| Acronym | Meaning |
| PPDS | Physical Property Data Service |
| MSX | Midcourse Space Experiment |
| HID | Helium Ionization Detector |
| MIP | Macrophage Inflammatory Protein |
| CDP | Cytidine 5'-diphosphate |
| KTFPB | Potassium Tetrakis[3 |
| SSF | Space Station Freedom |
| EAAS | Electrothermal Atomic Absorption Spectrometry |
| NESHAPS | National Emission Standards For Hazardous Air Pollutants |
| SAMHSA | Substance Abuse And Mental Health Services Administration |