| Acronym | Meaning |
| FFCA | Federal Facility Compliance Act |
| HFP | Hartree-Fock Perturbation |
| HFB | Hybrid Fluidized Bed |
| PWS | Public Water System |
| NEDS | National Emission Data System (USEPA) |
| RDA | Regularized Discriminant Analysis |
| DEGBAC | Diethylene Glycol-bis(allyl Carbonate) |
| OSCCM | Open-shell Coupled-cluster Method (in Electronic Property Calcn.) |
| PTM | Posttranslational Modification |
| MOE | Modulus Of Elasticity |