| Acronym | Meaning |
| IAA | Indole-3-acetic Acid |
| DPCSV | Differential Pulse Cathodic Stripping Voltammetry |
| SCRI | Steel Can Recycling Institute |
| IAPA | Independent Asymptotic Pair Approxn. (in Electronic Structure) |
| GISPRI | Global Industrial And Social Progress Institute (Japan) |
| NTS | Nevada Test Site |
| NCCLS | National Committee For Clinical Laboratory Standards |
| CCSF | Central Chemical Storage Facility |
| LTTS | Low-Temperature Thermal Separation (for Waste Soil Treatment) |
| NPSSMO | Nonpaired Spin Spatial Molecular Orbital |