March 20, 1969 Emanuel Landau, Ph.D., Member, TR-8, Biological Effects Committee of APCA 801 North Randolph Street Arlington, Virginia 22203 Dear Doctor Landau: Thanks for your letter of the seventeenth.

KETTERING LABORATORY EDEN AND BETH ESD A A V EN U ES Cin c in n a t i, o h io 4 9 2 (9 U N IV ER SIT Y O F CIN CIN N A TI C O L L EG E O F M EDICINE DEPARTMENT o f e n v ir o n m e n t a l h e a l t h .

November 29, 1966 Dr.

August 19, 1960 Dr.

X'

April 28, 1961 Kiss Erma A.

January 3, 1963 C.

October 9, 1967 Mr.

April 24, 1964 CONFIDENTIAL, William Weingarten, M.D.

August 23 1965 Mr.

O CCUPATI O N AL D I SEASES I N D U S TRI AL HEALTH RU TH ERFOR D T.

MERLE BUNDY.

FO R1 191 OA NA BRO W N A T T O R N EY I N C O RPO RA T ED IN K EN T U C K Y LEGAL D EPA RTM EN T P.

/ G I L B E R T M.

December 31, 1966 Mr.