| Acronym | Meaning |
| EPOCA | Environmental Project On Central America |
| SRC | Synchrotron Radiation Center |
| LDOS | Local Density Of States |
| WAPS | Waste Acceptance Preliminary Specification |
| MMI | Mucous Membrane Effects |
| PCGC | Parallel Column Gas Chromatography |
| IRRAS | Infrared Reflection Absorption Spectroscopy |
| PIES | Pollution Prevention Information Exchange System |
| XMA | X-ray Microanalysis |
| AEAPS | Auger-electron Appearance-potential Spectroscopy |