| Acronym | Meaning |
| DRIFT | Diffuse Reflectance IR Fourier Transform |
| PTSPGF | Perturbative-type Single-particle Green Function |
| EPACML | Environmental Protection Agency's Composite Landfill Model |
| MAGW | Momentum-averaged Gaussian-weighted (method In Calcns. Of Electron-momentum Distributions) |
| MESQUAC-MO | Mixed Electrostatic Quantum Chemical Calculation-MO |
| HVAC | Heating, Ventilating, Air-conditioning |
| PRA | Probabilistic Risk Assessment |
| EHC | Environmental Health Committee |
| AEM | Analytical Electron Microscopy |
| LIOAS | Laser-induced Optoacoustic Spectroscopy |