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Changes in ventilatory function in coal miners after a work shift.

Authors
Lapp-NL; Hankinson-JL; Burgess-DB; O'Brien-R
Source
Arch Environ Health 1972 May; 24(3):204-208
NIOSHTIC No.
00018900
Abstract
Ninety three coal miners and 42 non-miners underwent studies of ventilatory capacity before and after a work shift. Small, but significant, decreases in ventilatory capacity occurred among the miners; in contrast, significant increases in ventilatory capacity occurred among the non-miners. These decreases in the miners were most evident in the expiratory flow at low lung volumes, primarily forced expiratory flow at 75 percent of the vital capacity exhaled. Proportionately greater decreases in expiratory flow at low lung volumes occurred in men exposed to the higher dust levels. Degree and extent of exposure to coal mine dust is the most likely explanation for these findings; however, other factors peculiar to the miners' working environment cannot be definitely excluded from consideration.
Keywords
Exposure; Environment; Working-conditions; Workshift; NIOSH-Author; Miners; Respiratory-functions; Coal-mining; Respiratory-disorders
CODEN
AEHLAU
Publication Date
19720501
Document Type
Journal Article
Fiscal Year
1972
NTIS Accession No.
NTIS Price
Issue of Publication
3
ISSN
0003-9896
NIOSH Division
ALFORD
Source Name
Archives of Environmental Health
State
WV
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