| Acronym | Meaning |
| APSTNG | Associated-particle Sealed-tube Neutron Generator |
| PFRP | Process To Further Reduce Pathogens |
| AEC | Atomic Energy Commission |
| NDT | Nondestructive Testing |
| SEAR | Surfactant-enhanced Aquifer Remediation |
| LOIS | Loss Of Interim Status |
| NURP | Nationwide Urban Runoff Program (USEPA) |
| LOPT | Large-order Perturbation Theory |
| 7-ADCA | 7-aminodesacetoxycephalosporanic Acid |
| ESE | Electron Spin Echo |