| Acronym | Meaning |
| BRM | Biological Response Modifier |
| HKS | Hohenberg-Kohn-Sham (quantum Theory) |
| RPD | Retarding Potential Difference |
| HVDB | Halogenated Volatile Disinfection By-products |
| MBSF | Meters Below Seafloor |
| PFG | Pulsed Field Gradient |
| PTV | Programmed Temp. Vaporizing |
| IDTIMS | Isotope Diln. Thermal Ionization Mass Spectrometry |
| NLET | National Laboratory For Environmental Testing |
| LITJ | Laser-Induced Temperature Jump |