本文对石油沥青生产环境的劳动卫生学调查表明，该作业环境的各项毒物浓度均不超过国家卫生标准。其中二氧化硫、沥青烟、硫化氢含量低于检测限，氧化氮、苯并（ａ）芘浓度也远远低于卫生标准或参考标准，工人的胆固醇、甘油三酯、姐妹染色单体互换均高于对照组。 In this paper, the labor hygiene survey of petroleum asphalt production environment shows that the toxic concentrations of the operating environment do not exceed the national health standards. Among them, sulfur dioxide, pitch smoke and hydrogen sulfide content were lower than the detection limit, and the concentrations of nitrogen oxide and benzo (a) pyrene were much lower than those of health standards or reference standards. Workers’ cholesterol, triglycerides and sister chromatid exchange Higher than the control group.