Document 68KGBjDvGwb9QbNgD9ZpyJQE

FILE NAME: PPG (PPG) DATE: 1942 Sept DOC#: PPG020 DOCUMENT DESCRIPTION: Preliminary Report on Animal Exposure Study Confidential M ello n I n stitu te of I ndustrial R esearch Untyursitt o r P ittsburgh PROGRESS REPORT for the___Efiak-------- ended___September .1?,, 19A2. T:i-.;?SrPTkl. KYGTn;F_P.liINDmQN__ In d u stria l Fellowship No___ Subjects under ) which report is v to be in d exed j 3 copies made: 1 - Mellon In stitu te 2 - In d u strie l Hygiene f i l e A prelim inary report on the Koppers animal exposure study haa been prepared. The f i r s t phase o f the work has progressed to a p oin t where i t i s necessary to determine the wishes of the donor concerning further experimental work. The S t . Joseph Lead Company atmospheric survey has been continued. . A short survey has been made a t the Creighton plant of the P ittsburgh P late G lass Company. The ab stractin g o f the lite r a t u r e for the September issu e of the In d u str ia l Hygiene D igest has been continued. September 14, 1942 T: September 14, 1342 R* 7 ". id____ M E LLO N IN S TITU TE [8 H (K iD 3 fiT 3 DOW: P re n d s R. Holden In d u strial Fellow PLAINTIFF'S EXHIBIT i SC-IHF-022451