| Acronym | Meaning |
| CEPPO | Chemical Emergency Preparedness And Prevention Office |
| OSRD | Office Of Scientific Research And Development |
| HEWL | Hen Egg White Lysozyme |
| IRMS | Isotope Ratio Mass Spectrometry |
| WQMSGL | Water Quality Modeling System For The Great Lakes |
| IOSA | Infinite Order Suden Approxn. (for Mol. Scattering Calcns.) |
| MPR | Mannose Phosphate Receptor |
| LFG | Landfill Gas |
| RER | Rough Endoplasmic Reticulum |
| ADH | Alcohol Dehydrogenase (reg: 9031-72-5) |