| Acronym | Meaning |
![](file.png) | REL | Recommended Exposure Limit(s) |
![](file.png) | I-TEF | International Toxicity Equvalency Factor |
![](file.png) | OSIRIS | Optical Spectrograph And IR Imaging System |
![](file.png) | SINDO | Symmetrically Orthogonalized Intermediate Neglect Of Differential Overlap |
![](file.png) | PPA | Pollution Prevention Act (of 1990) |
![](file.png) | LDS | Leak Detection System |
![](file.png) | SRCI | Single-reference Configuration Interaction |
![](file.png) | IIRF | Infinite Impulse Response Filter |
![](file.png) | LBM | Laser Beam Machining |
![](file.png) | MEPED | Medium Energy Proton & Electron Detector |