| Acronym | Meaning |
| NEROS | Northeast Regional Oxidant Study |
| CPF | Coupled-pair Functional (CI Method With Energy Functional) |
| DRS | Diffuse Reflectance Spectroscopy |
| NGO | Nongovernment Organization(s) |
| SGCR | Subcommittee Global Change Research |
| CIRS | Composite Infrared Spectrometer |
| CGR | Coliform Growth Response |
| MGE | Mobile Genetic Element |
| CLC | Cholesteric Liquid Crystal |
| SCUVS | Stratospheric Climatology Using UV/Visible Spectroscopy |