Wood preservation facilities, chromated copper arsenate: chapter B, table 24
Table 24. Typical Background of CCA Constituents (copper, chromium, arsenic)
| Typical concentration in non-polluted environments | ||
| Element | Surface waters (mg/L) | Soils (mg/kg) |
| Copper (Cu) | < 0.001 to 0.04 | 2 to 100 |
| Chromium (Cr) | 0.003 to 0.04 | 5 to 1000 (50 mg/kg is normal) |
| Arsenic As) | < 0.001 to 0.01 | 1 to 50 (up to 500 mg/kg found in sulphide deposits) |