Document dQ6peOGOXO4KYe6xb591J3LJQ
M M 6 - 0175
BIODEGRADATION (BOD/COD)
TEST SUBSTANCE________________________________________________
Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-783. (1Octanesulfonic acid) (CAS # 2795-39-3).
Rem arks: The 3M production lot number was not noted. The test sample is FC-783 (cc784-1). Current information indicates it is a mixture of 1.0% PFOS, 2.0% Sultone foamer, 2.3% sodium octyl sulfate, 1.6% polyoxyethylene monooctylphenol ether, 0.1% sodium lauryl sulfate, 25.0% diethylene glycol monobutyl ether, 0.05% tolytriazole, and 67.95% water.
The following summary applies to a mixture with incompletely characterized concentrations o f impurities. Data may not accurately reflect the biodegradability o f die fluorochemicai component o f the test sample.
M E T H O D :________________________________________________________
Method: Not given. Type: Aerobic GLP: No Year completed: 1979 Contact time: 20 days Innoculum: Secondary influent collected from the Metro Wastewater Treatment Plant, St. Paul, MN
RESULTS____________________________________________________
Biochemical Oxygen Demand (BOD): 5-Day:
13-Day: 20-Day:
190.000 mg/kg 470.000 mg/kg 560.000 mg/kg
C O N C L U S IO N S
No conclusions given.
Subm itter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133
DATA QUALITY___________________________________________________
Reliability: Klimisch ranking 3. Study lacks description and records of the method followed. The inoculum is not properly characterized. Sample purity
002585
was not properly characterized and the study lacks analytical confirmation of the amount of fluorochemical proportion in the solution. REFERENCES____________________________________________________ This study was conducted by the 3M Company, Environmental Laboratory, St Paul, MN, Lab Request number 4896S, 1979. O T H E R __________________________________________________________ Last changed: 6/26/00
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