| Acronym | Meaning |
| RFGD | Radio-frequency Glow Discharge |
| IRI | Industrial Research Institute |
| ERL | Environmental Research Laboratory |
| APMI | American Powder Metallurgy Institute |
| DRUM | Davis Rotating-drum Universal-size-cut Monitoring [cascade Impactor] Sampler |
| STEM | Scaled Taylor Exponential Model |
| TDA | Tamm-Dancoff Approximation |
| NGWA | National Ground Water Association |
| MAPLE | Madelung Part Of Lattice Energy |
| ELIFA | Enzyme-linked Immunofiltration Assay |