| Acronym | Meaning |
| LRAT | Long-range Atmospheric Transport |
| HSC | HAZMAT Spill Center |
| WGSATM | Working Group On The Statistical Aspects Of Trend Monitoring (ICES) |
| IESWTR | Interim Enhanced Surface Water Treatment Rule |
| HECD | Hall Electrolytic Conductivity Detector |
| 3A | Alumina Aluminide Alloys |
| SAW | Self-avoiding Walk [modeling] |
| LCFA | Long Chain Fatty Acid(s) |
| CCE | Charge Composition Explorer |
| AOIPS | Atmospheric And Oceanographic Information Processing System |