| Acronym | Meaning |
| RMSEP | Root-mean-square Error Of Prediction |
| ITS | Internal Transcribed Spacer |
| PDECD | Pulsed Discharge Electron Capture Detector |
| BCKD | Branched-chain Alpha-ketoacid Dehydrogenase |
| NNDO | Neglect Of Nonbonded Differential Overlap |
| MAAC | Maximum Ambient Air Concentration |
| AIGER | American Industry Government Emissions Research Consortium |
| SPF | Specific Pathogen-free |
| MWEP | Monofilled Waste Extraction Procedure |
| URT | Upper Respiratory Tract |