| Acronym | Meaning |
| ALA-O | Delta-aminolevulinic Acid Dehydrates |
| FAL | Frontier Airline |
| MASSCOMP | Massachusetts Computer Corporation |
| PRT | Platinum Resistance Thermometer |
| LSM | Local System Management |
| UQAM | Universite De Quebec A Montreal |
| ISOS | International Southern Ocean Study |
| ESDD | Earth Science Data Directory |
| WSO | Weather Service Office |
| AEN | Administrative Exception Note |