| Acronym | Meaning |
| PMA | Phorbol Myristate Acetate |
| SCRAM | EPA Support Center For Regulatory Air Models |
| FMO | Floating Molecular Orbital |
| LDS | Leak Detection System |
| SBE | Starch Branching Enzyme |
| CEC | Cation Exchange Capacity |
| ECSPM | Electrochemical Scanning Probe Microscopy |
| ICU | Intensive Care Unit |
| DIDA | Direct Isotope Dilution Analysis |
| PIF | Photochemically-induced Fluorescence |