| Acronym | Meaning |
| MNDO/M | Modified MNDO |
| DZ | Dunning-Huzinaga (basis Sets) |
| RODAC | Regional Ocean Dumping Advisory Committee |
| OVB | Orthogonalized Valence Bond Method |
| SNAP | Significant New Alternative Policy |
| EPDM | Ethylene-propylene Diene Monomer |
| LAKE | Clean Lakes Database (accessible Through OLS) |
| EO | Equivalent Orbital |
| CFA | Component Failure Analysis |
| B/F | Bag Filter |