| Acronym | Meaning |
| POP | Persistent Organic Pollutant |
| SANO | Symmetry-adapted Natural Orbital |
| CORMIX | Cornell Mixing Zone Model |
| CAPTEX | Cross-Appalachian Tracer Experiment |
| XCC | Expectation-value Coupled-cluster (in Correlation Energies And Electronic Properties Of Many-electron Systems Calcns.) |
| PVC | Pigment Volume Concentration |
| DMPP | 1,1-dimethyl-4-phenylpiperazinium Iodide |
| CPA | Coupled-pair Approximation |
| DQO | Data Quality Objectives |
| ARCS | Alternative Remedial Contracting Strategy (US EPA) |