北京市环卫工人作业环境空气细菌污染调查

Investigation on Air Bacteria Contamination in Operation Areas of Environmental Health WorKers in Beijing

本文调查了北京市垃圾转运场、医院内垃圾站、平房居民垃圾站、楼旁居民垃圾站、清洁车辆修配厂等各种环卫工人作业环境的空气细菌污染状况。结果表明环卫工人作业环境的空气细菌污染是严重的(>4000个/m^3)。大多以春季空气细菌数最高,垃圾转运场夏季细菌数最高,医院内垃圾站四季中无明显差异。

In this paper the air bacteria contamination was investigated in various operation areas of environmental health workers,such as refuse transferring field,refuse dumps in hospital,refuse dumps for communities of single-storey houses and buildings of two or more storeys, repair and spare parts workshop for cleaning cars. The results showed that the air bacteria contamination was serious (all>4000/m^3) . Bacteria numbers were the highest in spring in most areas,while in refuse transferring field the bacteria number was the highest in summer. There was no significant seasonal variation in the area of refuse dumps in hospital.