| Acronym | Meaning |
| ELLAP | Environmental Lead Laboratory Accreditation Program |
| TBPO | Terbutylperoctoate |
| DQ | Drawing Quality |
| EHMO | Extended Hueckel Molecular Orbital |
| IAEG | International Association Of Engineering Geology |
| CDPT | Constant Denominator Perturbation Theory |
| ACSL | Advanced Continuous Simulation Language |
| HAN | Heavy Aromatic Naphtha |
| DVR | Discrete Variable Representation (in Wave Function Calcn.) |
| MC-ICPMS | Multiple-collector Inductively Coupled Plasma-mass Spectrometry |