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ST-310 ToxDocs 10-195 TOXICOLOGY ASSESSMENT AND COMPLIANCE ASSURANCE GROUP 3M COMPANY 10-195: ORAL STUDY OF MTDID 208 AND MTDID 1004 IN MALE RATS FINAL REPORT ToxDocs Study Number 10-195 Test Material MTDID 208 Lot Number(s) MTDID 1004 217 (MTDID 208) Strategic Tox Lab Study Number | 332 (MTDID ST-310 1004) Other Identification Number(s) | K'PFOS (MTDID 208) NH;"PFOA (MTDID 1004) 19F/TH-NMR GID Number Analytical Report | See Appendices 1 & 2 for Certificate of Analysis Study Director Jill Hart, AAS, LATg Laboratory Administrator Principle Investigator: (Study Monitor) John Butenhoff, Ph.D, DABT, CIH Corporate Scientist Testing Facility Tn-Life Start Date 3M Strategic Toxicology Laboratory 3M Center, Bldg 270, room SB314 Saint Paul, MN 55144 August 4, 2010 Tn-Life Termination Date October 4, 2010 Tof14 ST-310 "ToxDocs 10-195 TOXICOLOGY ASSESSMENT AND COMPLIANCE ASSURANCE GROUP 3M COMPANY 10-195: ORAL STUDY OF MTDID 208 AND MTDID 1004 IN MALE RATS Compliance Statement and Signature Page `This study was conducted to regulatory guidelines. for research and development purposes and does not conform `This final report has been reviewed and approved by: Jill'Hart, AAS, LATg SLtabuodryaDtiorreyctAodrministrator Dl 2. KZ John Butenhoff, Ph.D., DABT, CIH. Corporate Scientist Principle Investigator Date 17 oH 22h Date 20f 15 ST310 `ToxDocs 10-195 1 Summary p`Tehreflpuuorrpoooscetoafnteshuilsfosntautdey(wPaFsOtSo)eavnadlupaetretfhlueoarbosoocrtpantoiaotnec(hParFaOctAe)rifstriocms loofw-dose oral `AebxspoorsputrieounsoifngPbFoOtSh waantderPaFnOdAcwoamsoeilvaalsuavetheidcbley imneamsaulreiSnpgrtahgeuirecDoanwcelnetyrartaitso.ns inrat `serum at 4 hours and 24 hours after single oral administration ofeither K"PFOS (MTDID 208, 20 pkg and 1 mg/kg), NH,PFOA (MTDID 1004, 20 pg/kgand | mg/kg), or KPFOS andNH PFOA (20 ng/kg and 1 mg/kg) concurrently. Aslclheadtusleadppsetaurdeydtneromrimnaaltidounr.inAgttnheecsrtoupdsyy,ansdertuhmeraenwdalsivneor wmeorrtealhiatryveosctceudrraenddpsrtioorretdo frozen pending PFOS and PFOA concentration determination by LC-MS/MS. Rsoelguatridoln,esosroPfpFrOeSp/arPaFtOioAnm(iexittuhreer)a,s,stihnegluesePoFfOcSodmosoiinlgassovleuhtiiconl,e sgienngelrealPlFyOapApedaorseidngto ruseidnugcewautepr atsoavfebhkoictelhe.PFOS and PFOA in serum and liver in male rats when compared to 2 Study Objective `The purposeofthis study ws to evaluate the absorption characteristics of peexrpfolsuuorreooucstianngesbuoltfhownaatteer(PanFdOSc)oamnodilpearsfvleuhoircoloectiannmoaatlee(SPpFraOgAu)efDraowmlleoyw-radtos.se oral AsbesrourmpatfitoenroofraPlFKO'SPFaOndS P(FMOTADIwDas20e8v)alaunadtNedHb;yPmFeaOsAur(inMgTtDheIiDr c1o0n0c4e)niardamtiinoinsstriantion; cither separately or in combination. 3 Test Material Information 31 Test Substance i | Ee Chemical Name | Potassium Perfluorooctanesulfonate Other Identifiers |K*PFOS [pai [Deity Jeo [wa Stable under normal conditions June 2019 3ofl4 ST-310 ToxDoes 10-195 Characterization Handling Precautions Disposition [Cndensi_e--y_ 0 `The test material is assigned as MTDID 208 and its characterization is attached as Appendix 1 `The test article will be stored tightly sealed in its original container at ambient room temperature. Standard protective equipment will be used. Lab coats, gloves and eye protection will be worn whilehandling the test article. | wromness LTE ly `Any remaining unused test article will be kept in the Study Lo AS SRRI ER a Other Identifiers NH{'PFOA EE [BgimionDue Characterization Storage Handling Precautions Disposition 32 Dose Preparation 97.99% Stable under normal conditions [wme2os | `The test material is assigned as MTDID 1004 and its characterization is attached as Appendix 2. `The test article will be stored tightly sealed in its original container at ambient room temperature. Standard protective equipment will be used. Lab coats, gloves and eye protection will be worn while handling the test article. Any remaining unused test article will be kept in the Study Facility until expiration date. Dose Preparation Physical State of administered material Route of Administration `The test materials were dissolved in either water or com oil as 20 pg/mL or 1 mg solution. Liquid [Ol | 4of14 sT310 ToxDocs 10-195 4 TestSystem 41 Test System Information [Species TR [Stain Tsp [ `AgeS at Inio tiatiu onofr Treac tmente| 8[H--ar2l0anwLeaebokrsatories `Weight at Initiation of Treatment "Approximately 200-479 g TACUC Animal Usage Application Number 2U0n0i8q-u0e4t5a9il mark in indelible ink 42 Animal Husbandry DicVWater Housing Environment "cAalgleasnitmharlosugwheoruet gthreouspt-udhyouesxecdepitn dsuorliindg-buortitnoemand wfiecreesdcbooltletcotmiomnetinabwohliicshmrcatasgiwnegrefosriunrgilneehaonudsefdeciens ctoelrlmeicntaitoinonfotri2me4.hours prior to designated study | HMaardliasnoTne,kWlIad) Raantd/tMaopuwsaet2er01w8erDeieatva(iHlaarbllaenaTdekiad, libitum throughoutthestudy. Temperature Range 72 = 3F |Humidity Range 30 - 70% M12ihnoiumrulmiogfh1td0arekxccyhcalnegesofroom air per hour 5 Study Design Dose Group|Compound(s) | Vehicle teem Dosing solution | concentration| Dose Volume| N| Sex| Euthanasia 1 Ty 17 PFOS/PFOA hii [[r6o[PxFOSPFOA wie PFOS =o [8 proa water [9 [Prosproa ughg 20 ug/ml [33]] 20 ugo/nmtl. | iheg 1 20 ug/ml [3] mg 4hrs PD. 4hus rs PD 24 hrs PD Sofl4 ST-310 ToxDocs 10-195 #ros ; ~Hit 10_| pros 2 LE [IIPFOA__| comoil | op| 20ughml | op g [3] M| 24hsPD PFOS/PFOA [3] [3 [pros | 1 [15 [ProSProA oe | ii 1 mg/m; L i1E [3] 4hrsPD [1s [pros ; ; [18 [PPFFOOASPFOA gke 1 mg/mL. hy [19 Tpros7] [20Tproa | 1 1 mg/mL. 1 24hrsPD ["21_[ PFOS/PFOA sayy iis IF PPEFOOSA/PFOA wife 1mg/mL miei M| 24hrsPD Anlelcrroatpssywewrietheubtlhoaondi(zfeodrvsiearCumO);aansdphlyixvieartsicoonllaetctdeeds.ignated times followed by gross 6 Parameters Evaluated 61 Clinical Observations `Emaocrhalaintiymaanldwmaosrboibdsietryv.edAnimymneodtiaabtleelyfifnodlilnogwswinegredorseicnogrdaendd.throughout the study for 62 Body Weights Aalnldapnriimoraltso nweecrreopwseyi.ghed prior to treatment for the purpose ofcalculating dose volumes 63 Serum Collection cAotlleeuctthiaonnastiuab,esblwoiotdhowuatsanctoilcloeacgtueldvanita.thTeheabbdloomoidnsaalmapolretsa awnedretraalnlsofweerdedtotcolloatbfeolred15 to 3se0rmuimnuwtaesstartarnsofoemrrtedetmop1e.r7a-tmLuanrpdoelytphrenopcyelnetnreifmuigcerdoacten2t0r0i0fuxgegtfuobres15lambienluetdesw.itThahe.ube code and stored frozen at -70C pending analysis. 6.4 Gross Necropsy, Organ Weights and Tissue Collection Fwoelrleohwairnvgesetuetdhaannasdiath,eacgorrorsesspnoencdrionpgsywewiagshtpserwfeorremreedcoorndealdl.anAilmlalssa.mplLeivsewresraempsltoersed in afreezerset to maintain -70 Cforfuture analysis. No other tissues were collected. 65 Analysis 6of14 ST-310 ToxDocs 10-195 PFOS and MS/MS. PFOA concentrations were determined in all serum and liver samples by LC- 7 Statistical Analysis There were no statistical analyses performed on data collected in this study. 8 RawData `NTohteerbaowokda#ta1f5o4r82b3o,dypawgeeisgh7t8s,- o80r.gan weights and dosing volumes are recorded in 3M 9 Results 9.1 Clinical Observations CNloinmiocratlaolibtsieersvaotcicounrsrewderdeurnionrgmtahlistshtruoduyg,haolultratthse survived study. until scheduled necropsics 92 Body Weights and Organ Weights Body and the study. liver weightdataare presented in Table 1. All animals gained weight during 93 Gross Necropsy `There were no gross lesions or other abnormalities noted in any rats during necropsy. 94 Analytical Results PFOS and PFOA concentrations in serum and liver are presented in Table 2. 10 Discussion & Conclusion sRoelguatridoln,esosrofPpFrOeSpa/rPaFtOioAnm(icxittuhreer)a,s,stihnegluesePFofOcSodronsoiinlgassovleuhtiiconl,e sgienngclrealPlyFOapApedaorseidngto reduce uptakeofboth using water as vehicle. PFOS and PFOA in serum and liver in male rats when compared to Tof14 ST-310 Table 1: Body weight(BW)and liver weight (LW) data "ToxDocs 10-195 err] Emma See Ea a| EEEERs E arra maa Zomeh fomssrhae0]72m |222|223| ee] 8of 14 i ST-310 Table2: ~~ PFOS and PFOA concentrations in serum and liver "ToxDocs 10-195 =E ] l E E E ==E= e] EEE e E ESbeEbeEeS ~[| EBE = ell m i =e C ENE===l E =EiSE E E =imlEeeE nE eB t=Eee eii E SeE-Eee EEeE TC=1] Cl = BE E E = E --E H l oEE--EEF|EE E = E = =EE=EEEE [Gnoe--] Cham am] IC~ l] EE E=ellEEE ==E EEE C Ba -- [~]roamronconor jEE EE E e= rl]oE EF E -- = E Eo E EEn EE CCe1] EE E E E =]E -l Ee E E -- =EE==e E E 2EhsF| 9of 14 ST-310 ToxDocs 10-195 `Appendix 1: MTDID 208 Certificate ofAnalysis INTERIM CERTIFICATE OF ANALYSIS REVISION 1(9/7/00) Centre Analytical Laboratories COA Reference #: 018A 3M Product: PFOS, Lot 217 Purity: 86.9% Reference #: SD-018 023- Identification NR Metals (ICP/MS) Positive 1. Calcium 1. 0.005 wt/wt.% 2. Magnesium 2. 0.001 wt./wt.% 3. Sodium 4. Potassium' 3. 1439 wt/wt.% 4. 6.849 wtWL% 56.. NTirocnkel || 5. <W0.w001% 7. Manganese | 6. 0.005 wt/wt.% | 7. <w0t.0/0w1 t IMR) Er [| we (LC/MS) i (GC/MS) Tos| POAA 0.33 wt/wt.% Bw pe A) [PuritybyDSC [Not Applicable _| Inorganic Anions (IC) 21.. CFlhuloorriiddee 1. <W0.w015% 3. Bromide 2. 0.59 wt/wt.% 4. Nitrate 3. <0.040 5. Nitrite WL/WL% 6. Phosphate 7. Sulfate' 4. <0.009 wt/wt.% 100f 14 sT-310 Organic Acids (IC) 1. TEA 2. PFPA 3. HFBA 4. NFPA Elemental Analysis 1. Carbon 2. Hydrogen 3. Nitrogen 4. Sulfur 5._Fluorine ToxDocs 10-195 5. <0.006 WLW 6. <0.007 WLW% 7. 876wm% 1. <01 w/wt% 2. <0. wtiwtd% 3. 010 wt/w% 4. 028 w/w 1. Theoretical Value = 17.8% 1 1248 wiwe% 2. Theoretical Value = 0% 2.0244 Wiwt% 3. Theoretical Value = 0% 3174 ww% 4. Theoretical Value =5.95% | 4. 8.84 wt/wt% 5. Theoretical Value = 60% 5. 54.1 wtwt% lof 14 ST310 ToxDocs 10-195 INTERIM CERTIFICATE OF ANALYSIS Centre Analytical Laboratories COA Reference #: 023018A DateofLast Analysis: 08/31/00 Expiration Date: 08/31/01 Storage Conditions: Frozen <-10C Re-assessment Date: 08/31/01 F"lPuuorirtiyde=, 010.05%9%- +(sNuMmRofimmpeutraitlieism,pu1r.i9ti3e%s+,o1rg.a4n5i%c+aLciCd/iMmSpuriimtpiuersi,ti0es.,388.%4t1P%O+IAnAo,rganic 0.33%) Total impurity from alltests = 13.09% Purity = 100%- 13.09% = 86.9% Potassium is expected in this salt form and is therefore not considered an impurity. 3Purity by DSC is generally not applicable to materials of low purity. No endotherm was observed for this sample. "iSnuolrfguarniicn atnhieosnammepltehoadppceoanrdsittioonbse.coTnhveeratneidontoreSsOul;taangdrheeenscweelldewtietchtetdhuessiunlgfturhe determination in the elemental analysis, lending confidence to this interpretation. Based on the results, the SOy is not considered an impurity. TFA HFBA NFPA PFPA Trifluoroacetic acid Heptafluorobutyric acid Nonofluoropentanoic acid Pentafluoropropanoic acid "Theoretical value calculations based on the empirical formula, CsF17SO5K* (MW=538) "This work was conducted under EPA Good Laboratory Practice Standards (40 CFR 160). 12014 ST-310 ToxDocs 10-195 INTERIM CERTIFICATE OF ANALYSIS Centre Analytical Laboratories COA Reference #: 023018A LC/MS Purity Profile: -- T -- ET I SO ; 7E-- Note: The C4 and C6 values were calculated using the C4 and C6 standard calibration curves, respectively. The CS value was calculated using the average response factors from the C4 and C6 standard curves. Likewise, the C7 value was calculated using the average response factors from the C6 and C8 standard curves. Prepared By: David. Bell Date Scientist, Centre Analytical Laboratories Reviewed By: John Flaherty - ey eTDate Laboratory Manager, Centre Analytical Laboratories 130f14 ST-310 "ToxDoes 10-195 Appendix 2: MTDID 1004 Certificate ofAnalysis CERTIFICATE OF ANALYSIS March 2, 2000 FC-143, Lot 332 Richard M. Payfer `This sample was analyzed using GC/AED, LC/MS, "H-NMR, and GC/MS techniques. c`Tohmeporsesiutlitosno:fthese tests show the sample to contain the following weight percent [CC coRcomNm--Too] encom T opw | corcomm--|wow | To Additionally, the isomer distributionofthe sample was determined using techniques and found to contain the following mole percent composition: CF,(oCrFma.l)c-hCaiFn,(CwhFeCrEe)x,i-CmaOin0lyN6H) ) where(Ixnt+eyrnsalmamionlnyome4,thaylnxbrad0nc,h, 0 isopropylbranch,where xismainly 4 busy! branch, wherexismainly 3 ''F-NMR 12.6% E CFCC( FICC R),CFOCNH) e ntemal gemm-adiinlmyeth3,ylanbdraxn2c0h,)where x+y is i Possible.where *Ris undefined (Alpha branch, whereis mainly 3) 140f 14