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MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY TEST)
IESTSUBST~A ~~ NCE
Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS# 2795-39-3).
Remarks: The 3M production lot number was not noted. The test sample is FC-203. Current information indicates it is a mixture of 1.34% PFOS, 35% diethylene glycol butyl ether, 37.85% water, 20% ethylene glycol, 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 characterized concentrations of impurities. Data may not accurately reflect inhibition by the fluorochemical componentof thetestsample.
METHOD:
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Method: Not noted. GLP: No Year completed: 1973-1974 Analytical monitoring: % Transmittance Statistical methods: Results were determined by calculation of the % transmittance and comparison with the blank. Test organism source: Not given Contact time: Not given.
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Nominal concentrations: Blank control, 0.01, 0.1, 0.5, 1, 5, and 10% conc. Element values: Not given.
CONCLUSIONS
-
No conclusions given.
Submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133
pataQuALY
Reliability: Kiimisch ranking = 3. Study lacks description and recordsof the method followed. Sample purity was not properly characterized and the study lacks analytical confirmation of the amoo ffluucrocnhemitcal proportion in the solution.
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Last changed: 6/27/00
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