| Acronym | Meaning |
| BAL | Bronchoalveolar Lavage |
| BSHC | Break Specific Unburned Hydrocarbons |
| CTARC | Chemical Testing And Assessment Research Commission |
| LOGS | Laser Optogalvanic Spectrometry |
| WTE | Waste-To-Energy Facility |
| PHE | Potentially Harmful Element |
| SCEHM | Soil Chemical Exchange Of Heavy Metals Model |
| IAM | Internal Axis Method (in Calcns. Of Rotational Excitation In Atom-mol. Collisions) |
| XRS | X-Ray Spectroscopy |
| IAPA | Independent Asymptotic Pair Approxn. (in Electronic Structure) |