笔者最近在市里举办的一个劳动保护进修班讲课时,不少基层同志对有关生产性粉尘、车间中的有害物质的卫生标准提出询问。特别是由于改革工作,促进了广大农村乡镇工业的发展,他们在劳动生产中对防尘防毒知识的要求更为迫切,为了作好车间空气中有害物质的监测工作,现将“车间空气中有害物质的最高允许浓度”列表于下,供有关同志在工作中参考。(师敬) When I recently gave a lecture on labor protection refresher courses in the city, many grassroots comrades asked about hygiene standards concerning the production of dust and harmful substances in workshops. In particular, due to the reform work, which has promoted the development of industries in vast rural areas and townships, they have become more and more desirous of dust-proof and anti-virus knowledge in their work. In order to monitor the harmful substances in the air of the workshop, The maximum allowable concentration of substances "at the bottom for the relevant comrades in the work reference. (Teacher respect)