| Acronym | Meaning |
| CWA | Clean Water Act |
| SACM | Statistical Adiabatic Channel Method (in Ion-mol. Reactions) |
| RSP | Respirable Suspended Particulates |
| SON | Supraoptic Nucleus |
| HPMS | Highway Performance Monitoring System |
| NCSE | National Council For Science And The Environment |
| TPSA | Total Prostate Specific Antigen |
| ALARP | As Low As Reasonably Practicable |
| CMIR | Carter Maximum Incremental Reactivity |
| ROSH | Registry Of Occupational Safety And Health |