Document v6JZaoLXX4jKndwrpELX9ReXR

COMMONWEALTH OF PENNSYLVANIA Department of Labor and Industry RALPH M. BASHORE, Secretary Special Bulletin T^o. 42 ASBESTOSIS Part II. The Nature and Amount of Dust Encountered in Asbestos Fabricat ing Plants. Part III. The Effects of Exposure to Dust Encountered in Asbestos Fabricat ing Plants on the Health of a Group of Workers. BUREAU OF INDUSTRIAL STANDARDS JOHN CAMPBELL. Director Harrisburg, Pennsylvania September 20, 1935