Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
Metric units-mg/kg of silver processed | ||
English units-pounds per 1,000,000 pounds of silver processed | ||
Lead | 22.93 | 10.65 |
Silver | 23.75 | 9.83 |
Iron | 98.28 | 49.96 |
TSS | 1,228.5 | 982.8 |
COD | 4,095.0 | 1,999.0 |
pH | (1) | (1) |
1 Within the range of 7.5-10.0 at all times.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
Metric units-mg/kg of silver processed | ||
English units-pounds per 1,000,000 pounds of silver processed | ||
Lead | 40.6 | 18.9 |
Silver | 42.1 | 17.4 |
Iron | 174.0 | 88.5 |
TSS | 2,175.0 | 1,740.0 |
COD | 7,250.0 | 3,540.0 |
pH | (1) | (1) |
1 Within the range of 7.5-10.0 at all times.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
Metric units-mg/kg of cells produced | ||
English units-pounds per 1,000,000 pounds of cells produced | ||
Lead | 19.5 | 7.89 |
Silver | 15.3 | 6.31 |
Iron | 63.1 | 32.1 |
TSS | 789.0 | 631.2 |
COD | 2,630.0 | 1,290.0 |
pH | (1) | (1) |
1 Within the range of 7.5-10.0 at all times.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
Metric units-mg/kg of cells produced | ||
English units-pounds per 1,000,000 pounds of cells produced | ||
Lead | 0.026 | 0.012 |
Silver | 0.027 | 0.011 |
Iron | 0.112 | 0.057 |
COD | 4.70 | 2.30 |
TSS | 1.41 | 1.13 |
pH | (1) | (1) |
1 Within the range of 7.5-10.0 at all times.
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
Metric units-mg/kg of cells produced | ||
English units-pounds per 1,000,000 pounds of cells produced | ||
TSS | 8,467.0 | 4,030.0 |
pH | (1) | (1) |
1 Within the range of 7.5-10.0 at all times.
40 C.F.R. §461.63