| Acronym | Meaning |
| NATICH | National Air Toxics Information Clearinghouse |
| CSA | Centrifugal Sudden Approxn. (in Scattering Calcns.) |
| GFMC | Green Function Monte Carlo (quantum Method) |
| FRTP | Fiber-reinforced Thermoplastic |
| CSEM | Coherent Self-energy Method |
| SS | Suspended Solids |
| SCPA | Self-consistent Phonon Approximation (for Lattice Dynamics Of Quantum Crystals) |
| CCFOM | Charche-charge Flux-overlap Modified (model In IR Spectra Calcn.) |
| SADT | Self Accelerating Decomposition Temperature |
| ISE | Ion Selective Electrode |