Field Trial of a System to Obtain Data on Population Exposure to X-Rays

Abstract

A system to obtain data on population exposure to x rays included a household interview survey followed by a mail questionnaire to x-ray facilities. Separate report forms were used for medical and dental x-ray examinations. Film packs were designed and used to test the reliability of information on diagnostic radiographic units related to machine output, beam quality, size, and angulation. Results are reported on a field trial of the system in Berks County, Penna. This site had the desired urban-rural and socioeconomic characteristics. It was concluded that the methods, procedures, and forms used are appropriate for deriving estimates of population exposure to this source of radiation and for obtaining data that are compatible with current research in dose model development. (C.H.)