Document EdaMGZ8JQq216bKoQMGODbjqj

ARTES JLA, IVICjTVj.\ j \j CONTINENTAL OIL COMPANY , bottom. Full equipment used during cleaning and of cleaning. Small holes found in bottom. Instr representative that new steel bottom could not be of sides sandblasted. It was agreed that new con protective equipment although tank had not been d intermittently for three days after cleaning pres might have been under floor. Concrete floor pour Seven men were on concrete job and all worke the contractor, was in and out of tank bu m m wmshort periods. and were in tank very short time, was *n tank a "considera in tank "part time," was in one-half day a 'was in essentially full time and worked ver Illness in relationship to in-tank time is s Name In Tank Urine Pb Mg./L. Blood Pb Mg./lO very little "out most of time" um out most of time 'considerable time' 0.13 probably half or more timte" 0.80 0.07 0.05 K 0021392 full day 0. Discussion All evidence would point to a very high c atmosphere against which there was no defense. Correlation between time in tank and illn for Nobles who had only a very mild intoxication in of 1/2 day in tank. Howver^ time in tank for Nobl findings which is consistent with more severe intox Gibson's moderate illness is consistent with time i blood and urine lead. The entire picture is consistent with wha all of the circumstances. Cause - Working in tank with no protective equipmen lead vapors undoubtedly forced from beneath tank th concrete. Organic lead in side scale presumably as 10- 7-1963 LWS KB 0021393 Factors responsibll: 1. Tank steamed 2. Leaking bottom 3. No respiratory protection 4. Fatal illness produced by eight without mask. 5. Extremely high concentration of sludge. 11- 1-63 - Lester KF 0021394 Samples of urine and blood received from r Continental Oil Company, (Dr. Schradin) A 4 Name WKtk m An a lysis Num ber U rin e Volum e M l. Mg. P b / L. 4 PA-6 94.9 90 0 .8 0 i| lp A--6 9 + 7 i|JLi-A--6 9^+5* 10 0 10 0 0 .8 0 0 .13 K-Specific gravity not taken, but urine was colo