| Acronym | Meaning |
| PIRANHA | Pesticide And Industrial Chemical Risk Analysis And Hazard Assessment |
| MCM | Multiconfigurational (variation Of) Moments (for Mo Correlation Diagrams Calcn.) |
| SPT | Standard Penetration Test |
| USBM | US Bureau Of Mines |
| AFPR | Alliance Of Foam Packaging Recyclers |
| XSW | X-ray Standing Wave |
| MESQUAC-MO | Mixed Electrostatic Quantum Chemical Calculation-MO |
| ICRP | International Commission On Radiological Protection |
| DRF | Dose Reduction Factor |
| HCO | Heavy Cycle Oil |