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Element | Symbol | Method | Water (mg/L) | Method | Waste Water* (mg/L) | Drinking Water (mg/L) |
| | | PQL | | PQL | PQL |
Aluminum | Al | EPA 200.7 | 0.05 | EPA 200.8 | 0.005 | |
Antimony | Sb | EPA 200.7 | 0.025 | EPA 200.8 | 0.0005 | 0.0005 |
Arsenic | As | EPA 200.7 | 0.01 | EPA 200.8 | 0.002 | 0.002 |
Barium | Ba | EPA 200.7 | 0.005 | EPA 200.8 | 0.002 | 0.002 |
Beryllium | Be | EPA 200.7 | 0.005 | EPA 200.8 | 0.0005 | 0.0005 |
Boron | B | | | EPA 200.8 | 0.020 | |
Cadmium | Cd | EPA 200.7 | 0.002 | EPA 200.8 | 0.00015 | 0.00015 |
Calcium | Ca | EPA 200.7 | 0.1 | | | |
Chromium | Cr | EPA 200.7 | 0.005 | EPA 200.8 | 0.002 | 0.002 |
Cobalt | Co | EPA 200.7 | 0.005 | EPA 200.8 | 0.002 | |
Copper | Cu | EPA 200.7 | 0.002 | EPA 200.8 | 0.002 | 0.002 |
Iron | Fe | EPA 200.7 | 0.025 | EPA 200.8 | 0.025 | 0.025 |
Lead | Pb | EPA 200.7 | 0.01 | EPA 200.8 | 0.0005 | 0.0005 |
Magnesium | Mg | EPA 200.7 | 0.1 | | | |
Manganese | Mn | EPA 200.7 | 0.005 | EPA 200.8 | 0.002 | 0.002 |
Mercury | Hg | EPA 245.1 | 0.0002 | | | |
Mercury | Hg | EPA 1631 | 1.0 ng/L | | | |
Molybdenum | Mo | EPA 200.7 | 0.005 | EPA 200.8 | 0.002 | |
Nickel | Ni | EPA 200.7 | 0.01 | EPA 200.8 | 0.0005 | 0.0005 |
Phosphorus | P | EPA 200.7 | 0.02 | | | |
Potassium | K | EPA 200.7 | 0.2 | | | |
Selenium | Se | EPA 200.7 | 0.01 | EPA 200.8 | 0.001 | 0.001 |
Silica | Si | EPA 200.7 | 0.5 | | | |
Silver | Ag | EPA 200.7 | 0.005 | EPA 200.8 | 0.0005 | |
Sodium | Na | EPA 200.7 | 0.2 | | | |
Sulfur | S | EPA 200.7 | 0.1 | | | |
Thallium | Tl | EPA 200.7 | 0.02 | EPA 200.8 | 0.0005 | 0.0005 |
Tin | Sn | EPA 200.7 | 0.025 | | | |
Titanium | Ti | EPA 200.7 | 0.005 | EPA 200.8 | 0.005 | |
Vanadium | V | EPA 200.7 | 0.04 | EPA 200.8 | 0.005 | |
Zinc | Zn | EPA 200.7 | 0.01 | EPA 200.8 | 0.005 | |