Document RaJEd6ow00V09VpM8pQYdnBez
AR226-2386
CONFIDENTIAL
Polymer Products Department
Research and DttvelopiaenC Division Experimental Station
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AMALmCAL REPORT
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cc: S. C. Croft - 256
M, A. Kaiser - 256
T. K. Wu
- 323
PRAI. File
~ 256
I.C.
- 323
June 25, 1984
TOs FROM:
J. F. DOUGHTY - PPD, WASHINGTON WORKS
S. R. LAAS /^"^^O^-^
PERn-UOROOCTANOA'tE (C8) IS WATER
3464-68;^3979-82
Notebook Ho.
g27552)
(Job Bo. ^0-0670;PRALNos. 8A-3201-6;
'Fifteen
saples
of
water
have
been
analyzed Method
for pevfluorooetanoate ES-567 was used with the
(C8) by electron capture following isodAfi cations:
gas chromatography. sample size was lOg;
lyophlllzatlon was-^l8--20
10
hours;
concentration
of
perEluorodecanoate internal standard was decreased concentrations of O.I, 02 0,3, 0.4 ppb were
fold.
Spiked Standards at A reproducible detectable
peatc
was
observed
for
0.4
ppb
and
we
have
examined.
detection limit.
No C8 peak was detected in tha'splked had linear calibration curves over
used this as our standards<.4 ppb
For.the
I
quantltation we
The samples were
freezed
dried,
derivltized,
and
the ranga of 0.4 to ppb. analyzed in duplicate.. The
results
are
expressed
as
ppb
fluoride
where
ppb P " 0,688 x ppb perfluorooctanoate*
The results are given in the attached table. questions, don't hesitate to call.
If you have any
asg Attachment
Keywords;
GC
Perflaorooccanoate Water
EID136033
CONFIDENTIAL
TABLE I
PerfluoTOOctanoate In Water
pral Ho., 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
Designation
P D L . 6
ia> TO B
Wl
R
R P?
WB L WM
I-B
OfLXSJ^lSSUEE10-a
n'd* nd 0-4
.
nd nd 0*8
n(d-
'
nd nd "dn'd ot7
"d'
n*'1-
-
1 .
(9) n.d. none detected; detection limit = 0.4 ppb.
EXD136034