| Acronym | Meaning |
| PFPD | Pulsed-flame Photometer Detector |
| NOBIC | Near-field Optical Beam Induced Current |
| BGC | Biogeochemical Cycling |
| SAF | Symmetry Adapted Function (in CI Calcns.) |
| APWA | American Public Works Association |
| SCUVS | Stratospheric Climatology Using UV/Visible Spectroscopy |
| BOFS | Biogeochemical Ocean Flux Study (UK) |
| CRL | Central Regional Laboratory |
| CPA | Coupled-pair Approximation |
| PIT | Phase Inversion Temperature |