| Acronym | Meaning |
| NRCC | National Research Council Of Canada |
| GNVP | Generalized Newton Variational Principle |
| FTD | Flame Thermionic Detector (gas Chromatography) |
| CDD | Chlorinated Dibenzo-p-dioxin |
| NGV | Natural Gas Vehicle |
| MSA | Many-trajectory Semiclassical Approxn. (in At.-collision Theory) |
| MLOPEX | Mauna Loa Observatory Photochemistry Experiment |
| DWBA3(3DWBA) | Three-body Distorted-wave Born Approximation |
| TESSA | Total Exhaust Solvent Scrubbing Apparatus |
| HC | Hazardous Constituent |