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Assessment of microbiological contamination in the work environments of museums, archives and libraries

机译：评估博物馆，档案馆和图书馆工作环境中的微生物污染

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Museums, archives and libraries have large working environments. The goal of this study was to determine microbial contamination in these work places and estimate the influence of microclimatic parameters and total dust content on microbial contamination. In addition, research included evaluation of ergosterol concentration and fungal bioaerosol particle size distribution. Numbers of micro-organisms in the air and on the surfaces in museums were higher (2.1 x 10(2)-7.0 x 10(3) cfu/m(3) and 1.4 x 10(2)-1.7 x 10(4) cfu/100 cm(2), respectively) than in archives and libraries (3.2 x 10(2)-7.2 x 10(2) cfu/m(3) and 8.4 x 10(2)-8.8 x 10(2) cfu/100 cm(2), respectively). The numbers of micro-organisms detected in the tested museums, archives and libraries did not exceed occupational exposure limits proposed by Polish Committee for the Highest Permissible Concentrations and Intensities of Noxious Agents at the Workplace. The concentrations of respirable and suspended dust in museum storerooms were 2-4 times higher than the WHO-recommended limits. We found a correlation between microclimatic conditions and numbers of micro-organisms in the air in the tested working environments. In addition, a correlation was also found between ergosterol concentration and the number of fungi in the air. Fungi were the dominant micro-organisms in the working environments tested. Particles within the dominant fractions of culturable fungal aerosols sampled from museum storerooms had aerodynamic diameters between 1.1 and 2.1 A mu m.
机译：博物馆，档案馆和图书馆的工作环境很大。这项研究的目的是确定这些工作场所中的微生物污染，并估算微气候参数和总粉尘含量对微生物污染的影响。此外，研究包括麦角固醇浓度和真菌生物气溶胶粒径分布的评估。博物馆中空气中和表面上的微生物数量更高（2.1 x 10（2）-7.0 x 10（3）cfu / m（3）和1.4 x 10（2）-1.7 x 10（4） cfu / 100 cm（2），分别比档案库和图书馆中的（3.2 x 10（2）-7.2 x 10（2）cfu / m（3）和8.4 x 10（2）-8.8 x 10（2）cfu / 100 cm（2））。在经过测试的博物馆，档案馆和图书馆中检测到的微生物数量未超过波兰工作场所有害物质的最高允许浓度和强度委员会提议的职业接触限值。博物馆储藏室中的可吸入和悬浮粉尘浓度比世界卫生组织建议的限值高2-4倍。我们在测试的工作环境中发现了微气候条件与空气中微生物数量之间的相关性。此外，麦角固醇浓度与空气中真菌数量之间也存在相关性。在测试的工作环境中，真菌是主要的微生物。从博物馆储藏室取样的可培养真菌气溶胶主要组分中的颗粒的空气动力学直径在1.1至2.1 Aμm之间。

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