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