Research Article
Leaching of Chromium, Copper, and Arsenic from CCA-Treated Utility Poles
Table 6
Extreme Cu, Cr, and As concentrations in soils near 1-, 2-, and 13-year-old poles.
| Approximate pole age (years) | TL | Pole | Cu (mmol/kg) | Cr (mmol/kg) | As (mmol/kg) |
| 1 | 227 | P1-8 | 37.5 | 15.5 | 15.7 |
| 2 | 225 | P19L (N) | 17.3 | 6.12 | 2.48 |
| 13 | 259 | P121 | 22.4 | 5.19 | 3.19 | P87 | 21.3 | 11.8 | 8.25 | P101 | 28.9 | 65.5 | 38.9 |
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