| Acronym | Meaning |
| NAREL | National Air And Radiation Environmental Laboratory |
| LMWH | Low-molecular-weight Heparin |
| WGSATM | Working Group On The Statistical Aspects Of Trend Monitoring (ICES) |
| MSIA | Mass Spectrometric Immunoassay |
| FAS | Federation Of American Scientists |
| LOCOS | Local Oxidation Of Silicon |
| ASPT | Av. Score Per Taxon |
| NDIR | Nondispersive Infrared Analysis |
| FCC | Flight Control Computer |
| GVBD | Germinal Vesicle Breakdown |