石油沥青(烟)职业危害、毒性评价和卫生标准研究

A study on occupational hazard and safety evaluation and hygienic standard for petroleum asphalt fume

目的研究制订车间空气中石油沥青(烟)卫生标准。方法参照《车间空气中工业毒物卫生标准研究方法指南》的原则要求,充分利用国内外现有资料,以现场劳动卫生学和职业流行病学调查为主,适当补充毒理学实验研究内容。结果根据国内外文献资料结合现场调查以及毒理学实验研究,制订了石油沥青(烟)卫生标准。结论石油沥青(烟)最高容许浓度为8 mg/m3,时间加权平均容许浓度为5 mg/m3。

Objective To study and work out hygienic standard of petroleum asphalt fume in the air of workplace. Methods Research guide of hygienic standard for industrial toxicant in the air of workplace was referred to, and available information at home and abroad was used, and some toxicologic experiments were replenished. Results According to the information at home and abroad and the research and the study result of toxicologic experiments, hygienic standard was drawn. Conclusion The maximum allowable concentration（MAC） for petroleum asphalt fume is 8 mg/m^3 and the time-weight average（TWA） is 5 mg/m^3 .