Document qdapL4BLeep4rdYy09nyXwEKk

AfLRa.6 _ 0&3i BIODEGRADATION (BOD/COD) TEST SUBSTAN CE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3). Rem arks: The 3M production lot number was not noted. The test sample is FC-201AF. Current information indicates it is a mixture of 3% PFOS, 18.59% diethylene glycol butyl ether, 37.81% water, 14% ethylene glycol, 8.25% Acrylic foamer, 9% sodium octyl sulfate, 0.3% sodium lauryl sulfate, 3% triethanolamine, 6% sulfonated alkyl ether salts, and 0.05% tolyltriazole. The following summary applies to a mixture with incompletely characterized concentrations o f impurities. Data may not accurately reflect the biodegradability of the fluorochemical component o f the test sample. METHOD:____________________________________________________ Method: Not noted Type: Aerobic GLP: No Year completed: 1995 Contact time: 5 days Inoculum: Source not given. R E S U L T S _________ Chemical Oxygen Demand (COD): 901,000 mg/L Biochemical Oxygen Demand (BOD): 5-Day: 570,000 mg/L C O N C L U S IO N S _______________________________________________ No conclusions given. Submitter: 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 000174 is not property characterized and the study lacks analytical confirmation of the amount of fluorochemical proportion in the solution. R EFER EN CES________________________________________________ The studies were conducted by MDS Environmental Services Limited, Ontario, Canada at the request of the 3M Canada Incorporated, London, Ontario, Canada, work order number 24135,1995. O T H E R ___________________________________________________ _ Last changed: 6/26/00 000175 M A Y -24-3S 10 I 34 FROM. ENVIROCLEAN ID. B198968 3 74 MEnDvSironmental Services Limited Certificate ofAnalysis CHent(1368) 3H Canada Incorporated. London P r o je t N um ber: 1 AttanUonCallna Barlnshtcyn : W ort O rder: 24135 #C lie n t R e i. tem pi# Tm I RM lIlt R e p o r t^ - M a y -95 P u rch a ae Order:$036897CHG D e le R eeelve*l:28-A pr-9b Sam ple T y p t !quid Units MOL Commsnt PAGE 96-AOO9906 95-A009987 Sample Description J C.O.D. Total BOO . Total 901000 570000 Sample Description: Test Foam C.O.D. Total BOO . Total 798000 620000 Date & Tine Sampled: m g/l ng/L io 2 Date & Time Sainted: ng/L mg/L 10 2 B . O . D uuas T 4 c5 ~ K _ N O MM. MethodPatyMyi Uiwlt 921 Uatharne St., LONDON, Ontario, Canada NSZ3M7 Tel.: (519)686-7588 FAX: (519)586 5874 000176