| Acronym | Meaning |
| AGNPS | Agricultural Non-point Source Pollution |
| NPOC | Nonpurgeable Organic Carbon |
| HNGF | Human Nerve Growth Factor |
| ALICE | Acid-labile Isotope-coded Extractants |
| ERG | Emergency Response Guidebook |
| CRC | Combined Residual Chlorine |
| ECR | Eriochrome Cyanine Rpar |
| HWSFC | Hazardous Waste Superfund Collection |
| CSOV | Constrained Space Orbital Variation |
| CP-LSDA | Car-Parrinello Local Spin Density Functional |