Document 06jodyre5wpbNEQOO4ybad0dx

IN D U S T R IA L H Y G IE N E F O U N D A TIO N OF A M E R IC A , INC. Me l l o n In s t it u t e , 4-400 Fif t h Av e n u e Pit t s b u r g h 13, Pa . M arch 12, 1956 D r . R . A. Keh oe ' D ir e ct o r , Ketterin g Laboratory- U n iversity of Cin cin n ati C in cin n at i, Ohio D ear Bob: I ap p r e ciat e you r w ritin g m e in d e t ail abou t the lead balan ce qu estion . I am now effectively orien ted an d now u n d erstan d th at I w as takin g a little too m uch for gran ted . N on eth eless, I am glad to h ave been brou gh t up to date even th ough on ly in ou tlin e fo r m on th e sign ifican ce of you r stu d ies to date. Sin cerely y ou rs W CLH :am W esley C. L . H em eon En gin eerin g D irecto r 0 01 0 G2 i AN ASSOCIATION OF INDUSTRIES FOR THE ADVANCEMENT OF HEALTHFUL WORKING CONDITIONS