An environmental and epidemiological survey carried out
in stone quarry workers revealed evidence of silicosis in
22.4% workers. About 32% workers showed radiological evidence
of tuberculosis. Most of the cases of silicosis were found in
the workers who had worked for over 10 years.
The mean totaldust concentrations in two quarries were 3.38 and 3.72
mg/M3 and respirable dust concentrations in two
quarries were 0.80 and 0.85 mg/M3 respectivelywith about 70%free silica.
Website Design and
Developed by
**National Institute of
Occupational Health(Indian Council of Medical Research),
Meghani Nagar Ahmedabad
380016
Phone: ++91792866630,++91792865142 Fax:++91792866630
