| Acronym | Meaning |
| PIRG | Public Interest Research Group |
| NADP | National Atmospheric Deposition Program |
| EAS | Exposure Assessments |
| SADVR | Symmetry-adapted Discrete Variable Representation (in Mol. Wave Function Calcn. For Nuclear Motion On A Given PES) |
| ESA | Electrostatic Analyzer |
| MS | Molecular Spinor |
| OCTS | Ocean Color And Temperature Sensor |
| ILIAC | International Library Information And Analytical Center |
| GNLSE | Generalized Nonlinear Schroedinger Equation |
| NICI | Negative Ion Chemical Ionization (mass Spectrometry) |