| Acronym | Meaning |
| PWSB | Plane-wave Second Born |
| NREP | National Registry Of Environmental Professionals |
| RDPV | Reverse Differential-pulse Voltammetry |
| HMMP | Hazardous Materials Management Plan |
| CEQ | Collinear Exact Quantum (method In Reactive-scattering Calcn.) |
| HAADF | High-angle Annular Dark-field |
| ARM | Area Radiation Monitoring |
| TDI | Toluene Diisocyanate [mixt. Of Isomers] |
| ARRP | Acid Rain Research Program |
| HOC | Hydrophobic Organic Compounds |