| Acronym | Meaning |
| APES | Atomic Plasma Emission Spectroscopy |
| TPR | Total Population Risk |
| MEDOC | Multipole Expansion Defined (on) One Center (a Wave Function In Calcns. On Atomic And Molecular Collisions) |
| RPAE | Random Phase Approximation With Exchange |
| CCA | Copper Chromium Arsenic |
| HADES | High Activity Disposal Exptl. Site [for Radioactive Waste] |
| APR | Air-Purifying Respirator |
| CIH | Certified Industrial Hygienist |
| ROBO | Rotating Bond Order (model In Potential Surface Calcns.) |
| AES | Atomic Emission Spectroscopy |