Document zbkb9oKdNJk2MdB8mekByL0bm

S S * ES TA B LIS H E S 1002 E.1.du Pont de Nemour s &Company IN C O R PO R A T ED Wil min g t o n 98, Del awar e ORGANIC CHEMICALS DEPARTMENT PETROLEUM CHEMICALS DIVISION September 23, 1959 . . c*/ Dr. R. A. Kehoe University of Cincinnati The Kettering laboratory College of Medicine-Eden Avenue Cincinnati 19, Ohio J N- vy t \ V Dear Dr. Kehoe: ; !j Enclosed please find our check No. J 51^3 for $6,250 which ^ is the third quarterly payment for the study of lead inhalation be- - ing conducted by the Kettering Laboratory under our agreement of . 9/1/49. This agreement runs from year to year until canceled by 's either party on December 31, on three months' notice. We are serving notice that we wish to cancel this agreement at the end of 1959* \ As you know, the Surgeon General xaade certain recommendations relative to the measurement of lead in the atmosphere in connection with the use of 4 ml of tetraethyl lead in gasoline. Since we do not yet knowexactly what will be required of us, we wish to maintain flexibility in our commitments, which is the reason for this cancella tion. Very truly yours, y y-n / f TE/./ &Planning Onager JRSabina/fml Attachment 0003316