| Acronym | Meaning |
| CAP | Capacity Assurance Plan |
| TMC | Transition Metal Complex |
| DIET | Desorption Induced By Electronic Transitions |
| AGNPS | Agricultural Non-point Source Pollution |
| FR | Federal Register |
| CEEL | Community Emergency Exposure Level |
| GO | Gaussian Overlap (approxn. In Mol. Calcns.) |
| TAPPI | Technical Association Of The Pulp And Paper Industry |
| QFAA | Quartz Furnace Atomic Absorption |
| STECS | Solar Thermal Electric Conversion Systems |