| Acronym | Meaning |
| IRS | Infrared Soldering |
| PSP | Pressure-sensitive Paint |
| NWC | National Water Council (UK) |
| CCSA | Const. Current Stripping Anal. |
| IFD | Industrial Facilities Discharge File (file Within STORET) |
| PBPD | Physiologically Based Pharmacodynamic |
| DMR | Discharge Monitoring Report |
| EETU | Environmental Education And Training Unit |
| ATP | Adenosine Triphosphate (reg: 56-65-5) |
| LTP | Lipid-transfer Protein |