| Acronym | Meaning |
| IPSC | Inhibitory Postsynaptic Current |
| NCC | Near-centerline Concn. |
| GEMMA | Gas-phase Electrophoretic Mobility Molecular Analysis |
| EDXD | Energy Dispersive X-ray Diffraction |
| STIM | Scanning Transmission Ion Microscopy |
| HERL/MIS | Health Effects Research Laboratory Management Information System |
| LOMU | Mantle Component With Low Pb-206/Pb-204 |
| GEXRF | Grazing-emission X-ray Fluorescence |
| CPMAS | Cross Polarization Magic Angle Spinning (C-13 NMR) |
| MACSIMS | Measurement Of Atmospheric Constituents By Selective Ion Mass Spectrometry |