| Acronym | Meaning |
| IRP | Internal Reflection Photolysis |
| CHRM | Characteristic Remanent Magnetization |
| DRCR | Dynamic Recrystallization Controlled Rolling |
| CIAP | Climatic Implications Of Atmospheric Pollution |
| HCS | Heliospheric Current Sheet |
| ENDOR | Electron Nuclear Double Resonance |
| EGDN | Ethylene Glycol Dinitrate |
| INAA | Instrumental Neutron Activation Analysis |
| CSI | Chemical Substances Inventory |
| IUAPPA | International Union Of Air Pollution Prevention Associations |