| Acronym | Meaning |
| WINDEP | Worksheet-Integrated Deposition Estn. Program |
| ENR | Endogenous Nitrate Respiration |
| BSRT | Biological Solids Retention Time |
| CCSD-EH | CCSD-effective Hamiltonian |
| LEL | Lower Explosion Limit |
| PLUARG | Pollution From Land Use Activities Reference Group |
| CTDO | Conductivity-Temperature-Depth-Oxygen Profiler |
| GAEP | Generalized Atomic Effective Potential |
| IHMM | Institute Of Hazardous Materials Management |
| AVDP | Analytic Velocity-dependent Potential (for Electron Scattering) |