Heavy metal concentrations in wood chips
Heavy metal concentrations (mg/kg) in wood chips (New York State Energy Research and Development Authority, 2013).
Link to this table
| Metal | Mean1 | Median1 | SRV – residential2 | SRV – commercial | SLV3 |
|---|---|---|---|---|---|
| Vanadium | 0.02 | 0.57 | 1.08 | 16 | 8 |
| Chromium (III) | 0.24 | 7.36 | 23160 | 100000 | >100000 |
| Manganese | 70.6 | 272 | 2104 | 26000 | 260.4 |
| Iron | 18.1 | 345 | 10808 | 100000 | na |
| Cobalt | 0.03 | 0.14 | 4.62 | 69 | 54.1 |
| Nickel | 0.36 | 1.98 | 170 | 2600 | 352 |
| Copper | 1.32 | 3.41 | 2192 | 33000 | 1404 |
| Zinc | 5.93 | 17 | 4632 | 70000 | 6008 |
| Arsenic | 0.05 | 1.17 | 0.08 | 1.2 | 11.64 |
| Cadmium | 0.005 | 0.079 | 1.59 | 23 | 17.62 |
| Lead | 0.25 | 1.12 | 300 | 700 | 5401 |
| Antimony | 0.005 | 0.397 | 93 | 6.2 | 1.82 |
| Barium | |||||
| Barium | 17.4 | 45.9 | 41000 | 3000 | 3368 |
| Selenium | 0.04 | 0.09 | 1200 | 77 | 5.28 |
1 13 samples
2
SRV=Soil Reference Value (mg/kg)
3SLV=Soil Leaching Value (mg/kg); assumes 3 foot thick media and 3 foot separation from groundwater