Document Vqbrj19LevVY60eX1deMeZVN

N17481 J^ndiana. Ordnance W ork s, E. I . Du Pont - Tde N em ours and Com pany, I nc. Charlestown , I ndiana cm O o Ul D r D. H . Eck les I ndiana O rdnance W orks E. I. Du Pont de N em ours and Com pany, I nc. Ch ar lest own , I ndiana D ear D octor Eck l es: I am sending you herewit h the r esu l t s on the following em ployees, t ogeth er with an in terpret at ion of the r esu l t s and an invoice coverin g the cost of an al ysi s: ef En c. V er y t r u l y you r s, E. R. Br t l age, Secr et ar y to D r. Kehoe dist ur ban ces to f i l t e r s and other faci l i t i es, pr ovided opportunities fo r contam ination of sam ples in p r o cess of an al ysi s, l a con sequen ce, high r esu l t s a r e not en t i r el y to be t r u st ed, while low r esu l t s m ay he assu m ed to he co r r e ct , si n ce contamination can only influence the r esu l t s .on the high side. On t h i s account it i s recom m ended t hat no act i on be t aken on any of the men whose r esu l t s ar e high, with the except ion of Gr over t i i ao r , who should not be subject ed to fu r t h er exposur e unt il the r esu l t s ip M s case have been checked. Addit ional blood sam p l es should he obt ained and an al ysed at our expen se, fr om al l of the m en. i t i s u n n ecessar y at t h i s t i m e t o r eexam i n e t he u r i n e. Wet ar e for w ar di n g equipm ent fo r the fi ve addit ional sam pl es. Signed K g' 0013569 N17481.01 Source Material* Submitted Required* Employees of Indiana Ordnance Works, E.I. du Pont de Nemours and Company, Charlestown, Indiana Urine and Blood 5-11, 15-54 by !> H. Eckles, Indiana Ordnance Works, E.I. du Pont de Nemours and Company, Charlestown, Indiana Lead Analyses Name URINE Analysis Volume Mg. Pb/ Analysis Number ml. Liter Number 54A-5654 118 0.25 ___ U5. 51A-5658 5I1A-3675 J M. 110 0.15 0.12 0.07 0.11 One tube; both analyses run from the same sample. 541-5674 541-5657 5 1A-5659 5k ?3.J. BLOOD r'^pec"trogra'phlc~~ Weight Mg. Pb/ Grams 100 g. Dithizone Weight Mg. "PhT" Grams 100 g. Contaminated i2L 0 .11 8 .1 iltk 0.07 0.06 * 0cO8 2A 1 1 .1 0.08 o*ox .0225. 12.7 0.06 Samples Collected* 5-6, 7> 11-54 Samples Received* 5-11, 15-54 Samples Reported* 5-20-54 N17481.02 I in wor k involving a significant amount exposur e t o lead Co pr esu m es, fr om tiie h i st o r y sh eet s, that such exposur e h as been r ecen t ) . The blood l evel of each o f the m en {aver age of 2 r esu l t s in each in st an ce) i s above the upper n or m al l i m i t , the aver age of al l of them being 0. 0t 7. The aver age concentration in the u rin e of the group la al so above the n or m al l evel , being 0. 134 m g, p er l i t er . Th er e i s, t h er efor e, lit t le or no m ar gi n of safet y, and i t I s l i k el y that the continuation of the m en in the work they a r e doing w i l l r esu l t in the occu r r en ce of cases of lead poisoning, u n less the exposur e i s reduced ci t h er by m or e or bet t er en viron m en tal con t rol or by shortening the period of exposur e per day or per week. One m an in the group, I ;as reached a dan gerous l evel j lead absorpt ion , a a indicated by"the" values' in both blood and u r in e, at which he m ight develop sym ptom s of intoxication at any t im e. Uia exposur e to lead should b term inated su m m ar i l y, until h i s l evel s d ecr ease. Th ree ot h er s, in or d er of d ecr easi n g sever i t y, flH M jjjH H H H Jfe and are very near t h ^ t a r o sn o fc^ ^ i a n ge r ^ w M u ^ a a s^ ve st radon of till t h e'group, has a sat i sfact o r y, although, n ai ver y l a r ge , m ar gi n of safet y. ' -^ O t-- ! i ' ' - j Ow -w UK /t f .llP j." H S 001357