Document RaZMb4q4nRamo5kgXwjROgmX8
I A6 _ 0736
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-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% diethylene glycol butyl ether, 67.85% water, 2.66% Sultone foamer, 3% sodium octyl sulfate, 0.1% sodium lauryl sulfate, and 0.05% totyltriazole.
The following summary applies to a mixture with incompletely characterized concentrations o f impurities. Data may not accurately reflect tee biodegradability o f tee fluorochemical component o f the test sample.
METHOD:____________________________________________________
Method: Not noted. Type: Aerobic GLP: No Year completed: 1975 Contact time: 20 days Inoculum: Source not given.
RESULTS
_______ ______________________________________
Total Organic Carbon (TOC):
121,000 mg/L (calculated)
Chemical Oxygen Demand (COD):
648,000 mg/L
Biochemical Oxygen Demand (BOD): 5-Day:
10-Day: 15-Day: 20-Day:
72,000 mg/L 407,500 mg/L 405,000 mg/L 427,500 mg/L
CONCLUSIONS_______________________________________________
No conclusions given.
Subm itter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133
000305
DATA QUALITY Reliability: Klimisch ranking 4. Values from a summary sheet only. Study lacks description and records of the method followed. The inoculum is not properly characterized. There is no characterization of the test substance purity and the study lacks analytical confirmation of the fluorochemical concentration in the solution. REFERENCES___________________________________________ _ The studies were conducted by the 3M Company, Environmental Laboratory, St. Paul, MN, Lab Request number 2543,1975. OTHER__________________________________ _ ______________ Last changed: 6/26/00
000906
Ref: EN VIR . ASSESS. 1NQ. H PRODUCT:
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PRODUCT ECOLOGICAL ASSESSMENT REQUEST FOR LABORATORY WORK
DIVISION
LAB REQUEST NO.
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REQUESTER
Name: P x Ct \ n i`) C c > __________ Phone No.
Request Date:. f i / n .... Project No.: *7.3I-___l~__)__U_-_C_>____
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Date Needed:
Description:____________________ Purpose of Tests:.
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LABORATORY
Date Received Sample: -- Analyst:_______
Date Completed:.
Hours Spent:___
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PHYSICAL & CHEMICAL PROPERTIES
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