进口废旧物品分拣场微生物气溶胶污染状况调查

INVESTIGATION ON CONTAMINATION OF MICROORGANISM AEROSOL IN SORTING SITES OF IMPORTED WASTE

目的了解进口废旧物品分拣场所气溶胶中微生物的污染状况。方法以六级筛孔撞击式采样器采样与培养分离鉴定方法,进行了现场监测。结果进口废旧物品分拣场所气溶胶中细菌总数和霉菌总数均高于其他场所。检出包括肺炎链球菌在内的30余种细菌。结论进口废旧物品分拣场所气溶胶中微生物污染超标,存在致病微生物,对从业人员存在感染的危险性。

Objective To investigate the microbiological contamination of bioaerosol released in sorting sites of import waste. Methods The sampling method by percussion sampler of six - level sieves and culture isolation and identification methods were used to do on - site monitoring. Results Total number of bacteria and fungi sampled in sorting sites were higher than that in control group. More than thirty kinds of bacteria including Streptococcus pneumoniae were detected in sorting sites. Conclusion The microbial contamination in atmospheric bioaerosol released in sorting sites of import waste is beyond the standard, and the pathogenic microorganisms exist. So the infection risks exist for employees.