| Acronym | Meaning |
| CGA | Compressed Gas Association |
| PCDW | Projectile Continuum Distorted Wave (in Atom Collision Calcns.) |
| FLNS | Fluorescence Line-narrowing Spectroscopy |
| TRXF | Total Reflection X-ray Fluorescence |
| CC-CPA | Charge-correlated CPA |
| MDS | Matrix-diagonalization Sudden Approximation (for Atom Surface Scattering Calcns.) |
| OZIPM | Ozone Isopleth Plotting With Optional Mechanisms |
| DAVES | Desorption And Vapor Extraction System |
| EHEC | Enterohemorrhagic Escherichia Coli |
| CSDP | Chemical Stockpile Disposal Program |