| Acronym | Meaning |
| REO | Rare Earth Oxide |
| PCI | Percutaneous Coronary Intervention |
| AACG | American Association For Crystal Growth |
| ACT | Activated Complex Theory |
| AUBF | Anaerobic Upflow Biofilter |
| SCI | Stabilized Criegee Intermediate(s) |
| THM | Traveling Heater Method |
| LLOQ | Lower Limit Of Quantitation |
| CEPPO | Chemical Emergency Preparedness And Prevention Office |
| NIBSC | National Institute For Biological Standards And Control |