Personnel Film Monitoring in Islamic Republic of Iran Organization, Method, Results Siamak Borhan Azad Parsian Radiation Dosimetry Service, P.O. Box: 14396-64711, Tehran, Iran Abstract Since 2008 Parsian Radiation Dosimetry Services (PRDS) has been carrying out a centralized personnel monitoring service for x-ray and radioisotope laboratories and nuclear installations in Iran. A set of two films are used by PRDS for beta, gamma and x-ray radiation. The films are to be placed into a multi-filt