| Acronym | Meaning |
| CVSEH | Correlated Valence Shell Effective Hamiltonian |
| CFBC | Circulating Fluidized Bed Combustion |
| CDP | Contracted Density Product (in Simplification Of MO Calcns.) |
| BPDA | 3,3',4,4'-biphenyltetracarboxylic Dianhydride |
| OPPT | Office Of Pollution Prevention And Toxics (US EPA) |
| RESIS | Receptor Site Interaction Simulation |
| QMO | Quaternionic Molecular Orbital Method |
| SNICS | Source Of Negative Ions By Cesium Sputtering |
| SRXFA | Synchrotron Radiation X-ray Fluorescence Analysis |
| FNAA | Fast Neutron Activation Analysis |