| Acronym | Meaning |
| PAB | Particle Associated Bacteria |
| THFA | Target Hartree-Fock Approximation |
| BLTM | Branched Lagrangian Transport [model] |
| BGS | Below Ground Surface |
| MOST | Metal Oxide Semiconductor Transistor |
| RD/RA | Remedial Design/Remedial Action |
| BDAT | Best Demonstrated Available Technology |
| HDC | Hydrodynamic Chromatography |
| GDP | Guanosine 5'-diphosphate |
| ANEP | Association Of Northwest Environmental Professionals |