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918 CHAPTER 47 1949 Guide tures may run from 250-300 F up as high as 1200 F.

960: CHAPTER 50 1949 Guide' ' tm = logarithmic mean of the difference between the temperature of the heating medium and the average water-temperature and is approximately : - U = temperature of the heating medium, degrees Fahrenheit.

v Confidential Mellon* Institute of Industrial Research UNIVERSITY OF PITTSBURGH PLAINTIFF'S EXHIBIT tm l L v -irt O n n v n f lltr* O r it*in :tl I Im tv 1i In iIn* C u r n r i'ii- M r llm i' Iln iv e r s ilY A n 'lu v c * .

I-H-F IN 1948 JOHN F.

CONl'UJENTl.OU Mellon Institute of Industrial Research UNIVERSITY OF PITTSBURGH PROGRESS REPORT for the week ended July 27, 1946 INDUSTRIAL HYGIENE FOUNDATION Subjects under which report is to be indexed Industrial Fellowship No. 259-12 5 copiers' made: 1 - Mellon Institute 2 - Industrial Hygiene files Started work on Abrasive blasting project and resumed plans for development of lead-suppression paint.

Confidential Mellon Institute of Industrial Research University of Pittsburgh Ve Certify This Copy To Be A True and Exact Copy of the O rdinal House In the PROGRESS REPORT for the wooif ended January fi, loan A IE HYfilK-:.- rOfTN'OATTOW:Industrial Fellowship No. ?

: PLAINTIFF'S J " EXHIBIT 1 PART I Manual L-l MANUAL L-l--A GUIDE FOR THE PREPARATION OF WARNING LABELS FOR HAZARDOUS CHEMICALS orl| I l Adopted 1945 ' .

FRICTION MATERIAL CATALOG \ POPULAR TRUCK BRAKE LINING SECTION, Crat'd MAKE MODEL TEAR INUlf UMNO RECOMMENDATIONS Igcu* Mon DrWod S#f No, Rtvtt Six* No.

76. through the Province, and are lower than those (or the remainder of the Province, and much lower than the rate for Montreal.

the skin, but primarily because it will almost certainly involve excessive inhalation of the vapor Benzene hexachloride--see Hexachlorocyclohexane.

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