ACKNOWLEDGMENT 
The authors acknowledge the valuable assistance of the following 
personnel in various phases of this investigation: R. Bubeck, B. I. D'Iorio, 
Me Dyvimnicky, Cro nemauy, ©. LE. Leander, D. A, Lutz, R. B. Kelly, 
te One ne Ce. orenler, fH. Susi, V. A. Turkot, and L..O. Vroombout of 
this Division; and J. G. Bendoraitis, Socony Mobil Oil Company, 
Paulsboro, N. J. 
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