Profile: Sierra Radiation Dosimetry Service, Inc. specializes in radiation dosimetry and radiation protection. We offer x-ray badges, which is a technology that provide assessment of the dose and is designed for monitoring exposure from x-ray, gamma, beta & neutrons of known energy. Our badges measures dose at three tissue depths, which correspond to the deep, shallow and lens of the eye doses. Our thermo luminescent dosimeter (TLD) badge labels show the appropriate wear-position on the body and are color coded to differentiate between monitoring wear periods & to identify wear locations.