Document zda6Y8wnrXNjy4VNOVre9wdvm

Aft. 2.S L & - 0711/ 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-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 does not accurately reflect the degradation potential of the fluorochemical component of the test sample. METHOD:____________________________________________________ Method: COD by EPA 410.1 and CBOD by EPA 405.1 Type: Aerobic BOD and Dichromate Reflux COD GLP: No Year completed: 1991 Contact time: 20 days Innoculum: Source not given RESULTS___________________________________________________ Chemical Oxygen Demand (COD): 1,100,000 mg/kg Carbonaceous Biochemical Oxygen Demand (CBOD): 5-Day: 630,000 mg/kg 10-Day: 880,000 mg/kg 20-Day: 1,100,000 mg/L Remarks: Testing was conducted on the mixture as described in the Test Substance Remarks field. The values reported apply to that mixture and not the fluorochemical proportion alone. CONCLUSIONS_______________________________________________ No reliable conclusions can be derived from these studies. The indication is that the majority of the product components are readily biodegradable. Submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133 000501 DATA QUALITY Reliability: Klimisch ranking = 3. The inoculum is not properly characterized. The testing was conducted on a mixture with chemicals having varying degrees of biodegradability, leading to potential misinterpretation of the results. The sample purity was not properly characterized and the study lacks analytical confirmation of the amount of fluorochemical proportion in the solution. REFERENCES________________________________________________ The studies were conducted by Pace Incorporated, Minneapolis, MN at the request of the 3M Company, 3M Lab Request number J2176, 1991. OTHER ______________________________ =_____________________ Last changed: 6/27/00 000502 August 13, 1991 REPORT OF LABORATORY ANALYSIS BEST COPY AVAILABLE Mr. Hade Schell 3M Environmental Laboratory 935 Bush Avenue Bldg. 2-3E St. Paul, MN 55133 RE: PACE Project No. 910711.501 J2176 Dear Mr. Schell: Enclosed Is the report of laboratory analyses for samples received July 10, 1991. If you have any questions concerning this report, please feel free to contact us. Ifull n H I n w ii ( r lf)l~ n n m n ^ ifl^ M a titia m B lI f-s it .1 . t ; ir <r ' - 1t 5 * " . 1 - l-v./ "i-V ;t iv b *v * .<*-I..' t' *,, ' - . * -Jy v . .. - - ^ j . ' - > *X V* -, r... i '. "-p. , -V 1 f* V'* w' . : 9710 Oan#aa M m Nanh MM MiMh. MM W ill TEL Ifl- C M - M il ;C \f U t : 112 5291177 r-y W .. i- OffcM Safth M inntM ti Chariatta, North Cortina --, f IV y ii FMINI .-'Iv-'.: . A *tvN t, North Caroint Ya ". - - ' InCUT. fe * i 1 an franciiea, Cailnrnia Naw Tori, Naw Tork PMUburth, ftnntytvaraa i V 1Kantat CMy, Miaaauri Darnrar, Cotorado -.^y^r.->.,.-Vi *V! .- A U l* * .*. , & * *1*,9 / 4 V >. V -'1V .:'-, v*,, . .* , . An Equal Opportunity Eaptoyar r''' : -v - :r S".r .. v r.-- -' ` w 000503 lui k t u t C t O' Q u i i ' Mr. Hade Schell Page 5 J2176 PACE Sample Number: Date Collected: Date Received: Parameter REPORT OF LABORATORY ANALYSIS August 13, 1991 PACE Project Number: 910711501 Uniti 10 0245070 07/09/91 07/10/91 m _ J2176-5___ DATE-ANALYZED & HETHQQ INDIVIDUAL PARAMETERS Biochemical Oxygen Demand, Carb 05 Day Biochemical Oxygen Demand, Carb 10 Day Biochemical Oxygen Demand, Carb 20 Day Chemical Oxygen Demand mg/kg mg/kg mg/kg mg/kg MDL Method Detection Limit 6000 6000 6000 50000 630000 880000 1100000 1100000 07/19/91 07/19/91 07/19/91 07/25/91 EPA 405.1 EPA 405.1 EPA 405.1 EPA 410.1 BEST COPY AVAILABLE lNCQiE0>*t|0 ' * I * t fu i C t 9 Ou * i <> Hr. Hade Scholl Page 6 J2176 PACE Sample Number: Date Collected: Date Received: EAramfiLter INORGANIC ANALYSIS INDIVIDUAL PARAMETERS Biochemical Oxygen Demand, Carb 05 Day Biochemical Oxygen Demand, Carb 10 Day Biochemical Oxygen Demand, Carb 20 Day Chemical Oxygen Demand REPORT OF LABORATORY ANALYSIS August 13, 1991 PACE Project Number: 910711501 Uoiti 10 0245089 07/09/91 07/10/91 HDL J i u y ___DATE ANALYZED & METHOQ mg/kg mg/kg mg/kg mg/kg 6000 6000 6000 50000 390000 830000 890000 1000000 07/19/91 07/19/91 07/19/91 07/25/91 EPA 405.1 EPA 405.1 EPA 405.1 EPA 410.1 MDL Method Detection Limit These data have been reviewed and are approved for release. Starla Enger Inorganic Chemistry Manager BEST COPY AVAILABLE 000505