| Acronym | Meaning |
| DTRC | David Taylor Research Center |
| UN | United Nations |
| GWPA | Ground Water Protection Act |
| NLDS | National Lightning Detection System |
| GSF | Gross Square Feet |
| ITR | Institute Technical Reports |
| ADC | Authorized Derivative Classifier |
| ESSL | Earth & Sun Systems Laboratory (formerly ATD) |
| ALPAL | Parallel Program Developed At LLNL |
| ASTEX/MAGE | Atlantic Stratocumulus Transition Experiment/Marine Aerosol And Gas Exchange |