Wood preservation facilities, ammoniacal copper zinc arsenate: chapter C, table 24
Table 24. Typical Background Levels of Ammoniacal Copper Zinc Arsenate (ACZA) Constituents
| Element | Typical concentration in non-polluted environments | |
| Surface waters (mg/L) | Soils (mg/kg) | |
| Copper (Cu) | < 0.001 to 0.04 | 2 to 100 |
| Arsenic (As) | < 0.001 to 0.01 | 1 to 50 (up to 500 mg/kg found in sulphide deposits) |
| Ammonia (NH3) | < 0.1 | 1 to 5 ppm (as NH4+) |
| Zinc (Zn) | < 0.05 | 60 |