| Acronym | Meaning |
 | SPARC | Secreted Protein Acidic And Rich In Cysteine |
| SIRM | Scanning Infrared Microscope |
| ORAQI | Oak Ridge Air Quality Index |
| PIES | Penning Ionization Electron Spectroscopy |
| EPA | Electron Population Analysis |
| NIGET | Neutron-induced Gamma-ray Emission Tomography |
| SPB | Strong-potential Born (approxn. For At. Collision Calcns.) |
| IVA | Intravehicular Activity (related To Spacecraft) |
| ULDPE | Ultra Low Density Polyethylene |
| NCEH | National Center For Environmental Health |
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