| Acronym | Meaning |
| HIC | Hydrogen-induced Cracking |
| CPR | Cytochrome P 450 Reductase |
| WHO | World Health Organization |
| HRAP | High Rate Algal Pond |
| CFSTR | Continuous Flow Stirred Tank Reactor |
| VPD | Vapor Phase Decomposition |
| MSM | Multiple-scattering Model |
| NWRI | National Water Research Institute (Burlington |
| MDGI | Mammary Gland-derived Growth Inhibitor |
| TRXF | Total Reflection X-ray Fluorescence |