| Acronym | Meaning |
| MCSCO | Multiconfiguration Self-consistent Orbital |
| DQO | Data Quality Objectives |
| NIGMS | National Institute Of General Medical Sciences (NIH) |
| AWS | American Welding Society |
| RAO | Remedial Action Objective |
| ACME | Aquatic Cycling Of Mercury In The Everglades |
| PIPN | Pseudo Interpenetrating Polymer Network |
| FOGO | Floating Orbital Geometry Optimization |
| EFST | Electrodeposition Frequency Shift Titrimetry |
| DDT | Dichlorodiphenyltrichloroethane |