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SAFETY COMMITTEE O. H I-Eivis CHAIRMAN Et h y l Ga s o l in e Co r p o r a t io n CII ItYS UiuBl'IL I) IX G 405 Le x in g t o n Av e n u e Ne w To h Iv December 5, 13IS Dr. F. Maciile University of Cincinnati Eden and Bethesda Avenues Cincinnati, Ohio. Dear Dr. I'achle: Sinclair Refining Company at Marcus Hook, Pennsylvania, have been making some analysis of lead in water bottor>s and Ellis Jones has picked up a report from their chemist which is attached. Very truly yours. Yv: GCL Enclosure 0022629 COPY - Oct. 31st, 1936. fl fSA /W-- \ Hr. Riggs submitted to the laboratory samples of water and of situ taken from KC Gasoline cars during cleaning. The history of these cars and the results of our analysis are snovm below: SDRX 8159 was last cleaned on June 9th, 1936, and has made two tr: in 1IG Gasoline prior to this cleaning. rfest3 on samples taken from it are : follows: After j Hr. After Middle of Car 2 Hrs. 4 Ilrs. S lira. Sludge & Scale End of Car Scale Reaction Acid V/ater Sol. PbtrHone Eater Insol Pbi-r Rone Acid Acid Hone Hone Faintest Hone Trace Acid Hone Hone Acid .Hone 0 003/0 Acid . ^** 0 002 SDRX 6115 was last cleaned on February 5, 1934, then made one tri] in heating oil, one trip in kerosene and two trips in HC : asoline prior to cleaning. Reaction Water Sol ?b *- ~ 51 Insol Pb.f r Acid Hone Faint Trace Acid Hone Faint Trace Acid Hone Hone Acid Hone Hone Acid Trace SDRX 6150 was last cleaned on June 17, 1936, and has since made tv trips in concentrate and two trips in IiC Gasoline Reaction Ac id Water Sol Pb Hone rt insol Pb - r Rone Acid Hone Hone A.cid Hone Hone Acid Hone Hone BM -- - Acid _ None The only sample in which we were able to detect a measurable amour of lead were two sludge and scale samples from SDRX 8159 in which we found small amounts of water insoluble lead compounds. We do not know whether or not thi3 quantity is significant or whether the lead in the v/ater in soluble form is dangerous. However, pending definite advice on this point it will probably be worth while to at least continue sampling gasoline cars as they are cleaned and in addition fce should probably make an. e f fort to clean an ethyl car and examine the same set of samples taken during its cleaning. cc: Ir. Rises R. 0. Bender 0022630 N22608.01 ' `AASR,: .! "-a : >: :