| Acronym | Meaning |
| NSES | National Science Education Standards |
| CCRIS | Chemical Carcinogenesis Research Information System |
| HWGTF | Hazardous Waste Groundwater Test Facility |
| MCEP | Multiconfigurational Electron Propagator (in Ionization Potential Calcns.) |
| NRL | Naval Research Laboratories |
| CEEES | Committee Of European Environmental Engineering Societies |
| TLFPE | Time-local Fokker-Planck Equation |
| FIBC(A) | Flexible Intermediate Bulk Container (Association) [bulk Bag] |
| HDL | High Density Lipoprotein |
| PCDW | Projectile Continuum Distorted Wave (in Atom Collision Calcns.) |