| Acronym | Meaning |
| UGLCC | Upper Great Lakes Connecting Channels |
| NARSTO | North American Research Strategy For Tropospheric Ozone |
| NYSAS | New York Summer Aerosol Study |
| CRDS | Chemical Reactions Documentation Service |
| AACC | American Association For Clinical Chemistry |
| HTU | Height Of Transfer Unit (in Packed Tower Aeration System) |
| IGWMC | International Ground Water Modeling Center |
| SXRD | Surface X-ray Diffraction |
| FWA | Fluorescent Whitening Agent |
| BICFET | Bipolar Inversion Channel Field-effect Transistor |