| Acronym | Meaning |
| EPEN | Empirical Potential (based On Interaction Of) Electrons (and) Nuclei |
| RTO | Regenerative Thermal Oxidizer |
| ODLTS | Optical Deep Level Transient Spectroscopy |
| HI | Hinkley Index |
| HPM | Hole-potential Model (in Calcn. Of Mol. Excited States) |
| TSD | Thermally Stimulated Discharge |
| DAS | Direct Absorption Spectroscopy |
| SCLM | Scanning Confocal Laser Microscopy |
| SIMM | Single Inline Memory Module |
| NCEA | National Center For Environmental Assessment |