| Subpart R | Secondary Mercury Subcategory | 421.200 – 421.207 | |||||||||||||||||||||
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Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e), and (g), 1316 (b) and (c), 1317 (b) and (c), 1318 and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4.
49 FR 8790, Mar. 8, 1984, unless otherwise noted.
50 FR 38354, Sept. 20, 1985, unless otherwise noted.
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50 FR 38354, Sept. 20, 1985, unless otherwise noted.
The provision of this subpart are applicable to discharges resulting from the production of mercury from secondary mercury facilities processing recycled mercuric oxide batteries and other mercury containing scrap raw materials.
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.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Spent battery electrolyte.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pounds per million pounds) of mercury produced from batteries | ||
| Lead | 0.030 | 0.014 |
| Mercury | 0.016 | 0.006 |
| Total suspended solids | 1.590 | 1.272 |
| pH | (1) | (1) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(b) Acid wash and rinse water.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pounds per million pounds) of mercury washed and rinsed | ||
| Lead | 0.00056 | 0.00026 |
| Mercury | 0.00030 | 0.00012 |
| Total suspended solids | 0.03000 | 0.02400 |
| pH | (1) | (1) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(c) Furnace wet air pollution control.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pounds per million pounds) of mercury processed through furnace | ||
| Lead | 0.000 | 0.000 |
| Mercury | 0.000 | 0.000 |
| Total suspended solids | 0.000 | 0.000 |
| pH | (1) | (1) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
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 secondary mercury process wastewater introduced into a POTW shall not exceed the following values:
(a) Spent battery electrolyte.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pounds per million pounds) of mercury produced from batteries | ||
| Lead | 0.030 | 0.014 |
| Mercury | 0.016 | 0.006 |
(b) Acid wash and rinse water.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pounds per million pounds) of mercury washed and rinsed | ||
| Lead | 0.00056 | 0.00026 |
| Mercury | 0.00030 | 0.00012 |
(c) Furnance wet air pollution control.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pounds per million pounds of mercury processed through furnace | ||
| Lead | 0.000 | 0.000 |
| Mercury | 0.000 | 0.000 |