| Acronym | Meaning |
| EDXD | Energy Dispersive X-ray Diffraction |
| TCDW1 | Target Continuum Distorted-wave 1st-order (for At. Collisions) |
| GWRTAC | Groundwater Remediation Technologies Analysis Center |
| DHF | Decoupled Hartree-Fock |
| HTCGC | High Temperature Capillary Gas Chromatography |
| NHOMO | Next Highest Occupied Molecular Orbital |
| ALABC | Advanced Lead Acid Battery Consortium |
| OHEA | Office Of Health And Environmental Assessment (USEPA) |
| PBIRG | Pharmaceutical Business Intelligence And Research Gro |
| CMAQ | Community Multiscale Air Quality |