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 | 7 | |
Barium | 205 | 30.3 | 18000 | 2021 |
Beryllium | 1.55 | nd | 230 | 3.3 |
Boron | nd | 47000 | 74 | |
Cadmium | 0.8 | 0.2 | 10.6 | |
Calcium | 16700 | 494367 | ||
Carbon | 172500 | 114000 | ||
Chromium III | 52.5 | 1.6 | 650 | |
Copper | 48 | 2 | 9000 | 842 |