Document VG39najKZOoMq29x8KNrpDvjK
ACUTE TOXICITY TO FISH
TEST SUBSTANCE
Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredtoas PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116, FC-1 26, FC-1 69, or FC-143. (Octanoicacid,pentadecafluoro,ammonium salt,CAS # 3825-26-1)
Remarks: The 3M productlotnumber was 83.The testsample isFt-1 43. It'psuritywas not sufficientclhyaracterizedt,hough currentinformation indicatesitisa mixtureof 96.5 -100% testsubstance and 0 - 3.5% C6, C7, and Cg perfluoroanalogue compounds.
METHOD:
Method: Not noted.
Type: Staticacute
'GLP: No
Year completed: 1977
Species: Pimephales promelas
Supplier:Not noted.
Analyticalmonitoring:Temperature,pH and DO
Exposure period:96-hours
Statisticamlethods: Graphed LC5o
Test fishage: Not noted.
Length and weight:
Average length 2 inches
Average weight 1.6 g
Pretreatment: Not noted.
Test conditions: ' Dilutionwater: Carbon-filtereCdityofSt.Paul,MN
Dilutionwater chemistry:
Temperature: Not noted.
Dissolved Oxygen: Not noted
pH: Not noted.
Stock and testsolutionpreparation:Not noted.
Concentrations dosing rate:Once
.Stabilitoyf the testchemical solutions:Not noted
Exposure vessels:Not noted.
Number of replicates:one
Number of fishper replicate:Not noted.
Loading rate:Not noted.
Number of concentrations:fiveplusa blankcontrol
Water chemistry during the study:
Dissolved oxygen range (24- 96 hours):
4.7 - 5.7 mg/L (controelxposure)
4.0- 4.9mg/L (50 mg/L exposure)
pH range (24- 96 hours):
water.
7.0- 7.1 (controelxposure) 6.4- 6.5 (50mg/L exposure)** Test temperature (24- 96 hours):70 -72*F
RESULTS
Nominal concentrations:Bk control1,0,20, 30,40, and 50 mg/L Element value: 96-hourLC50 = 70 mg/L (C.In.otcalculated)
Element valuebased on nominal concentrations
CONCLUSIONS
The testsample 96-hour LC5o forfatheadminnow was extrapolatedto be 70 mg/L.
Submitter: 3M Company, Environmental Laboratory,P.O. Box 33331, St. Paul,Minnesota,55133
DATA QUALITY
ReliabilitKyl:imischranking3. There isinsufficiednotcumentationof the methodology. The LC5o was extrapolatedfrom an insufficiennutmber ofdata points.The generalhealthand age ofthefishare not noted. Sample purity was not propedy characterizedand itlacksanalyticaclonfirmationoftest substance concentrations.
REFERENCES
This studywas conducted by the 3M Company, EnvironmentalLaboratory, St.Paul,MN, Lab Request number 2340.
OTHER
Last changed: 5/24/00
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