Health Status of Funeral Service Workers Exposed to Formaldehyde

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Abstract
A study of 84 funeral service workers and 38 control subjects in Toronto, Canada, revealed that the embalmers reported chronic bronchitis, dyspnea, and nasal, eye, and skin irritation more frequently than controls. Apprentices reported symptoms and exhibited signs of irritation more frequently than experienced embalmers, but both of these groups were more affected than the inactive embalmers or the controls. Airborne formaldehyde levels were 0.36 ± 0.19 ppm (mean ± standard deviation) during 22 embalming procedures. General ventilation was shown to significantly lower the levels. No significant change in forced vital capacity, forced expiratory volume in 1 sec, FEF50 or FEF75 was demonstrated with formaldehyde exposure nor were the baseline lung function results significantly different from those 38 unexposed controls. Based on patch testing, 4% and 10% were sensitive to formaldehyde and glutaraldehyde, respectively, whereas none of the controls exhibited positive reactions.