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Pulmonary function and roentgenographic changes in granite dust exposure.

Authors
Theriault-GP; Peters-JM; Johnson-WM
Source
Arch Environ Health 1974 Jan; 28(1):23-27
NIOSHTIC No.
00025310
Abstract
Chest roentgenograms of 784 granite shed workers are studied in relationship to lifetime dust exposure, ventilatory function, and smoking habits of the workers. Increase in dust exposure correlates with increase in size of rounded opacities and profusion. Irregular opacities are related more to smoking than to dust. Forced vital capacity (FVC) is lower for people with abnormal roentgenograms and decreases with greater profusion. Residual volume (RV) increased with smoking but not with dust exposure. No trend is shown for total lung capacity (TLC). A dose-response curve of dust on ventilatory function and on roentgenograms shows that the effects on ventilatory capacity took place 13.5 years before opacities on roentgenograms.
Keywords
NIOSH-Publication; NIOSH-Contract; Contract-099-72-0066; X-Rays; Pulmonary-function; Respiratory-function-tests; Statistical-analysis; Smokers; Testing; Lung-disorders
CODEN
AEHLAU
Publication Date
19740101
Document Type
Journal Article
Funding Type
Contract
Fiscal Year
1974
NTIS Accession No.
NTIS Price
Identifying No.
Contract-099-72-0066
Issue of Publication
1
ISSN
0003-9896
Source Name
Archives of Environmental Health
State
MA; VT
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