| Acronym | Meaning |
| DSA | Digital Subtraction Angiography |
| MOE | Margin Of Exposure |
| EWPCA | European Water Pollution Control Association |
| FMTBA | Fitted Modified Tight-binding Approxn. |
| IRS | Internal Recognition Subsequence |
| CTMAB | Cetyl Trimethyl Ammonium Bromide (cationic Surfactant) |
| MLD | Metachromatic Leukodystrophy |
| OPPT | Office Of Pollution Prevention And Toxics (US EPA) |
| FYNES | Fluorescence Yield Near Edge Spectroscopy |
| DRUM | Davis Rotating-drum Universal-size-cut Monitoring [cascade Impactor] Sampler |