| Acronym | Meaning |
| RALLS | Right-angle Laser Light Scattering |
| ELEED | Elastic Low Energy Electron Diffraction |
| MCQDA | Multichannel Quantum Defect Analysis |
| ATLEED | Automated Tensor Low-energy Electron Diffraction |
| TNAA | Thermal Neutron Activation Analysis |
| AHERA | Asbestos Hazard Emergency Response Act |
| CELSS | Controlled Ecological Life Support System |
| HAZWOPER | Hazardous Waste Operations And Emergency Response Regulations |
| SGPR | Specific Gas Production Rate |
| EGSB | Expanded Granular Sludge Bed |