Document e7nZpJbY8REn5rx3MnQqZdRrM
BIODEGRADATION (BOD/COD)
TEST SUBSTANCE
Identity:A mixturecontainingperfluorooetanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-783. (1Octanesulfoniaccid)(CAS # 2795-39-3).
Remarks: The 3M productionlotnumber was notnoted. The testsample isFC-783 (cc784-1).Currentinformatioinndicatesitisa mixtureof 1.0% PFOS, 2.0% Sultonefoamer,2.3% sodium octylsulfate1,.6% polyoxyethylenemonooclylphenol ether,0.1% sodium laurylsulfate2,5.0% diethyleneglycolmonobutyl ether,0.05% tolytriazolaen,d 67.95% water.
The followingsummar ,yapplies to a mixture with incompletely charactedzed concentrations of impuildes. Data may not accurately
reflectthe biodegradabilityof the fluorachemical component of the test sample.
METHOD:
Method: Not given. Type: Aerobic GLP: No Year completed: 1979 Contacttime:20 days
lnnoculum: Secondary influenctollectedfrom the Metro Wastewater Treatment Plant,St.Paul,MN
RESULTS
BiochemicalOxygen Demand (BOD): 5-Day: 13-Day:
20-Day:
190,000 mg/kg 470,000 rrQ/kg 560,000 mg/kg
CONCLUSIONS
No conclusionsgiven.
Submifter: 3M Company, EnvironmentalLaboratory,P.O. Box 33331, St. Paul,Minnesota,55133
DATA QUALIT'Y
ReliabilitKyJ:imischranking3. Study lacksdescriptioannd recordsofthe method followed.The inoculumisnot properlycharacterized.Sample purity
was not propedy characterizedand the studylacksanalyticaclonfirmationof the amount offluorochemicalproportioninthe solution.
REFERENCES This studywas conducted by the 3M Company, EnvironmentalLaboratory,St Paul,MN, Lab Request number 4896S, 1979.
OTHER
Lastchanged: 6/26/00
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