| Acronym | Meaning |
| NOHS | National Occupational Hazard Survey |
| PCV | Positive Crankcase Ventilation |
| IPA | Inverted Perturbation Approach (in Mol. Potential-energy Curves Calcn.) |
| TCM | Total Capacitance Method |
| GLOMAC | Global Modeling Of Atmospheric Chemistry |
| EBSM | Extended Breathing Shell Model |
| MBSS | Molecular Beam Surface Scattering |
| FPPA | Federal Plant Pest Act |
| BTF | Biotransfer Factor |
| XD | Exothermic Dispersion |