Document v1Y0eaBe5kKvJKVwr8ya9527m

) PROGRESS REPORT for the week ended Way 15, 1943 IHDUSTHIAL HYGIENE FOUNDATION Subjects under | which report is > to be indexed! Industrial Fellowship No. 259-9 3 copies made-' 1 - Mellon Institute 2 - Industrial Hygiene file A visit to the Columbia Chemical Division of Pittsburgh Plate Glass Company, Barberton, Ohio was made (in company of Dr. Holden) for the purpose of advising relative to control of calcium hypochlorite powder, chlorine and chlorine dioxide gas, excess heat > in the cell room, soda ash dust in the dense ash plant. Wednesday, Thursday and Friday were spent at the plant. > 'OftM 11 IOU .4t W.C.L. nemeon Industrial Fellow 001248