Document 3Ndymg64G4QDkGGErq21bGX96
> AR226-2387
Polymer Products Department Research and Development Division Experimental Station
cc: S. C. Croft - 256
M. A. Kaiser - 256
T. K. Hu
-,i>323
256
PRAL File
-
I.C.
- 323
ANALYTICAL REPORT
June 25, 1984
TO: FROM:
J. F. DOUGHTY - PPD, WASHINGTON WORKS
S. R. LAAS /x5^^^a<2-^
(Job Mo. 840-0670; PRALHEEEEoRRsPF. LLTT8~OO.4RR-3~OO2OU^0UC,1lTA-AM6/N,;UOAA3i>Tr4.AE6c\(4/\C.,-_68c8/)n;. I.>H-i3"Q9W7.7qA9--_T-oE8--'R>2, Notebook Ho. E27552)
Fifteen
samples
of
water
have
been
analyzed Method
for perfluorooctanoate ES-567 was used -with the
(C8)
by
electron capture inodifi cations:
gas chromatography. sample size was lOg;
lyophillzatlon was-^'18-20
10
following hours; concentration
of
perfluorodecanoate internal standard -was decreased of 0,1,, 0.2, 0.3, 0.4 ppb were
fold.
Spiked standards at concentrations A reproducible detectable peak
was
observed
for
0.4
ppb
and
we
have
examined.
used this as our detection limit.
No C8 peak was detected in the spiked had linear calibration curves over
standards<.4 ppb.
For
1
the
quantitation we
The samples were
freezed
dried,
derivitized,
and
the range of 0.4 to ppb. analyzed in duplicate. The
results
are
expressed
as
ppb
fluoride
where
ppb F Bs 0.688 x ppb perfluorooctanoate.
The results are given in the attached table. questions, don't hesitate to call.
If you have any
nsg Attachment
Keywords:
GC
Perfluorooctanoate Water
EID079099
TABLB I
Pral No. 84-3401 84-3402 84-3403
84-3404 84-3405 84-3406 84-3464 84-3465
84-3466 84-3467 84-3468 84-3979 84-3980 84-3981
84-3982
Pr-rf1nnr""'--a"oata in Water
Desisnatxon
p
^g2/^ter(2pbl(a)
n.d.
D
nd-
i; 0.4 .
,,
\s
n.d.
RRAn/
nd
WB
0-8 '^
,,t>
n.d.
WW
"d*
,,
K.
n.d.
RW
nd
PP "d' ^
WB
0-7 ^/.-
,
jj
n.d.
Wf
nd
LB
1 v
"
;
(a) n.d. - none datected; detection li^it = 0.4 ppb.
EID079100