| Acronym | Meaning |
| NAPIAP | National Agricultural Pesticide Impact Assessment Program |
| MBRSPT | Many-body Rayleigh-Schroedinger Perturbation Theory |
| OAW | Oxyacetylene Welding |
| MS-RC(XI) | Multiple Scattering Relativistic Correlated (calcn. Method) |
| GHSV | Gas Hourly Space Velocity |
| MCF | Monocyte Cytotoxicity Factor |
| UNITAR | United Nations Institute For Training And Research |
| PLFA | Phospholipid Fatty Acid |
| IARC | International Agency For Research On Cancer |
| NAPBN | National Air Pollution Background Network |