| Acronym | Meaning |
 | WQC | Water Quality Criteria |
 | JCPDS | Joint Committee On Powder Diffraction Standards |
 | CORMA | COmplete Relaxation Matrix Analysis |
 | ICOLP | Industry Cooperative For Ozone Layer Protection |
 | HOESY | Heteronuclear Overhauser Enhancement Spectroscopy |
 | PDF | Probability-distribution Function |
 | LEES | Local Excess-electron State (a Mol.-crystal Wave Function) |
 | ACL | Average Contaminant Level |
 | ACEMS | Angular Conversion Electron Moessbauer Spectroscopy |
 | APLI | Atmospheric Pressure Laser Ionization |