| Acronym | Meaning |
| GCL | Geosynthetic Clay Liner |
| CAMU | Corrective Action Management Unit |
| TMO | Truncated Molecular Orbital |
| CCPD | Charge-coupled Photodiode Device |
| SINDO/F | SINDO Free Of Empirical Parameters |
| ISC | Industrial Source Complex |
| REACCS | Reaction Access System |
| PDF | Probability-distribution Function |
| CBI | Confidential Business Information |
| IMPEACH-MBC | Improved Performance Accordion Heteronuclear Multiple-bond Correlation |