More photo examples of this category on REMM.Geiger-Muller (G-M) detectors (see photo above), this category also includes some ion chambers, and scintillator-based handheld meters.HHS is not responsible for the contents of any 'off-site' Web page referenced on this site. Department of Health and Human Services or any of its agencies. Reference on this page to any specific commercial product, process, service, manufacturer, or company does NOT constitute its endorsement or recommendation by the U.S. Countermeasures - Use of Myeloid CytokinesĨ Categories of Radiation Dosimeters for Dose and Exposure Monitoring and Worker Safety 8 Categories of Radiation Dosimeters for Dose and Exposure Monitoring and Worker Safety.Template for Hospital Orders (Adults/Children).