| Acronym | Meaning |
| CELIA | Competitive Enzyme-Linked Immunoassay |
| PDF | Probability-distribution Function |
| NTSB | National Transportation Safety Board |
| NBS | Nuclear Backscattering Spectroscopy |
| NVP | Newton Variational Principle |
| GPHS | General Purpose Heat Source |
| GOME | Global Ozone Monitoring Experiment |
| HWGTF | Hazardous Waste Groundwater Test Facility |
| MLCC | Multilayer Ceramic Chip Capacitors |
| PWSA | Ports And Waterways Safety Act |