| Acronym | Meaning |
| LEIS | Low-Energy Ion Scattering Spectroscopy |
| OPPTS | Office For Prevention |
| DRF | Dose Reduction Factor |
| AI | 'Agpaitic Index' And Represents The (Na2O + K2O)/Al2O3 Ratio. |
| EBMUD | East Bay Municipal Utility District (Oakland |
| MNDO-HE | Modified Neglect Of Diatomic Overlap-half Electron |
| RD | Remedial Design |
| LSW | Localized Spherical Wave (in Electronic Structure Calcns.) |
| LAICP | Laser Ablation Inductively Coupled Plasma |
| DTG | Differential Thermogravimetry |