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48-HR 94-X (Li ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.,DAPHNIA) TEST SUBSTANCE Identity:PerfluorooctanesulfonaLtiet,hiumsaltm;ay alsobe referretdo as PFOS LisaltF,C-94,orFC-94-X. (1-Octanesulfonaicid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecalfiltuhoiruosm-a,lt, CAS # 29457-72-5) Remarks: The testsample isa mixtureofthetestsubstanceinwater (approximatel2y4.5% testsubstanceand 75.5% water).No calculations were made to adjustfortheactualconcentratioonfthetestsubstancein the testsample-. METHOD Method: Not noted. Test type:Staticacute GLP: No Year Completed: 1994 Species:Daphniamagna Analyticalmonitoring:pH and DO content Statisticamlethods: EC50valuescalculateudsingTrimmed Spearman- Karber method Test daphnid source: Obtainedfrom U.S. EPA-NETAC, Duluth, Minnesota. Test daphnid age at study initiation<: 24-hours Test conditions Dilutionwater.-Carbon-filterweedllwater Dilutionwater chemistry: pH: 8.4 DO: 8.6 mg/L Stock and testsolutionspreparation:A primarystocksolution was preparedindilutiownatertoyielda testsample concentration of 1000 mg/L. Alltestsolutio'nwsere made by dilutintghe appropriataemount ofstocksolutiownithdilutiownaterto make 50 mL of solutionper concentratio.n. Exposure vessels:100 mL glass beakers containing50 mL oftest solution. Number of replicates4: Number of daphnids per replicate5: Number of concentrations:fiveplusa negativecontrol Water chemistry during the study: Dissolved oxygen attesttermination: 7.0 mg/L (controelxposure) 7.8 mg/L (1000mg/L exposure) pH attesttermination: 8.6 (controelxposure) 8.6 (1000mg/L exposure) Test temperaturerange (0- 48 hours) 20.1-2l.O."C Element basis:mortalitaynd immobilization RESULTS Nominal concentrations:Bk control1,00,180,320, 560,1000 mg/L Elementvalue:. 24-hourEC50 = 330 (290-370)mg/L 48-hourEC50 = 210 (190-230)mg/L 48-hourNOEC = 100 mg/L StatisticaElvaluation:The EC50 valuesand 95% confidenceintervals were calculatedusingtheTrimmed Spearman-Karber method withtrimset to 0%. Mortalitoyf controls:None Remarks: Values reportedareforthetestsample. No calculations were made to adjustfortheconcentratioonfthetestsubstanceinthetest sample. CONCLUSIONS The testsample containing24.5% PerfluorooctanesulfonatLei,thiumsalt exhibitead 48-hourEC5oforDaphnia magna of210 mg/L. Submitter: 3M Company, EnvironmentalLaboratory,P.O.,Box 33331, St.Paul,Minnesota,55133 ,DATA QUALITY ReliabilityK:limischranking2. Thisstudy,whilewellconducted,lacks analyticadlatafor determinatioonfthetestsubstance concentratioinnthe testsolutionsa;nd determinatioonfthe sample purity. REFERENCES Thisstudywas conductedby the3M Company, Environmental Laboratory,Lab Request number M1018, 2/10/94. OTHER Last changed: 5/2/00 TYPE TEST. sTAmc TEST SUBSTANCE.- ENVIRONMENTAL LABORATORY 48-HRACUTE TO)ACITYTO DAPHNIA,DAPHNIA MAGNA STATIC RENEWAL LR M ic)ir DILUMONWATER-. CARBON-RLTERED WELL WATER (3M WELL OZ ST. PAUL, MN) TEMP. tcktOC, pH ?,.,A D.O. %.16mgtl TEST DAPHNID SOURCE- U.S.EPA-NETAC, Duluth,Mn DATE RECEIVED-. Co C\Q DAPHBOD AGE.* c24 MR OLD NEONATES NO. OF DAPHNIDSITEST CHAMBER: 5 LOADING RATE-' TESTSOLunON Cil-k DATE lNfflATED:.;@L-?,- VOLUME.- 60 rnL sra OF TEST VESSELS: 100 mL DATE TERMINATED-. 'Q-tO-CM IL IH;,g- TEST" VESSEL SK1 MQ SK3 SK4 INITIAL TOTAL CONC. AMOUNT mg/L ADDED* CONTROL CONTROL CONTROL CONTROL MORTALITY 24-HR t 48-HR PH I 01 0 0. 0 0 D.O. I mg/L 1.1 IQCJ 0 1.2 1.3 1.4 2.1 %%C) 2.2 2.3 2.4 -SaQ Cr,'A cr, 3.2 LA &3 &4 4.1 SCOO 4.2 4.3 4.4 % It-aL COMMENTS ANALYST.- 5.1 %cx@l@ zoo 5.2 &3 &4 TEMP. OC IDATE / ANALYST a-ct-qLA ECSO (96% C.L)mg/L 0 C)o cgsIL lettCN,.rr-\c t@-- C-Ot\C.- 16z\C\ . w C@Z ENVIRONMENTAL LABORATORY LFLDate: Analyst: MIOIS 2/8/94 JBD Daphnis magns 48-hour ToxicityTest Data Summary SAMPLE: FC-94-X SampleConc. (mg/L) 100 180 320 560 1000 No.Organisms Emosed 20 20 20 20 20 % lmmobirmed 0 24 hours 48 hours. 0 0 0 25 45 100 100 100 100 100 24'h ECSO (95% C.I.)= 48 h EC50 (95% C.I.)= 330 mg/L (290-370) 210 mg/L (190-230) ECSO Estimation Method: Tdmmed Spearman-Karber 24 h: 0% trim 48 h: 0% trim <1 ee"v I..-,:RLINGTONRESEARCH. IN- TRIMMED SPEARMAN-KARBER'@ETluOD FOR CALCULATION OF Et'-'50AND LC50 VALUES IN BI.3ASSAYS .FOR REF;=RENCE. CITE M.A. HAMILTON. r@%.C. RUSSO, AND R.V. '@-HURSTON. TRIMMED-SPEARMAN-KARBER METHOD * FOR ESTIMATING LETHAL CONC@-'NTRATIONS IN TO'A'@l,--ITYBIOASSAYS. ENVIRON'. SCI. TECHNOL. llC7) 714-719 CORRECTIBN 12(4) 417 (11?78). 1977. t4EDIAN DP-TE TEST CHEi'o,1 CAL -2/.9/94 -M 1.n_I-a FC-9-"t-vA SPEC IES 0. "ona DURATION 24-'hours! RAW DA"'t-A CONCEN'IRATICN(ma-/L) 100.00 l@M0.00 320.00 560.00 1000.00 NUMBER EXPOSED 20 20 20 2r@, -20 MORTALITIES 0 0 9 20 20 SPEARMAN-KARBER TRIM 0.0;) SPEARMAN-KARBER ESTIMATES eC50 32t@.9162.@C.92 95% LOWER CONFIDENCE 289.02 95% UPPER CONFIDE@.ICE 372.05 ------------------------------------------------------------------------------- QURLINGTON RESEARCH..INC, Trimmed Soearman-Karber Method for Calculati..jn ai EC50 and LC50 Values in Bioassays E. x x 6.044E .3 x N x .3 a 4.3,A'7E N .1 0 2.:@@!90E .3 1.726E 3634E 3 ODODDDEDDDDDDDDEDDDDDDDDDDDDDDE.DDDDDODDVDDDVDEDDDDDD,T)ODDDDDDE LCIO LC25 LC50 LC75 Ltr"100 MORTALITIES rc -EST CHEMICAL 2/8/94 M.1ole FC-94-X SPECIES 0. macna. DURATION .4e@---hours-i RAW DATA CONCENTRATION(ma./L) 4L(."i,"",.00 120.00 320.00 560.00 1000.00 NUMBER EXPOSED 20 MORTAL-JTTIES 0 SPEARMAN-KARB=-R TRIM 20. 20 20 20 5 .20 --0 20 .0.0c) SPEARMAN-KARBER EST'LMATr@-S ec!-:.o 207.5236053 95% LOWER CONFIDEN"-'E 185.42 95% UPPER CONIFIDENCE 232.26 -------------------------------------------------------------------------------