Document NevLgQpr67wX92RD2J68k3amD
AR 826 _ 0740
ACUTE TOXICITY TO FISH
TEST SUBSTANCE
Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203A. (1Octanesulfonic acid) (CAS # 2795-39-3).
Remarks: The 3M production lot number was not provided. The test sample is FC-203A. Current information indicates it is a mixture of 1.34% PFOS, 25%diethyleneglycol butyl ether, 67.85% water, 2.66% Sultone foamer, 3% sodium octyl sulfate, 0.1% sodium lauryl sulfate, and 0.05% tolyltriazole.
The following summary applies to a mixture with incompletely
METHOD: characterized concentrations ofimpurities. Data `may not accurately
reflect the toxicity of the fluorochemical component of the test sample.
Method: Not given
Type: Acute static
GLP: No
Year completed: 1975
Species: Pimephales promelas
Supplier: Not given. Analytical monitoring: Temperature, pH, and DO
Exposure period: 96-hours Statistical methods: LCs values calculated using graphic interpolation. Test fish age: Juvenile
Length and weight: Average length = 2 in. Average weight = 1.5 g (wet)
Loading: Not given.
Pretreatment: None Test conditions:
Dilution water: Carbon-filtered St. Paul City water, St. Paul, MN Dilution water chemistry: Not given.
Lighting: Not given.
Stock and test solution preparation: Not given. Concentrations dosing rate: Once Stabilityofthe test chemical solutions: Not noted Exposure vessels: Not given. Numberofreplicates: 1 Numobfe fisrh per replicate: Not given. Numberof concentrations: five plus a blank control
Water chemistry during the study: PH range (0-96 hours): 7.0 -7.0 (control exposure)
000987
6.7- 6.9 (750 mg/L exposure)"
`Temperature range (0-96 Dissolved oxygen range
(h0o-u9r6s)h:our6s9)-: 70
F
43..7945..86 mmgg//LL ((c7o5n0trmogl/eLxpeoxspuorseu)re)*
*be7c5a0usmeg/thLe(hsiegchoensdt hcoingcheensttrcaotnicoenntursaetdiorne)suelxtpeodsiunrteotvaallmuoerstaulsiteydat 72
hours.
RESULTS
Nominal Element
concentrations: values: 96-hour
Bk control, LC50 = 300
m1g0/0L,.250,
500,
750,
and
1000
mg/L
Element values based on nominal concentrations
Remarks: Substance
Testing was conducted on Remarks field. The values
the mixture as described in the Test reported applytothat mixture and not
the fluorochemical proportion alone.
CONCLUSIONS
The test sample 96-hour LCso for fathead minnow was determined to be 300
mg/L.
Submitter: 3M Paul, Minnesota,
C5o5m1p3a3ny,
Environmental
Laboratory,
P.O.
Box
33331,
St.
DATA QUALITY
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lacks record test sample.
of methodology used Test solutions were not
aflnuaolryozcehdemfiocrtaelsptrsopuobrsttiaonncien
concentrations the solution.
and
confirmationofthe
amount
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REFERENCES
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AQUATIC TOXICITY MORK SHEET
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Material Tested
Test Organism__ FatheadMinnow,
Avg. Weight 23
Size "2 che
Toate stared 17-75
Date Completed
[-)1-75
2 Time Started,
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Plotted LCgy
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