| Acronym | Meaning |
| FAD | Failure Assessment Diagram |
| GLWQA | Great Lakes Water Quality Agreement |
| TMAH | Tetramethylammonium Hydroxide |
| LSDSIC | Local-spin-density Self-interaction-correction Approxn. (in Total Energy Calcns. For Atoms) |
| DIAL | Differential Absorption Lidar (laser Radar Sensing) |
| FOLIBS | Fiber Optic Laser Induced Breakdown Spectroscopy |
| VOFF | Valence Orbital Force Field |
| DQO | Data Quality Objectives |
| FPEIS | Fine Particulate Emissions Information System |
| CTGF | Connective Tissue Growth Factor |