Document x1qq9BZzpk6x87E2rwzyk0rDy

IN TER - O FFIC E CO RRESPO N D EN C E Et h y l Ga s o l i n e Co r po r a t io n Ch r y s u i B u il d in g -IOS Le x i n g t o n Av e n u e N e w Yo k k June 7, 1937 Dr* Robert A Kehoe My dear Bobt With further reference to your letter of May 24th, I enclose copy of Report CR-20 in v/hich there are a number of analytical data giving the amounts of lead in crankcase oil. It may be pointed out that soluble lead as shown in these analyses does not necessarily mean alkyl-lead compounds as there are a number of lead salts of organic acids soluble in oil* Our laboratory reports no information on the use of leaded gasoline in engines located in mines Of course, many stationary engines are run on leaded gasoline in laboratories and there is certainly no reason to expect any trouble from this source provided the exhaust gases are properly piped ge/lrj Enc K* 0015425