| Acronym | Meaning |
| ATTF | Air Toxics Task Force |
| PBC | Primary Biliary Cirrhosis |
| DEM | Discrete Element Method |
| QAS | Quality Assurance Standard |
| LPG | Liquefied Petroleum Gas |
| ECTDMS | Electrochemical Thermal Desorption Mass Spectroscopy |
| ASE | Accelerated Solvent Extraction |
| BET | Brunauer-Emmett-Teller (isotherm Equation) |
| ICEAS | Intermittent Cycle Extended Aeration System (activated Sludge) |
| RATM | Renormalized Average T-matrix (for D.-of-states Calcns.) |