| Acronym | Meaning |
| IHSS | International Humic Substances Society |
| JCAHO | Joint Commission On Accreditation Of Healthcare Organizations |
| ELINCS | European List Of Notified Chemical Substances |
| POS | Points-on-a-sphere (repulsion Potential Model |
| SMOGSTOP | Statistical Model Of Ground-level Short Term Ozone Pollution |
| SVG | Scalable Vector Graphics |
| AIC | Air Information Center |
| IPAN | Imaging Passive-active Neutron |
| DCP | Dual Circular Polarization |
| CRDS | Chemical Reactions Documentation Service |