Specifies requirements for badges, consisting of photographic film packets, a combination of external filters and film holders in such form as to provide a lightweight radiation dosemeter, used for monitoring the dosage of ionizing radiation received by personnel. Details are given of the film holder, the filters and the monitoring film and film packet. Appendices are included covering tests for mechanical strength of attachment devices, tests for toughness of holder and adhesive and notes on the referencing of film packets and their positioning in the film holder.Cross References:BS 350BS 25852L 72