| Acronym | Meaning |
| MBTS | 2-mercaptobenzothiazyl Disulfide |
| OMB | Office Of Management And Budget |
| DS | Dry Solids |
| NOGF | Nonorthogonal Group Function Approximation |
| AIPI | Ab Initio Perturbed Ion (calcn. Method) |
| OCCSD | Open-shell Coupled-cluster (with) Single (and) Double (excitations) |
| NEMA | National Electrical Manufactures Association |
| DEM | Digital Elevation Model |
| DARTAB | Dose And Risk Assessment Tabulation |
| EMMI | Environmental Monitoring Methods Index |