Document byXLY7Bkp6wRx9Q7Qv10aey1D

AR Q26 - 0760 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IESTSUBSTANCE Identity: Mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95,oras a component of FC-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3). Remarks: The 3M production lot numberwas 101. The test sample is FC203CF. Current information indicates it is a mixture of 1% PFOS, 20% diethylene glycol monobutyl ether, 70.2% water, 2.75% Acrylic foamer, 3% sodium octyl sulfate, 19% triethanolamine, 2% sulfonated alkyl ether saits, and 0.05% tolyltriazole. The following summary applies to a mixture with incompletely characterized concentrationsofimpurities. Data may not accurately reflect toxicity of the fluorochemical componentofthe test sample. METHOD: Method: OECD Guideline 203. TGyLpPe:: NAocute static Year completed: 1991 Species: Supplier: PAiqmueatpihcalReesseparrocmhelOarsganisms, Division of Resource Analysts, Inc., Hampton, NH. Analytical monitoring: Temperature, pH, conductivity, and dissolved oxygen. Exposure period: 96-hours Statistical methods: No calculations performed, based on study results. Test fish age: Juveniles Length and weight: Average length = 34 mm Average weight = 0.23 g (wet) - Loading: 0.15 g/L Pretreatment: None Test conditions: Dilution water: Filtered natural well water DilutioHnawradtneerssc:hemistr8y0:mg/L as CaCOs CpoHn:ductivity: 87370 pmhos/cm - Lighting: Cool-white fluorescent and 8 hours dark was maintained lights. A daily photoperiod of 16 throughout the testing period. hours light Stock and test solution preparation: The test material was added directly to the dilution water on a weight/volume basis. 001217 Concentrations dosing rate: Once. SEtxapboilsiutryeofvetshseetless:t c2h0eLmigclaalsssaoqluuatriioans(:40Nxo2t0xno2t5edc.m) containing 15 L of test sNoluu tionmaonfdrbeapnlieacpaptr reosx:im2ate water depth of 18 cm. Numberoffish per replicate: 10. Numberof concentrations: five plus a blank control Water pchHemriasntgrey(d0-u9r6inhgoutrhse):study: 7.1-7.7 (control exposure) 7.57.7 (1000 mg/L exposure) Temperature range (0-96 hours): Conduc2ti1v8it-y2r2a7ngeC(0-96 hours): 883500 ---- 981500 upmmhhooss//ccmm ((c1o0n0tr0omlge/xLpoesxuproes)ure) Dissolved oxygen range (0-96 hours): 62.5858-.815 mmggl/LL ((c1o0n0t0rolmge/xLpoesxuproes)ure) RESWts Nominal concentrations: Blank control, 150, 250, 400, 600, and 1000 mg/L Element values: 96-hour LCs =>1000 mg/L Element values based on nominal concentrations 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 00000000 `>T1h0e0t0esmtgslaLm.ple 96-hour LCsq for fathead minnow was determined to be - Submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133 patAQuAuTY tReesltiianbgi.litHyo:weKvleirm,istchhersaankmipnlge=pu2r.itTyewsatisngnomtepertospetrhley ccrhiaterraicatfeorriqzueadliatnyd the study lacks analytical confirmation of the amount of fluorochemical proportion in the solution. 001218 R0 EFERENCES0 ~~ 0 ~ 00 This test was conducted by EnviroSystems Division, Resource Analysts, Incorporated, of Hampton, NH at the requestof the 3M Company, St. Paul, MN, Lab Request number J1884-3, 1991. omer 000 Last changed: 6/28/00 001219 fi Le Ree TE TH be ay |=Se BEST COPY AVAILABLE : MR } He otrie nL `Timothy J. 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