| Acronym | Meaning |
| SS | Space Station |
| QTOF | Quadrupole Time-of-flight |
| UAPSP | Utility Acid Precipitation Study Program |
| FPEIS | Final Programmatic Environmental Impact Statement |
| GCLSDA | Gradient-corrected Local Spin Density Approximation |
| HTSS | Hierarchical Tree Substructure Search |
| MEMOSA | Microelectromechanical Optical Sensor Array |
| FRCA | Fire Retardant Chemicals Association |
| COCI | Committee On Chemistry And Industry (IUPAC) |
| BEAR | Biological Effects Of Atomic Radiation |