I've heard that the NCRP is drafting an update for NCRP49. Does anyone know when it will be released? Regards Alex Zapantis Radiation Safety Officer Queensland University of Technology Health & Safety Section Locked Bag No.2 Red Hill Qld 4059 AUSTRALIA Ph : 61 7 864 3566 fax : 61 7 864 3993 email : a.zapantis@qut.edu.au