Performance Standards
Regulated parameter | Maximum daily1 | Maximum monthly avg.1 |
Conventional Parameters | ||
O&G | 205 | 50.2 |
pH | (2) | (2) |
TSS | 29.6 | 11.3 |
Metal Parameters | ||
Antimony | 0.111 | 0.0312 |
Arsenic | 0.0993 | 0.0199 |
Cadmium | 0.782 | 0.163 |
Chromium | 0.167 | 0.0522 |
Cobalt | 0.182 | 0.0703 |
Copper | 0.659 | 0.216 |
Lead | 1.32 | 0.283 |
Mercury | 0.000641 | 0.000246 |
Nickel | 0.794 | 0.309 |
Selenium | 0.176 | 0.0698 |
Silver | 0.0318 | 0.0122 |
Tin | 0.0955 | 0.0367 |
Titanium | 0.0159 | 0.00612 |
Vanadium | 0.0628 | 0.0518 |
Zinc | 0.657 | 0.252 |
1 mg/L (ppm).
2 Within the range 6 to 9.
40 C.F.R. §437.14