| Acronym | Meaning |
| RSF | Relative Sensitivity Factor |
| CAEC | Center For Analysis Of Environmental Change |
| FETI | Fire, Explosion And Toxicity Index |
| HDV | Hepatitis Delta Virus |
| MGD | Million Gallons Per Day |
| PICP | Carboxyterminal Propeptide Of Type I Procollagen |
| DIMET | Desorption Induced By Multiple Electronic Transitions |
| CCC | Critical Coagulant Concentration |
| IRF | Instrument Response Function |
| CAB | Cellulose Acetate Butyrate |