| Acronym | Meaning |
| NASQUAN | National Stream Water Quality Accounting Network |
| LOEL | Lowest-Observed-Effect Level |
| WHO | World Health Organization |
| AIEMP | Ab Initio Embedding Model Potential |
| DMCC | Dimethylcarbamyl Chloride |
| IRIS | Integrated Risk Information System |
| RTPM | Real-time Polarization Modulation |
| TC/MS | Thermal Chromatography/mass Spectrometry |
| BK | Brinkman-Kramers (approxn. In Ion-mol. Collision Quantum Calcn.) |
| BAP | Bioavailable Phosphorus |