Document 8530qk2LLko4vaOr8o3K9Ey3K

Confidential Mellon Institute of Industrial Research! UNIVERSITY OF PITTSBURGH PLAINTIFF'S EXHIBIT IHF-386 PROGRESS REPORT fcr the week ended June 30, 1945 I LEAL EYGIZNI foundation Subjects under which report is to be indexed Industrial Fellowship No. 259-11 5 copies made: 1 - Mellon Institute 2 - Industrial Hygiene Files Completed report on Louisville, Kentucky, dust and odor nuisance (Uonday). Tuesday, arranged a preliminary test_of lead-fume suppregsion in ory_acetylene cutting and applied a paste of bentonite to a scrap of . ' channel, iron and Vie Eoffman cut it with torch. While some of bentonite scaled off (insufficient adherent properties), there was considerable fusion of the clay in the flame, which is what had been hoped for. Abnormal sparks also noted indicating high degree of reactivity. Consider the test ' an indication of highly promising results. Thursday, reviewed North American Refractories dust control plan * .. and wrote Mr. Weinfurtner relative to it. Friday, participated in conference with Dr. Hamlin and J. Littlefield (American Brake Shoe) and Viarren Cook, in re iron fumes silicosis. R: July 6, 1945 T: July ?, 1945 W. C. L. Hem eon Senior Fellow FOAM 23 0- 9*49 0 0 0 8 4 S