| Acronym | Meaning |
| SEXAFS | Surface-extended X-ray Absorption Fine Structure |
| CAAA | Clean Air Act Amendments (of 1990) |
| BMD | Bone Mineral Density |
| HPAEC | High-performance Anion-exchange Chromatography |
| AGCM | Adiabatic Generator Coordinate Method (for Energy Level Calcn.) |
| TMS | Transmission Moessbauer Spectroscopy ~ ~ |
| OD | Order-Disorder (in Mineral Structure) |
| MASIF | Measurement And Analysis Of Surface Interaction Forces |
| IC | Ion Chromatography |
| EMSL | Environmental Monitoring And Support Laboratory |