| Acronym | Meaning |
| EHCO | Extended Hueckel Crystal Orbital |
| ACIL | American Council Of Independent Laboratories |
| ANFO | Ammonium Nitrate Fuel Oil Explosive |
| TDR | Time Domain Reflectometer |
| MERT | Modified Effective-range Theory (for Electron-mol. Scattering) |
| XSW | X-ray Standing Wave |
| MOSQITO | Modeling Of Stormwater Quality Including Tanks And Overflows |
| FETI | Fire, Explosion And Toxicity Index |
| ACEEE | American Council For An Energy Efficient Economy |
| FMD | Foot And Mouth Disease |