| Acronym | Meaning |
| CERT | Const. Extension Rate Tensile |
| CCTFA | Canadian Cosmetic, Toiletry And Fragrance Association |
| PIPECO | Photoion-photoelectron Coincidence Spectroscopy |
| EORCU | European Ozone Research Coordinating Unit |
| DON | Dissolved Organic Nitrogen |
| LSDC | Local Spin Density Correlation (functional) |
| HPMS | Highway Performance Monitoring System |
| CRTA | Controlled Rate Thermal Analysis |
| HLBR | Required Hydrophilic-lipophilic Balance (of Surfactants In Emulsifiers) |
| EHC | Environmental Health Committee |