| Acronym | Meaning |
| SCC-IEH | Self-consistent Charge-iterative Extended Hueckel |
| TRELIBS | Time Resolved Laser Induced Breakdown Spectroscopy |
| SPC | Statistical Process Control |
| IAB | Information Access Branch |
| LTDU | Land Treatment Demonstration Unit |
| ETP | Environmental Tracking Procedure |
| PRISM | Parameter-related Internal Standard Method |
| STMAS | Satellite Transition Magic-angle-spinning |
| TICT | Twisted Intramolecular Charge Transfer |
| POCP | Photochem. Ozone Creation Potential |