| Acronym | Meaning |
| FPC | Fractional Parentage Coeff. (in Group-theor. Calcns.) |
| EMS | Ethyl Methanesulfonate |
| NPL | National Physical Laboratory |
| WHOI | Woods Hole Oceanographic Institute |
| CHEQ | Chelation Enhanced Quenching |
| CIRA | COSPAR International Reference Atmosphere |
| CRIMS | Chemical Reaction Interface Mass Spectrometry |
| SMART-1 | Small Missions For Advanced Research In Technology-1 |
| NOES | National Occupational Exposures Survey |
| USGS | United States Geological Survey |