作者对某厂48名接触二氯甲烷的职工进行了外周血淋巴细胞微核率的检测。48名接触工人中,男31名,女17名,年龄27～46岁,接触工龄1～25年(平均14.7年)。生产岗位空气中二氯甲烷浓度200～400毫克/立方米。对照组为该厂职工子弟学校51名教师。取静脉血0.5毫升,肝素抗凝,以3% The author of a plant 48 contact with dichloromethane workers conducted micronucleus test of peripheral blood lymphocytes. Of the 48 exposed workers, 31 were males and 17 were females, aged 27 to 46 years, with a working age of 1 to 25 years (an average of 14.7 years). Dichloromethane production positions in the air concentration of 200 to 400 mg / cubic meter. Control group for the factory workers and children schools 51 teachers. Take venous blood 0.5 ml, heparin anticoagulant, with 3%