Chemical properties of water treatment residuals
Chemical properties of water treatment residuals.
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| Chemical | Type of water treatment residual | Soil Reference Value (mg/kg) | Soil Leaching Value (mg/kg) | |
|---|---|---|---|---|
| Aluminum and iron | Calcium | |||
| Aluminum | 51000 | 2211 | 100000 | |
| Ammonia | nd | |||
| Antimony | nd | 1 | 100 | 6.5 |
| Arsenic | 35 | 4.3 | 20 | 7 |
| Barium | 205 | 30.3 | 18000 | 2021 |
| Beryllium | 1.55 | nd | 230 | 3.3 |
| Boron | nd | 47000 | 74 | |
| Cadmium | 0.8 | 0.2 | 200 | 10.6 |
| Calcium | 16700 | 494367 | ||
| Carbon | 172500 | 114000 | ||
| Chromium III | 52.5 | 1.6 | 650 | |
| Copper | 48 | 2 | 9000 | 842 |
| Iron | 51000 | 956.5 | 75000 | |
| Kjeldahl nitrogen | nd | |||
| Lead | 49.5 | 2.8 | 700 | 3240 |
| Magnesium | 2300 | 8530 | ||
| Manganese | 1950 | 73 | 8100 | 156 |
| Mercury | nd | nd | 1.4 | 4 |
| Molybdenum | 2 | 0.2 | 19.3 | |
| Nickel | 32.5 | 1.6 | 2500 | 211 |
| Nitrogen | 8350 | 330 | ||
| Phosphorus | 2995 | 74 | ||
| Potassium | 5550 | 846 | ||
| Selenium | nd | 1 | 1300 | |
| Silver | nd | 1 | 1300 | 9.4 |
| Sodium | 855 | 335 | ||
| Strontium | 45 | 274 | 100000 | 3370 |
| Vanadium | 68 | 3 | 250 | 4.8 |
| Zinc | 183 | 5.4 | 75000 | 3605 |
nd=not detected. Reporting limits were below SRVs and SLVs.