Document rBbm2w1RwBgyyo16Yomm4MGer
AR 226 - 0916
ACUTE TOXICITY TO FISH (FATHEAD MINNOW)
TEST SUBSTANCE
Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-85, or as a component of FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).
Remarks: The 3M production lot number was not noted. The test sample
is FX-3104, 6%. Current information indicates it is a mixture of 0.48% PFOS,
14.09% diethylene glycol butyl ether, 59% water, 17.6% ethylene glycol,
1.44% sodium octyl sulfate, 4% inhibitor, 2.0% polyoxyethylene monooctylphenyl ether, 1.25% propane sultane foamer, 0.03% sodium lauryl sulfate, and 0.1% benzotriazole.
The following summaryapplies to a mixture with incompletely
characterized concentrations of impurities. Data may not.accurately reflect the toxicityofthe fluorochemical componentofthe test sample.
METHOD:
Method: Not given. Type: Acute static-renewalrange-finder
GLP: No
Year completed: 1985
Species: Pimephales promelas
Supplier:
Analytical
Commerical Supplier, Brady, NE.
monitoring: Temperature, pH, and
dissolved
oxygen.
Exposure period: 96-hours
`Statistical methods: LCsg values were calculated using logistic regression
`methods (probit analysis).
Test fish age: Juveniles
Length and weight:
Average length = 41 mm
Average weight = 0.50 g (wet)
Loading: 0.67 gL
Pretreatment: 25 mg/L Tetracycline HCI
Test conditions:
Dilution water: Carbon-fitered well water
Dilution water chemistry: Not given.
Lighting: Not given.
Stock and test solution preparation: The test material was added directly
to the dilution water on a weight/volume basis.
oT
Concentrations dosing rate: Solution renewal during the study.
Stabilityof the test chemical solutions: Notnoted.
Exposure vessels: 4L glass beakers containing 3Ltest solution.
Number of replicates: 1 for exposure concentrations, 2 for blank control.
`Number of fish per replicate: 4.
002985
WNautmebrecrhoefmicsotnrcyendturraitnigontsh:e sfitvuedyp:lus a blank control
pH ran7g.e6 (--07-.986 (hcoounrtsro)l: exposure)
7.6 -7.7 (1000 mg/L exposure)
TDeimsspoelrvaetduroexyrgaennger(a0n-g9e6 (h0o-u9r6s)h:our1s9):-20C
7.0 -- 9.3 mg/L
4.2-9.3mglL
(control exposure)
(1000 mg/L exposure)
RESULTS
Nominal concentrations: Blank control, 1, 10, 100, 500, and 1000 mg/L.
Element values: 96-hour LCso=>1000 mgiL
Element values based on nominal concentrations
Remarks: Substance
RTeesmtairnkgswafiseldc.onTdhuectveadluoens
a mixture reported
aapspldyestcortihbaetdmiinxttuhreeTaensdt
not
the fluorochemical proportion alone.
CONCLUSIONS
The test sample 96-hour LCso for fatheadminnowwas determined to be >1000 moll. Submitter: 3M Company, Environmental Laboratory, PO. Box 33331, St.
Paul, Minnesota, 55133
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REFERENCES
TSth.isPasutlu,dyMNw,asLacbonRdeuqcuteesdtbnyutmhbee3rMC1C1o1m1p-a2n,y1,98E5n.vironmental Laboratory,
OTHER
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