| Acronym | Meaning |
 | AMWA | American Metropolitan Water Association |
 | SXRFM | Synchrotron X-ray-fluorescence Microprobe |
 | IDI | Ion Dipole Induced (potential Term In Potential Energy Surfaces) See Also LEPS-IDI |
 | PEDRI | Proton-electron Double-resonance Imaging |
 | PSG | Phosphosilicate Glass |
 | MIRA | Multivariate Image Rank Analysis |
 | SORP | Southern Oxidants Research Program |
 | SPM | Suspended Particulate Matter |
 | APCVD | Atm.-pressure Chem. Vapor Deposition |
 | ILS | Ionization Loss Spectroscopy |