| Acronym | Meaning |
| WLA | Waste Load Allocation |
| UMTRCA | Uranium Mill Tailings Radiation Control Act |
| ERCP | Emergency Response Concept Plan |
| RLPPS | Reactive Low-pressure Plasma Spraying |
| HSC | High Conversion Soaker (cracking) [petroleum Viscosity-breaking] |
| OU | Odor Units |
| CH-CI | Core Hole Configuration Interaction |
| MDPE | Medium-density Polyethylene |
| ECDL | External-cavity Diode Laser |
| MWTA | Medical Waste Tracking Act |