| Acronym | Meaning |
| BAT | Biol. Tolerance Value (German Std.) |
| AOB | Ammonia Oxidizing Bacteria |
| SCC | Somatic Cell Count |
| TZ | Triple Zeta (basis Set) |
| FMC | Flow Microcalorimetry |
| APIOS | Acid Precipitation In Ontario Study |
| AMTIR | Amorphous Material Transmitting Infrared Radiation |
| DWPL | Drinking Water Priority List |
| PSMA | Prostate Specific Membrane Antigen |
| LDC | Liq. Dynamic Compaction |