| Acronym | Meaning |
| AQCC | Air Quality Control Center |
| NORA | National Occupational Research Agenda |
| RME | Reduced Matrix Equations |
| SWE | Snowpack Water Equivalent |
| TRIM | Transport Of Ions In Matter |
| PRTD | Proportional Residence Time Distribution (of Liquid Streams In Equalization Basins In WWT) |
| LDS | Leak Detection System |
| SLG | Strictly Localized Geminal |
| IFA | Immunofluorescence Assay |
| IRC | Intrinsic Reaction Coordinate |