| Acronym | Meaning |
| ARXPS | Angular Resolved X-ray Photoelectron Spectroscopy |
| CASSCF | Complete Active Space-self Consistent Field |
| DE | Destruction Efficiency |
| IMDL | Interlaboratory Method Detection Limits |
| IU | International Unit |
| VLF | Very Low Frequency (radiowaves) |
| NPDOC | Non-purgeable Dissolved Organic Carbon |
| TVS | Triangular Voltage Sweep |
| NCEA | National Center For Environmental Assessment |
| STREAM | Stream Transport And Agricultural Runoff Of Pesticides For Exposure Assessment Methodology |