Document LXb2keMJRYz9Y8dxNXk3wrvd

October lb, Ip-l Mr. 0. B. Lewis idfayl {.- nr - o'* Ire Corporation Chrys.ior Ballaisg New York, New York Bear Oscar: Th e k B ' YT M am m l ?ooVn v a r y y / 'od indeed and }. thirl. yon ?.ra to he ion~ *a*at\;lstec!. in rhat you have succeeded in incorporating the necessary precautions Bor the cleaning of leaded tanks. v v.ve only one point of comment, un page 4, headed "Oxygen Deficiency1'* statement is wade that air that contains lass than Lo$ of o x y g e n will not sustain life. 'This is not true siv-.ca symptoms do not. usually begin to appear until the concentrations become as low as 12#* Kven. these low concentrations are not necessarily fatal. X would suggest that you give some general statement, such as "great reduction in oxygon percentage is not compatible with life.'* Cordially, WM: vr Willard Machie, M.D. K t 0022715