ISO/ASTM 51539:2013

Guide for use of radiation-sensitive indicators

ISO/ASTM 51539:2013 covers procedures for using radiation-sensitive indicators in radiation processing. These indicators may be labels, papers, inks or packaging materials which undergo a visual change when exposed to ionizing radiation. The purpose for using indicators is to determine visually whether or not a product has been irradiated, rather than to measure different dose levels.