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ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfbnatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-3031. (1Octanesulfonicacid)(CAS # 2795-39-3). Remarks: The 3M productionlotnumber was 2. The testsample isFC3031. Currentinformationindicatesitisa mixtureof0.96% PFOS, 20% diethyleneglycolbutylether,62.11% water,10% ethyleneglycol,1.92% propane sultonefoamer,2.02% polyoxyethylenemonooctylphenylether, 2.88% sodium octylsulfate0,.06% sodium laurylsulfatea,nd 0.05% benzotriazole. The following isan abbreviated summary of muldple fathead minnow studies on FC-3031, Lot L These studies apply to a mixture with incompletely characterized concentrations of impurities.Data may not accurately retlectthe toxicityof the ffuorochemical component of the testsample. METHOD: Method: Not given. Type: Acute static GLP: No Year completed: 1976 Species: Pimephalespromelas Supplier.Not given. Analyticalmonitoring: Not given. Exposure period: 96-hours Statisticamlethods: LC50valuesdeterminedby graphicinterpolation. Testfishage: Juveniles Length and weight: Average length 48 - 50 mm Average weight 1.4- 1.5g (wet) Loading: Not given. Pretreatment:None. Test conditions: Dilutionwater: Aeratedcarbonfilterewdellwater Dilutionwater chemistry: Not given. Lighting:Not given. Stock and testsolutionpreparation:Not given. Concentrations dosing rate:Once Stabilitoyf the testchemical solutions:Not noted. Exposure vessels: Not given Number of replicates:1 Number of fishper replicate:20 pertestsolutionforone study.Not given forremainingstudies. Number ofconcentrationsf:iveplusa blankcontrol Water chemistryranges duringthe studies: pH range (0-96houm): 7.2- 7.4(controelxposures) Temperature range (0-96houm): 21 -22 OC (controelxposures) Dissolvedoxygen range (0-96houm): 5.0- 9.2mg/L (controelxposures) RESULTS Nominal concentrations: Blank control,100, 250, 500, 750, and 1000 nig/L fortwo studies(7/6-1Of76,7/27-31/76).Blank control2,50, 500, 750, 1000, and 1250 mg/L forone study (7/20-24/76).Blank control,100, 180, 320, 560, and 1000 mg/L forone study (8/10-14f76). Element values: 96-hour LCw range = 560 - 800 mg/L Element values based on nominal concentrations Remarks: Testing was conducted on a mixtureas described inthe Test Substance Remarks field.The values reportedapply to thatmixtureand not the fluorochemicalproportionalone. CONCLUSIONS The testsample 96-hour LC50 range forfathead minnow was determined to be 560 to 800 mg/L. Submitter: 3M Company, Environmental Laboratory,P.O. Box 33331, St. Paul,Minnesota, 55133 DATA QUALITY Reliability:Klimischranking 3. Testing lacksrecord of methodology used. There isa lackof charactedzabon ofthe testsample. Test solutionslack analyticaclonfirmationof the amount offluorochemicalproportioninthe solution. REFERENCES These studieswere conducted by the 3M Company, Environmental Laboratory,St.Paul,MN, 1976. OTHER Last changed: 6/26/00 740101 ENVIRONMENTAL ENGINEERING LABORATORY AQUATIC TOXICITY WORK SHEET Type Test 96 Hours - Material Tested Test Organism Fathead Minnow Avg. Weight Date Started Date Completed Time Started o -z9b,I Plotted LC,, Dilution Water Carbon Filtered - Well Water Size 7ZZL,7)Z Cone. 24 hrs % D.0 Survival pH ppm 48 hrs % D.0 Survival pH ppm 72 hrs % D.0 Survival pH ppm 96 hrs % D.0 Su;vival. pl@,@,:-'ppm Control 106 1'7S.'6i1 too -ZT q'@ Ie)c::5 @O)o /I.V:%rzr./ 7,a S:@I ioo 7.-@- sol k oo 7,2- @oo loo 7,2-@42-1 too -7, loo -7d.4tl @oo 1, 4,d /oo 1,z- @:() (Do 7-1 loo'17L, loo 7.t @C)o 7.C) 7o toe) 7,fl,(3 4p -z1,4,C> 701 si-o1 4 ri 17,o4,-@- --20 7,o4.Q) 0 7v @,q Average Temperature cl L Coments: LC Calculation so T+ @4:F7- up 100 10 20 .30 40 50 60 @70 80 90 100 Survival 740101 ENVIRONMENTAL ENGINEERING LABORATORY AQUATIC TOXICITY WORK SHEET Type Test 96 Hours - Material TestedFc:- Test Organism Fathead Minnow Avg. Weight Date Started 712ol76 Date Completed Time Started --2@ Plotted LCS-0 Dilution Water Carbon Filtered - Well Water -o3z. Avg. Size 712-4 1 A liAc, Conc. 24 hrs % D.0 Survival pH ppm 48 hrs % D.0 Survival pH ppm 72 hrs % D.0 Survival pH ppm 96 hrs % Survival D.0 ph_@ppm Control loo -7.@"2 -7,1 -7. @@l Ioc) 7,t too -7-o '5.0-loo '7.613.o k(3o 7,o qS goo too 7,i '5.S. Io c) 7,o !@o@*. oc) 7.o4.7 7,oq,si too 7,o !5.z 65 7,o 4,(@ 4.1 0 7,0 5.0 0 @5.47.5 0 -701, Soo 0 6.q S Average Temperature Comments: LC Calculation 1000 . so - - V" IT 0 u .-1 -4 7 0 10 20 @30 40 so 60 70 80 90 100 Survival 740101 ENVIRONMENTAL ENGINEERING LABORATORY AQUATIC TOXICITY WORK SHEET Type Test 96 Hours - Test Organism Fathead Minnow MaterialTested GD*bOdW" Avg. Avg. Weight Size Date Started -7/2-7/26 - Date Completed Time Started - Plotted LCS Dilution Water Carbon Filtered - Well Water 2-/6 Conc. 24 hrs % D.0 Survival pH ppm 48 hrs % D.0 Survival -pH ppm 72 hrs % D.0 Survival VH ppm 96 hrs % D.0 Survival pH ppm Control -6,7.[oo -Z-6s, loo 7-@ loo -7, 7,2-6.2-1 tC)b 7,2 C7 ivo 'Z2 loo 7, D-@@r) kc)o -z2 6.ol 10o 7.o r.> S-1 loo '71. S' 7-2- @-c.'- loo 7.0 6-al too 7-o Cl loo 7-0 S.-D ioo Zc,/L4.RI 0 1 @OD 6.7,6,o 90 i7.o 9,-Olgo 7.0 4,g 6o 7.14 0 5.0 0 Average Temperature a I ci Coments: LC so Calculation 400 -47-:F cis 0 -4- i-4 4I T -T t IOD 0 10 20 .30 40 so 60 70 80 90 100 Survival 740101 ENVIRONMENTAL ENGINEERING LABORATORY AQUATIC TOXICITY WORK SHEET Type Test 96 Hours Material Test4@- Test Organism Fathead Minnow Avg. Weight Date Started 421 ILI Z6 Date Completed Time Started f AOI", PlottedLC Dilution Water Carbon Filtered - Well Water C .. o -2:1-k ASvigze Cone. 24 hrs % D.0 Survival pH ppm 48 hrs % D.0 Survival pH ppm 72 hrs % D.0 Survival pH ppm 96 hrs D.0 Survival pH ppm Control z@.e @e)e) -@or3 '7P e-31 te0) -7.0 @()O 7@o 4.q 7.0 @C6 o , \00) 7.o 4.6 j(Do -40 6.ol t,@6c> 7.01 -11 4 toD Ze)4s @oo 4c 6.q @.t I E;b 7.6 kvm o 6.Iqso o C) Average Temperature Comments h@z 41 S482.)A49. tV LC so Calculation @oo .0 14 -E 41 -@.--4- 4 0 7 7'-,:- -7 @-r r- --T t-t -1144 f T@ T 10 0 10 20 .30 40 so 60 70 80 90 100 Survival