| Acronym | Meaning |
| HTLV | Human T-lymphotropic Virus |
| MEPAS | Multimedia Environmental Pollution Assessment System |
| SE | Symmetric Eikonal (approxn. In Calcns. On Ion Scattering) |
| MPY | Miles Per Year |
| MACT | Maximum Achievable Control Technology |
| ARGOS | Advanced Remote Gaseous Oxides Sensor |
| TCLP | Toxicity Characteristic Leaching Procedure |
| FONDA | First-order Nondegenerate Adiabatic (theory For Electron-mol. Inelastic Scattering) |
| CSPI | Coherent State Path Integration |
| CPPI | Cross-polarization-polarization-inversion [NMR] |