Document YjKj06JNR3Gw5B5DX9MeoampO
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MICROBICS M ICROTOX TO XICITY TEST
TEST SUBSTANCE_______________________________________________
Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).
Rem arks: The 3M production lot number was not noted. The test sample is F X -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 sultone foamer, 0.03% sodium lauryl sulfate, and 0.1% benzotriazole.
The following summary applies to a mixture with incompletely characterized concentrations o f impurities. Data may not accurately reflect the toxicity o f the fluorochemical component o f the test sample.
METHOD:________________________________________________________
Method: Microbics Microtox "BASIC* Procedure Test type: Static acute GLP: No Y ear Com pleted: 1985 Species: Photobacterium phosphoreum Analytical m onitoring: Not given. Exposure period: 30-minutes Statistical m ethods: EC50 values calculated by statistical linear regression program provided for Microtox Test organism source: Microbics' Reagent. Test conditions:
Diluent: Not given. Test tem perature: Not noted. Stock and te st solution preparation: Not given. Exposure vessels: 4 mL cuvettes. Num ber o f replicates: two Num ber o f concentrations: Four plus a blank control Elem ent basis: Percent light loss
RESULTS________________________________________________________
Nom inal concentrations: Blank control, 100, 250, 750, and 1000 mg/L
Element value:
5-minute EC50 = >1000 mg/L 15-minute EC5088 >1000 mg/L
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Element values based on nominal concentrations.
Rem arks: Testing was conducted on a mixture as described in the Test Substance Remarks field. The values reported apply to that mixture and not the fluorochemical proportion alone.
C O N C L U S IO N S ___________________________________________________
The test substance 15-minute EC50 for Photobacterium phosphoreum was determined to be >1000 mg/L.
Subm itter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, MN, 55133
DATA QUALITY__________________________ _
_________________
Reliability: Klimisch ranking 3. Study lacks description and records of the method followed. There is no characterization of the test substance purity, and the study lacks analytical confirmation of the amount of fluorochemical components in the solution.
REFERENCES____________________________________________________
This study was conducted by the 3M Environmental Laboratory, St. Paul, Minnesota, Lab Request number C 1111-2,1985.
OTHER_______________________________________________ ____________
Last changed: 6/26/00.
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