切尔诺贝利事故释放的^(131)I所致牧草、奶类的污染水平及其变化规律

Levels and variations of contamination in forage grass and milks following the 131I release from Chernobyl accident

本文报道了苏联切尔诺贝利核电站事故释放的^(131)I对乌鲁木齐地区牧草、奶类的污染水平及动态变化规律。经估算,^(131)I经奶类所致成人(1.2μSv)和婴儿(120μSv)甲状腺最大待积剂量当量远低于我国放射卫生防护基本标准规定的年剂量限值,因此,对居民健康不会产生影响。

The levels and variation of 131I contamination in forage grass and milks in Urumqi area following the Chernobyl nuclear power plant accident are reported.The estimated thyroid committed dose equivalents for adults (1.2γSv) and for infants (120γSv) were far lower than the limit set by the Basic -Health Standards for Radiological Protection in China, thus it produced no harmful effects toward the health of inhabitants.