| Acronym | Meaning |
| CGA | Chromogranin A |
| ARM | Agricultural Runoff Model |
| SPUPS | Spin Polarised Ultraviolet Photoelectron Spectroscopy |
| HAPEM | Hazardous Air Pollutant Exposure Model |
| CARS | Corrective Action Reporting System (now Known As RCRIS) |
| GLNPO | Great Lakes National Program Office |
| MCB | Micro-carrier Bed |
| NREP | National Registry Of Environmental Professionals |
| PROACT | Proactive Respirometric Operational And Control Technology |
| MOFT | Minimum Oil Film Thickness |