| Acronym | Meaning |
| NRD | Natural Resource Damage |
| STA | Single-transition Approximation |
| LTDA | Low Temperature Die Attach [adhesive] |
| TEEL | Temporary Emergency Exposure Limit |
| FCS | Fluorescence Correlation Spectroscopy |
| ETA | Eigenstructure Tracking Analysis |
| GRI | Geosynthetics Research Institute (Drexel University |
| ASEMP | Active Sites Environmental Monitoring Program |
| PO-DVR-REV | Potential Optimized-discrete Variable Representation-ray Eigenvector |
| AAR | Accumulation-area Ratio (for Glaciers) |