| Acronym | Meaning |
| TPQ | Threshold Planning Quantity |
| BDT | Best Demonstrated Technology |
| SIM | Selected Ion Monitoring |
| UNFCCC | United Nations Framework Convention On Climate Change |
| MOMO | Maximum Overlap Molecular Orbital |
| UNECE | United Nations Economic Commission For Europe |
| RFB | Recycle Fluidized-bed |
| FNOC | Fleet Numerical Oceanography Center (USA Navy) |
| FMF | Frozen Molecular Fragment (method In Calcn. Of Intermol. Potentials And Charge Distributions) |
| RCNDO/S | Rydberg CNDO/screened |