| Acronym | Meaning |
| CNDP | Cold Neutron Depth Profiling |
| CHORTLE | Carbon-hydrogen Correlation From One-dimensional Polarization-transfer Spectra By Least-squares Analysis |
| ASTM | American Society For Testing And Materials |
| STODI | Slater-type Orbital-point Dipole Interaction (in Mol. Polarizability Calcns.) |
| LPA | Local Plasma Approxn. (in Calcns. Of Stopping Powers For Ions By Films) |
| ETO | Elliptical-type Orbital |
| IAC | Impregnated Activated Carbon |
| ERG | Emergency Response Guidebook |
| SCSAG | Small-curvature Semiclassical Adiabatic Ground-state (tunneling Approxn.) |
| SID | Selected Ion Detection |