| Acronym | Meaning |
| DMPP | 1,1-dimethyl-4-phenylpiperazinium Iodide |
| PQL | Practical Quantitation Levels (of Pollutants |
| VSV | Vesicular Stomatitis Virus |
| GUVI | Global Ultraviolet Imager |
| CI | Compression-ignition (engine) |
| RCLED | Resonant Cavity Light Emitting Diode |
| CNAEL | Committee On National Accreditation Of Environmental Laboratories (US EPA) |
| CYCLOPS | Cyclically Ordered Phase Sequence |
| NTRM | NIST Traceable Ref. Materials |
| SACRED | Silicon Array For ConveRsion Electron Detection |