| Acronym | Meaning |
 | CEEL | Community Emergency Exposure Level |
 | UCEPA | Unitary Coupled Electron Pair Approximation |
 | LEP | Local Electron Pair (model For Intra- & Intermol. Interactions) |
 | PILA | Publishers International Linking Association |
 | PGDN | Propylene Glycol Dinitrate |
 | GFFF | Gravitational Field-flow Fractionation |
 | LASA | Lidar Atmospheric Sounder And Altimeter |
 | ORGDL | Oak Ridge Gaseous Diffusion Lab. |
 | RNN | Recurrent Neural Network |
 | ALR | Allergenic Effects |