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Occupational exposure to trichloramine and trihalomethanes. Adverse health effects among personnel in habilitation and rehabilitation swimming pools

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Publisert

  • 2018

Personnel in swimming pool facilities typically experience ocular, nasal, and respiratory symptoms due to water chlorination and consequent exposure to disinfection by-products in the air. The aim of the study was to investigate exposure to trichloramine and trihalomethanes (chloroform, bromodichloromethane, dibromochloromethane, and bromoform) from the perspective of adverse health effects on the personnel at Swedish habilitation and rehabilitation swimming pools. The study included 10 habilitation and rehabilitation swimming pool facilities in nine Swedish cities. The study population comprised 24 exposed swimming pool workers and 50 unexposed office workers. Personal and stationary measurements of trichloramine and trihalomethanes in air were performed at all the facilities. Questionnaires were distributed to exposed workers and referents. Spirometry, fraction of exhaled nitric oxide (FENO), and peak expiratory flow (PEF) were measured. Personal and stationary measurements yielded trichloramine levels of 1–76 µg/m3 (average: 19 µg/m3) and 1–140 µg/m3 (average: 23 µg/m3), respectively. A slightly higher, but not significant, prevalence of reported eye- and throat-related symptoms occurred among the exposed workers than among the referents. A significantly increased risk of at least one ocular symptom was attributed to trichloramine exposure above the median (20 µg/m3). Lung function (FVC and FEV1) was in the normal range according to...

Westerlund, Jessica; Bryngelsson, Ing-Liss; Löfstedt, Håkan; Eriksson, Kåre; Westberg, Håkan; Graff, Pål
AIHAJ - Journal of Occupational and Environmental Hygiene American Industrial Hygiene Assn., AIHAJ - Journal of Occupational and Environmental Hygiene
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