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  • Title: [Immunological reactions and health complaints in biological refuse personnel and composting by biological aerosol exposure].
    Author: Bünger J, Antlauf-Lammers M, Westphal G, Müller M, Hallier E.
    Journal: Schriftenr Ver Wasser Boden Lufthyg; 1999; 104():141-8. PubMed ID: 10803221.
    Abstract:
    Employees in waste treatment industries are exposed to high levels of airborne microorganisms. Concentrations of 10(7) cfu/m3 air were measured in composting facilities, whereas exposures of bio-waste collectors were two orders of magnitude lower with exposure peaks up to 10(6) cfu/m3 air. These exposures were compared to specific antibody levels against molds and actinomycetes, work related health complaints, and diseases of the workers. 72 bio-waste collectors and 77 compost workers were examined and interviewed for work related symptoms, current occupational exposures, smoking habits, and exposures from other sources (farming, bird breeding, gardening) by physicians specialized in occupational medicine, using a standardized protocol. Levels of specific IgG antibodies to molds and actinomycetes occurring regularly at these workplaces were determined as biomarkers of exposure. The exposure data from the workplaces indicate a higher exposure of compost workers compared to bio-waste collectors. This corresponds with significantly increased health complaints of the upper airways and the skin and higher concentrations of specific antibodies against molds and actinomycetes in the compost workers. Atopic diseases were underrepresented in the compost workers compared to bio-waste collectors and population based data, indicating a healthy worker effect in this group. Occupational diseases from airborne microorganisms eligible for insurance compensation were observed in waste treatment facilities. More detailed studies are needed for exact assessment of health risks of workers in these industries.
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