Document QkxeRM31p9GeMXd0KJ3K7yQ5v
nefi -
--_ --~
AR2R6- 3465
69
000654
.
AR 226 - 346L
8 IN BLO - Histone
1
~
1879 c-8 fod in blood of Dupont workers. 1978 Informed by 3M that C-8 is found in the blood of exposed workers and persists for a long time.
1980 Workers with blood C-8 found to have normal liver function. 1981 Birth defects scare - additional sampling. 1982 Blood program continues on voluntary basis - no trends noted. 1990 Formal review of blood data.
1985 First Syear "snapshot. 1993 Journal Of Occupational Medicine study of 3H workers.
2
000655
as mem maemo
ac:
eo
"3
s1000 owtToRn
THIS 15 THE ONLY REASIRE VE WAVE GF TOTAL ENPLOVEE EXPOSURE
Prostens GIOPERSISTENCE WARES DATA INTERPRETATION DIFFICULT suru 1s stv LEKIHY MUALYSISISRUNBYORLY ONELAB
NO AEL
000656
WASHINGTON WORKS
VOLUBLNOOTDTAESRTINYG
0 - <1 ppm
1-<3 pm >3 ppm TOTAL
1993
1994
9
47
2
5
2
1
13
53
|~
MNosystematic comparison with air sampling is possible.
a]
C-8 specific GC analysis run by National Medical Services.
Correlates well with new 3H analysis.
|
0006577
1995 C-8 IN BLOOD "SNAPSHOT"
PURPOSES
Mpornoigrtaonrs.the overall effectiveness of our C-8 industrial hygiene
Create and maintain a continuous data base for epidemiologic
surveillance of our exposed population.
Provide closure for issues raised by the 1990 data review.
:
|
Honor employee requests for voluntary testing.
@ ~
|
TEST POPULATIONS Exployees in C-8 Jobs (2 of 160) rEemspullotye>e3s pnroat (i9n Co-f81j2)obs with a previous
rPeenssuilotne(r9sowfit1h8)a high previous
Volunteers (18)
.
000658
RESULTS SUWMARY - OPERATORS
JB DESCRIPTION
AV1E0R9AG5E (n) AVER1A9G8E9 (n)
O08PE autoclave
23M
3.0 (4), 7.0 3)
GPF polykettle
2.6 (8)
25 (3), 8.5 (1)
gp dispersion
05 (2)
10 2), 7.5 (1)
0gPI FP finishing
2.0 (6)
2.0 (6)
08h FP packout
01)
0PM C8 dryer recovery 1.7 (2)
18% FEP polykettle
2.3 4)
18% FEP extruder/oven 1.5 (6)
0.5 (3)
18% FEP wet finishing 3.0 (1)
.
0
18% rFEPoprackomutt
0o1r @(8)
189K FEP safety/disp
21@
!
RESULTS SUBMARY - MECHANICS
sc R/dis/on
14)
56M general shift
118)
ssNs process EAI
08 ()
-
GMA general shift
1.15)
--
6M FEP E&I
0.9 (1)
000659
&
-
HALFLIFERESULTS FROMPENSIONERS
DATcEsPEM 4/89 5.7
3/87 1.2
9/81 6.5
3/88 2.8 8/88 2.4 7788 5.9
RDEATT.E
co
1/2 Lae
pamEeE (YEaRs)
yor aes a 5.7
oz aes 11 2:
oss yes 1a 3.9 1/52 yes 2.2 6.5
oes aes m2 5.7%
12/6 ss sa 4.00
3/85 3.0
4/85
3/95 .14
2.3%
:
.
~3
oz 6.3 12/52 395 57 3.5m
san an ass yes aa
|{
For + results, averagne e=s3.9 sigma = 114
|
using
logn = -.301t
no
t1/2
2
000660
orEERopsERVATIONS
1. vouowTEERS a)one of 17 is above 1PBK b) Aveofrothaerg16eis0.4PPK
2. ACTIVEENPLOYEESWITHPREVIOUS HIGHRESULTS
-
notiinn cc-o8s jJoobb
Do25wn sa52me Up%1
~<D
3. THREE BMPLOYEESOVER 3PPKFORTHEFIRST TOME
|
--
000661
3
Tes PoPULATIONS 1. Employees in C-a jobs (82 of 140) 2. Ermepsluolytee>s3 pnpotm i(3n Co-f512j)obs with a previous 3. Preenssuilotne(r9sowfit19h) a high previous 4. Volunteers (18)
||
2
000662
2
OTHER OBSERVATIONS
1. WALFLIFE ESTINATES FRON PENSIONERS nih Average = 3.8 years
Sigma = 1.2 years
2. Younes
2) One of 17 is above 1 PPM b) Average of other 16 is 0.4 PPM
3. ACTIVE EMPLOYEES WITH PREVIOUS HIGH RESULTS
9n)
` in -8 job BtonoEsme
ad
not in C-8 job
6
2
1
4. THREE ENPLOYEES OVER 3 PPN FOR THE FIRST TINE
-
||
.
-
-
000663
|
||
|
|
9
PATH FORVARD
Finish Data Analysis
Exployee Communication
Site Industrial Hygiene Efforts
Toxicology Mork (Do we need a BEI?) Continue Annual Voluntary Testing Take Another Snapshot In 2000
. -
J
--- 000664