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Title: "Assessing Doses to Contaminated Wounds."

Abstract
In an operational setting, a special occupational skin dose limit for localized exposures is set at 500 mSv y-1. This dose is to be averaged over any 1 cm2 area of exposed skin, regardless of the actual area exposed, at the nominal depth of nominal depth 70 μm. This lecture addresses practical aspects of evaluating the extent, location, and quantity of radioactive material in and around a wound for the purposes of directing medical care rather than regulation-based record keeping. Sources of uncertainty associated with in-vivo measurements of wound activity, their impact on dosimetry and medical decision making, and techniques for accounting for these sources of error are also discussed. Cases involving contaminated injuries involving fission-activation products and transuranic radionuclides are reviewed to emphasize the unique aspects of the care and treatment of contaminated wounds.

Bio
Jason Davis is a health physicist with the Radiation Emergency Assistance Center/Training Site (REAC/TS) Medical Team. He is responsible for responding to calls for radiation emergency assistance, performing internal/external radiation dose assessments as part of medical response, development/delivery of REAC/TS continuing medical education (CME) materials, and assisting with HP integration of the REAC/TS Cytogenetic Biodosimetry Laboratory into radiation incident response.

With more than 17 years of experience in radiation protection, diagnostic medical physics, emergency response, and internal dosimetry, Davis’s primary focus at REAC/TS is the integration of health physics into the medical management of radiation events. He and the REAC/TS team provide multiple consultations each year as part of the REAC/TS 24/7 response service, providing practical guidance to health care professionals and concerned individuals worldwide. Prior to REAC/TS, Davis’s experience included reconstruction of doses for former radiation workers, radiological engineering and dosimetry oversight, and quality assurance and patient protection in diagnostic and therapeutic applications of radiation.

Davis is certified in the comprehensive practice of health physics by the American Board of Health Physics. He received a master of science in health physics from the University of Nevada, Las Vegas in 2008 and was awarded his doctorate in applied physics by Idaho State University in 2014. He is an active member of the Health Physics Society and is currently serving on the program committee, helping to organize the Society’s annual technical conference.

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