| Acronym | Meaning |
| HARS | High-Altitude Route Structure Workstation |
| FMFIA | Federal Managers Financial Integrity Act |
| IAV | International Association Of Volcanology |
| PHOXA | Photochemical Oxidant And Acid Deposition Model Application |
| NIST | National Institute Of Standards And Technology |
| CCR | Commitment |
| APD | Advanced Planning Division |
| W-Z RELATIONSHIP | W = Precipitation Content |
| ESA | Exploratory Shaft Facility |
| AMEX | Australian Monsoon EXperiment |