Document XRwoMr2yraOBX3qwejE1pv5ZG
AR Q26 - 0911
TOXICITY TO AQUATIC PLANTS
TEST SUBSTANCE
Identity: ArefmeirxrteudretocaonstPaiFnOiSng,pFeCr-f9lu5o,roorocatsanaescuolmfopnoanteen,twhoifcFhX-m3a1y03a.lso(1b-e Octanesulfonic acid) (CAS # 2795-39-3).
Remarks: is FX-3103,
3T%.heC3urMrepnrtodiuncftoiromnatliootnniunmdbiecartwesasit
not is a
noted. The test sample mixture of 0.96% PFOS,
2`S0o%diudimeotchtyyllesnuelfgaltyec,ol6.bu0t%ylpeotlhyeorx,y5et0h.y5l6e%newamtoenro,oc1t5y%lpehtehnyylleneethgelry,co2l.,54%.32%
propane sultone foamer, 0.5% sodium nitrate, 0.06% sodium lauryl sulfate,
and 0.1% benzotriazole.
cTrhehfaelreafccottltelhorewiiztneogxdisccouintmycomefanttrrhyaetaipfopllnuisooerfsoctihomepamuimrciiatxlitecusro.emDpwaiottnhaeimnntacyoofmnptolhteetatecelcsyutrsaatmeplyle.
METHOD:
Method: Not given.
Type: Acute static
GYeLaPr:sNtuody performed: 1985
Species: Selenastrum capricomutum
Source: Element
Not given. basis: Algal
cell
counts
(cells/mL).
Exposure Statistical
period: 96 Methods:
hours. ICs values
calculated
using
probit
analysis
or
other
Arneaglryestsiicoanl mmoodneiltso.ring: Not given.
Test Conditions:
Algal Nutrient Medium: Stock and test solution
Not given. preparation:
Not given.
Exposure vessels: Not given.
Agitation: Not given.
NInuitmiablecrelolflroeapdliincga:te2s:.052x 10 cells/mL
Number of concentrations: five plus a blank control Lighting: Not given.
-
Water Chemistry: Not given.
RESULTS Nominal concentrations: Blank control, 100, 180, 320, 560, and 1000 mg/L.
002965
96-Hour Algal Growth Response
Moan Cell-Count |_ Percent Inhibition
9
(cells/ml
[Control | 0_[
1,790,000 trro000
=
|A
|
1,080,000
[40|
[80 | 7000 | [60 | 3tooo0
60 88
| |
Element values: 96-hour ICso = 236 (19--3 273) mg/L.
Element values are based on nominal concentrations.
Reversibilityof Growth Inhibition: Not given.
Remarks: Substance
TReesmtianrgkwsafsielcd.ondTuhcetveadlouensarmeipxotrutreed
as described applytothat
in the Test mixture and
not
the fluorochemical proportion alone.
CONCLUSIONS
The test substance confidence interval
oefxh1i9bi3ttsoa29763-hmogu/rL.ICso
of
236
mg/L
with
a
95%
Submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133
DATA QUALITY
pr--------------
Rmeeltihaboidliftoyl:loKwieidm.isTchherraenkisinngo3c.haSrtauctdeyrilzaactkisodneosfcrtihpetitoesntasnudbsrteacnorcdesopufritthye, and lacks analytical confirmation of the amount of fiuorochemical proportion in the solution.
REFERENCES
TSth.isPasutlu,dyMNw,asLacbonRdeuqcuteesdtbnyutmhbee3rMC1C1o1m1p-a1n,y1,98E5n.vironmental Laboratory,
OTHER
oT
Last changed: 6/26/00.
002966
|
FRESHWATEENRVIARLGOANEMENGTRAOLWTHLABIONRHAITBOIRTYION TEST
ALGAL CELL COUNT, no./ml
HEMOCYTOMETER METHOD*
Test wg
west we XBL
MATERIAL ste EXSIOSSh
ALGAL SPECIES! sgnfae Solas aii
WLLU=L
we 2/25/85
BRTROG T
a
TOTAL OF 25 FIELDS
COUNTED
\80 M8
no. /ml
1,800,000 1,150,000
MEAN + SD
1,1q0,000
100wall
=1
M8
2-1
Mo
| 1 "1@0,000 1,110,000
1 410,000
T80wal
2 \=2 g S20
1,o10o0,000 1,080,000 1,000,000| X
1-3
2-2 ;
"T2Z, .
20,!000
"120,000
H20,000
BOwall
=k
2.
.
2-4
20
005wal
220,'000,
300,000
&i0,000 ;
1-5
20
2-5
20
00,) 000 200,000
200,000
1
0.1 wm deep Hemocytometer; area of field 1 x 1and 0.1 mm deep.
002967
.
Chui=1
TABLEEN1.VIROSNUMMEMNATRAYLOFLABAOCRUATTEORTYOXICITY
oF
TO FRESHWATER ALGAE
:
(seenastron capricorn2))
J
--------
* Percent Inhibition in Standing cop (2)
(mg/1) Chemical Concntration 4BC8ae-slHelrd-.Coounnt| CeBlals-edCouonnt9|6-Hr.CelBlaseDdryonWE.
Control
:
-
loo
!
80
Ho
220
bo
So
83
ooo
a
. Ic,, 50 (95% Contidence Limits) mg/1() 23,(19%-2"42)
Acceptability of Test
obal Yeading 20,500cells [ud . The Selenastrum capricornutum control cultures have met the
following quality criterias,
- Exhibited log phase growth within HE hours (max. 48hr.)
- cAetltlas/imnlead 96-he. standing crop of Axl cells/al (min. 10
Loqqhose rau at HB-Wrs, HHSccocellslud.
(1) Data were averages of two replications for each test
concentration.
--_
(2) Based on cell-count (no./ml) and/or cell-dry weight (mg/l).
(3) r1ce,jfevssailounesmwoedreelscaolfcuelxapteerdimeunstinagl dPartoab.it Analysis or other
002968