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A case study of airborne culturable microorganisms in a poultry slaughterhouse in Styria, Austria

机译：奥地利施蒂里亚州一家禽屠宰场中的空气传播可培养微生物的案例研究

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摘要

According to Council Directive 90/679/EEC on the protection of workers from risks related to exposure to biological agents at work, nature, degree and duration of workers' exposure to microorganisms must be determined. This directive has already been implemented in waste and wastewater management. The present case study investigates concentration and composition of microorganisms in a poultry slaughterhouse in the State of Styria, Austria. From June to November 2002, measurements were conducted at the sampling sites 'moving rail' and 'gall bladder separation' using the Andersen six stage viable cascade impactor and the SKC BioSampler. The results of this study were compared with other previous studies which were carried out using the same device (ACFM) and the same measurement methods. At the processing area of the 'moving rail', the median concentration of airborne mesophilic bacteria was 1.7 x 10~6 CFU/m~3 which is 8000 times higher than the background concentration of residential areas (approx. 210 CFU/m~3). The airborne microorganisms concentration was 1.7 x 10~4 CFU/m~3 at composting plants which is 100 times lower than at a workplace of a poultry slaughterhouse. The study shows that poultry slaughterhouse employees are exposed to high concentrations of airborne microorganisms throughout the entire work time without using a respiratory protective device. For the protection of employees against airborne biological agents, relevant measures should be introduced to this field of work.
机译：根据理事会指令90/679 / EEC，保护工人免受与工作中生物制剂的接触有关的风险，必须确定工人接触微生物的性质，程度和持续时间。该指令已在废物和废水管理中实施。本案例研究调查了奥地利施蒂利亚州一家禽屠宰场中微生物的浓度和组成。从2002年6月至2002年11月，使用安德森六级可行级联撞击器和SKC BioSampler在采样点“移动轨道”和“胆囊分离”处进行测量。将该研究结果与使用相同设备（ACFM）和相同测量方法进行的其他先前研究进行比较。在“移动轨道”的加工区域，空气传播的嗜温细菌的中位浓度为1.7 x 10〜6 CFU / m〜3，比居住区的背景浓度（约210 CFU / m〜3）高8000倍。 ）。堆肥厂的空气中微生物浓度为1.7 x 10〜4 CFU / m〜3，比家禽屠宰场的工作场所低100倍。研究表明，家禽屠宰场的员工在整个工作时间内都暴露于高浓度的空气传播微生物，而没有使用呼吸保护装置。为了保护雇员免受空中生物制剂的侵害，应在这一工作领域采取相关措施。

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