Wood preservation facilities, alkaline copper quaternary: chapter G, table 24
Table 24. Typical Background Levels of ACQ Constituents
| Typical background levels in environment | ||
| Component | Surface waters (mg/L) | Soils (mg/kg) |
| Copper (Cu) | < 0.001 to 0.04 | 2-100 |
| Ammonia (NH3) | < 0.01 | 1-5 ppm (as NH4+) |
| Boron (B) | 0.0001-2.58 Typical boron concentrations are less than 0.1 mg/L |
2-100 |