| Acronym | Meaning |
| DRP | Deutsches Reichpatent |
| GADD | Growth Arrest And DNA Damage |
| UKAS | United Kingdom Accreditation Service |
| CMBR | Cosmic Microwave Background Radiation |
| IPC | Ion-pair Chromatography |
| AIRS | Atmospheric Infrared Sounder |
| PIPECO | Photoion-photoelectron Coincidence Spectroscopy |
| RDI | Reference Daily Intake |
| FDA | Food And Drug Administration |
| CNAEL | Committee On National Accreditation Of Environmental Laboratories (US EPA) |