| Acronym | Meaning |
| TSD | Treatment, Storage, Or Disposal |
| UHMPE | Ultra High Modulus Polyethylene |
| FY | Fiscal Year |
| MPI | Mass Psychogenic Illness (in Indoor Air Pollution) |
| CCPA | Cemented Carbide Producers Association |
| MC-TD-SCF | Multiconfiguration-time Dependent-self-consistent Field |
| VSWR | Voltage Standing Wave Ratio |
| PCT | Patent Cooperation Treaty |
| NELAC | National Environmental Laboratory Accreditation Conference |
| DTGF | Double-time Green Function |