Document 3egmON5b4w37BX4YeNyD685bx

June 22, 1961 Bureau of Workmen's Compensation Ohio Departments Building Colunbus IS, Ohio Attention: Mr. Paul J. Drug.in, Referee, Room UlOA Gentleme.it RE: OD 116213 John Salata The abort numbered claim has been referred to this Division for a statement relative to the claimants exposure to dust containing free silica, while employed in Ohio. The claim is .'lied against the (Coppers Company, Incorporated. The file indicates the following: Employment in Ohio 13 years to 1932 ^heeling Steel Corporation, Steubenville 1 year Wierton Steol Corporation, Steubenville 6hl days 9/2/ltfl - 5/26/52 (Coppers Company, Pittsburg Approximately 17 years in Ohio ending 5/26/52 While building furnaces from silica brick and fireclay brick the claimant was exposed to dust concentrations varying from 2 tc 20 million particles of dust per cubic foot of air. This statement is based upon dust counts taken in atoei mills throughout the state of Ohio. The fireclay brick would contain up to 35^ free silica. The silica brick would contain up to 90% free allien. Very truly yours, DeV/itt Huffman Industrial Hygiene Engineer