| Acronym | Meaning |
| NEDB | National Exposure Database (HSE) |
| ROSE | Regional Oxidants In The SouthEast |
| ACPF | Averaged Coupled Pair Functional |
| PAO | Polarized Atomic Orbital |
| RED | Radiation Enhanced Diffusion |
| SALS | Small-angle Light Scattering |
| IMA | Ion Microanalysis |
| RQ | Reportable Quantity |
| BHMT | Betaine-homocysteine Methyltransferase |
| CAICISS | Coaxial Impact Collision Ion Scattering Spectroscopy |