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Respiratory hazards associated with exposure to formaldehyde and solvents in acid-curing paints

Journal Article · · Arch. Environ. Health; (United States)
Thirty-eight employees exposed to formaldehyde when working with acid-hardening lacquers and 18 nonexposed control persons employed at the same company were examined to determine lung function (spirometry and nitrogen washout), total immunoglobulin blood concentration, and work-related symptoms. The mean exposure to formaldehyde during an 8-hr workshop was 0.40 mg/m/sup 3/ air, and the mean exposure to peak values was 0.70 mg/m/sup 3/. Mean exposure to solvents was low, i.e., approximately 1/10 of the hygienic effect. Eye, nose, and throat irritation was more common in exposed persons than in controls. Monday morning, after two exposure-free days, forced vital capacity (FVC) values were found to have declined by 0.24 L and forced expiratory volume in 1 sec (FEV/sub 1.0/) by 0.21 L, compared with normal values. There was a weak correlation between the individual concentration of IgG and decrease in FVC and FEV/sub 1.0/. No significant changes were noted in any other lung function variable before a work shift, and no lung function changes were noted over a full work shift. Deviations in FVC and FEV/sub 1.0/ values did not correlate to peaks or mean exposures or employment time.
Research Organization:
Karolinska Hospital, Stockholm (Sweden)
OSTI ID:
6727883
Journal Information:
Arch. Environ. Health; (United States), Journal Name: Arch. Environ. Health; (United States) Vol. 43:3; ISSN AEHLA
Country of Publication:
United States
Language:
English