Analysis of personal dose monitoring results of industrial radiation workers in Jiangsu province from 2010 to 2018.

Abstract

This study investigated occupational external exposure levels and trends among industrial radiation workers in Jiangsu Province during 2010-2018. Utilizing thermoluminescence dosimetry for personal dose monitoring and Kruskal-Wallis test for inter-group comparisons, we analyzed radiation exposure across occupational categories. Results revealed an annual effective dose range of 0.16-0.58 mSv (mean: 0.26 mSv), exhibiting an initial increase followed by subsequent decline. While all values remained significantly below the national limit of 20 mSv, significant inter-category differences were observed (H = 35.282, P < 0.05). Industrial flaw detection workers demonstrated particularly elevated exposure levels, with some cases exceeding annual limits. These findings highlight the necessity for reinforced protective measures, enhanced monitoring protocols, and comprehensive training initiatives to mitigate occupational radiation risks in this vulnerable subgroup.