Document JNk1kmKe7pM54YR40pMmnMnkZ

Confidential [Mellon Institute of Industrial Research UNIVERSITY OF PITTSBURGH PLAINTIFF'S EXHIBIT niF-312 PROGRESS REPORT for the week ended May 28, 1948 INDUSTRIAL EYGIENE FOUNDATION Subjects under which report is to be indexed Industrial Fellowship No. 259-14 5 copies made: 1 - Mellon Institute 2 - Industrial Hygiene files A dust investigation in handling wood flour was condngted at the . . ' Clarksburg, West Virginia pla,nt of Pittsburgh Plate Glass Company..'.;':-. . All eagles were counted and the report written for Pittsburgh Plate. . . -Glass Company. .;r - -- - The spirals received from Onondaga Pottery were cut to size and dust. - .. counting started. x. - .. -y^rj I E: 6/10/48 - ' T: 6/18/48 r.- B: *' - \ 000256