| Acronym | Meaning |
| PHF | Periodic Hartree-Fock |
| ICPD | Inductively Coupled Plasma Deposition |
| RPL | Radio Photoluminescence |
| HRT | Hydraulic Retention Time |
| BAEP | Brainstem Auditory Evoked Potentials |
| SBMF | Slave-boson Mean Field (in Electronic-structure Calcns.) |
| LASTO | Linear Augmented Slater-type Orbital (for Electronic Structure) |
| RSC | Relative Source Contribution |
| CEAM | Center For Exposure Assessment Modeling |
| HHS | Health And Human Services Department |