| Acronym | Meaning |
| CRDA | Cooperative Research And Development Agreement |
| EQTC | Environmental Quality Target Concentration |
| CFU | Colony Forming Unit (for Bacteria Counting In Water Disinfection) |
| PRISM | Parameter-related Internal Standard Method |
| STRAT | Stratospheric Tracers Of Atmospheric Transport |
| AFRL | Air Force Research Laboratory |
| NACCHO | National Association Of County And City Health Officials |
| APCA | Air Pollution Control Association |
| LZC | Liquid Zone Control (in Alloy Processing) |
| TEC | Thermal Expansion Coefficient |