TY - JOUR TI - Analysis of chemical and biological risk effects to personnel exposed to ionizing radiation hospital example AU - Pisken Emel AU - Simsek Suleyman JN - Thermal Science PY - 2025 VL - 29 IS - 4 SP - 2945 EP - 2953 PT - Article AB - The universe of this study are the doctors, technicians and assistants working in two state and two private hospitals operating in Van and exposed to the risk of ionizing radiation. After the difference analysis, it was determined that there is a cause-effect relationship between the ventilation status in the workplace regarding radiation and the occupation health and safety performance of the businesses according to the radiation knowledge of the employees. The purpose of this article is to analyze the effects of ventilation systems and radiation knowledge of employees on the performance of occupation health and safety activities implemented in businesses, regarding radiation risk in hospitals in the relevant region. In this context, it has been determined that having ventilation facilities for employees in businesses and having employees informed about radiation increases occupation health and safety performance.