| Acronym | Meaning |
| QSI | Quantum Statistical Interference |
| NESHAPS | National Emission Standards For Hazardous Air Pollutants |
| NWQMC | National Water Quality Monitoring Council |
| APTIC | Air Pollution Technical Information Center |
| MSA | Mean Spherical Approxn. |
| SHE | Standard Hydrogen Electrode |
| NDCEE | National Defense Center For Environmental Excellence |
| LSD-GX-SIC | LSD-GX-with Generalized Exchange-self-interaction Corrected |
| OSCAR | Oxidn. And Scavenging Characteristics Of April Rains |
| MSSA | Methicillin-susceptible Staphylococcus Aureus |