Document ZnepEarxzj8az8Oj57ZR6aDG8

Confidential Mellon Institute of Industrial Research UNIVERSITY OF PITTSBURGH PLAINTIFF'S EXHIBIT IHF-325 PROGRESS REPORT for the week ended February 16, 1946 INDUSTRIAL HYGIENE FOUNDATION Subjects under which report is to be indexed Industrial Fellowship No. 259-12 3 copies made: 1 - Mellon Institute 2 - Industrial Hygiene files A study was made of ventilation systems and ventilation requirements in the foamglas plant of Pittsburgh Corning Corporation, Port Allegany, Pa. The report for the Pyrene Manufacturing Co., was re-written. 9 R: 2/18/46 T: 2/28/46 Francis R. Holden, Ph.D. Senior Fellow WORM 25 u 9*4 9