| Acronym | Meaning |
| LT1ESWTR | Long Term 1 Enhanced Surface Water Treatment Rule |
| VPA | Varied Portions Approach |
| PEC | Predicted Environmental Concentration |
| ZPC | Zero Point Of Charge |
| TMA | Thermomechanical Analysis |
| CCN | Cloud Condensation Nucleus |
| GRIN | Graded Index |
| IRCWD | International Reference Center For Waste Disposal |
| FEGO | Floating Ellipsoidal Gaussian Orbital |
| CWF | Coal-water Fuel |