| Acronym | Meaning |
| IWMIS | INEL Industrial Waste Management Information System |
| RPO | Resonant Periodic Orbit (on Potential Energy Surface In At. Or Mol. Scattering) |
| AQCC | Averaged Quadratic Coupled-cluster |
| TCD | Thermal Conductivity Detector (for Gas Chromatography) |
| PHAS | Pollution Hazard Assessment System |
| EGRIS | Emissive Gamma-ray Imaging And Spectroscopy |
| CTCP | Clinical Toxicology Of Commercial Products |
| IAWPRC | International Association For Water Pollution Research And Control |
| IABO | International Association Of Biological Oceanography (ICSU) |
| PAGE | Policy Analysis Of The Greenhouse Effect |