| Acronym | Meaning |
| TNAA | Thermal Neutron Activation Analysis |
| NECTAR | National Electronic Clinical Trials And Research |
| ICR | Information Collection Rule |
| RAAS | Renin-angiotensin-aldosterone System |
| APS | Advanced Photon Source |
| DOP | Dissolved Organic Phosphorus |
| AESOP | Automated Electronic System For Ocean Pollution |
| RBCA | Risk-based Corrective Action |
| PMIRRAS | Polarization Modulation Infrared Reflection Absorption Spectroscopy |
| TEAM | Total Exposure Assessment Methodology |