| Acronym | Meaning |
| EPW | Electron Plasma Wave |
| ESP | Electron Spin Polarization |
| FFCA | Federal Facility Compliance Act |
| LDPO | Linearly Driven Parametric Oscillator (model In Energy Transfer Calcns. In Mol. Collisions) |
| PEG | Polyethylene Glycol |
| RAR | Retinoic Acid Receptor |
| TFR | Thin Film Resonator |
| IUVSTA | International Union Of Vacuum Science |
| NSDWR | National Secondary Drinking Water Regulations |
| CAA | Clean Air Act Of 1970 |