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_ AR126-0095 PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH `THE SALTWATER MYSID (Mysidopsis bahia) FINAL REPORT WILDLIFE INTEMRNLAATBIROENLQTAUDLE,STPRNOOJ,E3C7T3N3UMBER: 4504-101 ScrUS150EOamPliTnoSeeNnusmtbeEPror8s5i0o1T0no3A5Ggearienes AuORS at Dror HenrOy. Krueger, Ph.D. STUDY INITIATION DATE: Desir, 1998 STUDY COMPLETION DATE: June 24, 1999 AMENDED REPORTDATE: Apr 26,2000 1 Submitted to 3M Corporation Envi5r3osnmBentualALavboeratory St. Paul, MN 55144 Wildlife 4I5n9tCoemmrenrcae tivieonal Ltd. Easton, Maryland 21601 (410) 822-8600 Page 1of41 000931 AMENDED WILDLIFE INTERNATIONAL Lo. ER PROJECT NO.: 454A-101 `GOOD LABORATORY PRACTICE COMPLIANCE STATEMENT SPONSOR: 3M Corporation TITLE: PFOS: A 96-Hour Static Acute Toxicity Testwith the Saltwater Mysid (Mpysidopsis bahia) `WILDLIFE INTERNATIONAL LTD. PROJECT NUMBER: 454A-101 STUDY COMPLETION: June 24, 1999 AMENDED REPORT: April 26, 2000 `Thisstudywasconductedincompliancewith GoodLaboratoryPracticeStandardsaspublishedbythe USS. Environmental Protection Agency in 40 CFR Parts 160 and 792, 17 August 1989; OECD Principles of GoodLaboratoryPractice,OCDE/GD (92) 32, Environment Monograph No. 45, Paris 1992;and JapanMAFF, 59 NohSan, Notification No. 3850, Agricultural Production Bureau, 10 August 1984, with the following exceptions: Thetestsubstance wasnotcharacterizedin accordancewithfullGLPcompliance;however,the characterization wasperformedaccording to 3M StandardOperating Procedures and Meth andoalldras wda,ta arebeingmainit nthae 3iManrcheiveds. Thetestsubstanceisbeing recharacterized in accordancewith GLP. Thestability of thetest substanceunder conditions of storage atthe test site wasnotdetermined in `accordance with Good Laboratory Practice Standards. SEE STUDYDIRECTOR: Kurt R. Drottar `Senior Biologist pee DATE `SPONSOR APPROVAL: garko Sp DATE 000935 AMENDED WILDLIFE INTERNATIONAL Lo. - PROJECTNO.: 454A-101 QUALITY ASSURANCE STATEMENT ThisstudywasexaminedforcompliancewithGoodLaboratoryPractice Standardsaspublishedbythe U.S. Environmental Protection Agency in 40CFRParts 160 and 792, 17 August 1989; `OECD Principles of GoodLaboratory Practice,OCDE/GD(92) 32,EnvironmentMonograph No. 45, Paris 1992;and JapanMAFF, 59 NohSan, Notification No. 3850, Agricultural Production Bureau, 10 August 1984. The datesofall inspectionsandaudits andthedatesthatany findingswerereportedtotheStudyDirectorandLaboratory Managwee rem asfeoln lowts: sin Te Ppt -- Sfosgt Shtoepmie AnalyticalDataand. OATECODUTID: Mah, a wan a - z set apis 00 STIDYoDRwEOsRR|ERORMTEADGTORENT stn no tin vm sisi alg isi sees. avn Meads mes, 199 Am i. Cobban Ja H.Coleman. QualityAssurance Representative tao DATE 00936 AMENDED WILDLIFE INTERNATIONAL Lr. 4 REPORT APPROVAL PROJECT NO: 454A-101 SPONSOR: 3M Corporation TITLE: (PMFyOsSi:dopAsi9s6-bHahoiuar)Static Acute Toxicity TestwiththeSaltwater Mysid WILDLIFE INTERNATIONAL LTD. PROJECT NUMBER: 454A-101 STUDYDIRECTOR: GN SKeuariotrRBDirooltogtiasrt MANAGEMENT: DHieraerctyo0r., Aquatic,Toxicology and Non-Target Plants _geeee DATE Hoste DA 000937 AMENDED WILDLIFE INTERNATIONAL Lm. -5- PROJECTNO: 454A-101 `TOA F CB ONL TENE TS THISACOVEEPABO.covcussrsseussrssarssrssessussess sssessssessossossusssssesessossessessassosssessossomsmrsssssssorss | RPO APDIOVAL..crsmsssmsssnsoin THR RCI mses OBJECHVE corres setts 8 RE8S 1dDU ISCI USSIL ON..S . corcsmsresssrsssmsssssmssssssssssssssssssssss sss 12 TABLES Table 1 - Summary ofAalyCHtOMiistrcyDaBAl crn: 14 Table 2 - Temperature,DissolvedOxygenandpHof Waterinthe Test ChAMBETS........vcovumemsssss 15 `Table 3 - Cumulative PercentMortalityandTreatment-Related BEECCtS..........ovwemmvsesssssmsssssses 16. 000938 WILDLIFE INTERNATIONAL Lm. -6- `TABLE OF CONTENTS - Continued - PROJECTNO.: 454A-101 APPENDICES Appendix 1- Salinityand pHofSaltwaterMeasuredDuringthe4-WeekPeriod Appendix 11 AnalysesofPesticides, Organics,MetalsandOtherInorganics AppendixIIT The Analysis International ofPROSin SaltwaterinSupportof Wildlife Ltd.ProjectNo.: 4S4A-I0] creme: 20 Appendix V - Personnel InVOIVed i the SWAY vss 39 ADPEOX V+ REDOTt AMEDD... 40 000939 AMENDED WILDLIFE INTERNATIONAL Lo. -7- PROJECT NO: 454A-101 SPONSOR SPONSOR'SREPRESENTATIVE: LOCATOFISTOUDNY, RAW DATAAND ACOPYOFTHE. FINALREPORT: "WILDLIFE INTERNATIONAL LTD. PROJECT NUMBER: TEST SUBSTANCE: stop: MCEOANCNEMNTERAASTUIROENDST:EST TEST DATES: LENGTHOFTEST: TEST ORGANISM: SOURCEOFTEST ORGANISMS: AGE OFTESTORGANISMS: S6HOURLGSO: 95%CONFIDENCELIMITS: CONNOCMEONRTTRAALTIITOYN: NO-OBSERVED-EFFECTCONCENTRATION: SUMMARY "3M Corporation Ms. Susan A. Beach `WildifeInternationalLtd. Easton,Maryland 21601 454A-101 PFOS (Perfluorodetans SulAfcidoPontasisicum Salt) PSaFlOtSwa:teAr9M6y-sHiodu(rMSytsaitdiocpAsciustbeaThoixai)city Testwiththe NegativeControl; 057, 1.1, 19and,S43 mga0 ii/L. ExperiStmaret-nMatrcahl8, 1999 Biological Termina~tMiarocnh 12, 1999 Experimental Termination ~March 12, 1999 96Hours Saltwater Mysid (Mysidopsis bahia) `EWaisltdoinf,eIManrytleanrdn2a16Lti0d1i.coulntuarels Juveniles T6mgaill 30md46mgaill Limgaill Llmgaill, 000940 AMENDED WIDLDLLIFE INTERNATIOA NAL Lm. crm -3- PROJECTNO:s4e54tA-1e01 INTRODUCTION "ThisstudywasconductedbyWildlifeInternationalLtd.for 3MCorporationattheWildlifeInternational Ltd.aquatictoxicologyfacilityinEaston,Maryland.TheinlfephaseofthetestwasconductedfromMarch8, 19to9Mar9ch 12, 1999. RawdatageneratedbyWildlifeInternationalLud.and acopyofthefinalreportarc. fledunderProjectNumber 454A 101 inarchiveslocatedontheWillieIntemational Ltd. site. OBJECTIVE "TheobjectiveofthisstudywastoevaluatetheacutetoxicityofPFOS (PerfluorooctaneSulfonicAcid Potassium Salt) tothe salmtyswid,aMystidoepsris bahia, dura i96-nhogur exposureperiodunder static test conditions. EXPERIMENTAL DESIGN `Saltwater mysidswereexposedto ageometricsriesoffivetestconceatrationsand anegative (saltwater) control. Tworeplicatetestchambersweremaintainedineachtreatmentandcontrolgroup,with 10mysidsin eachtestchamberforatotalof 20mysidspertestconceatration. Nominal testconcentwreraesteliecotendisn consultationwiththe Sponsor,andwere basedupon theresultsofan exploratoryrengefindingtoxicitytest. Nominaltestconcentrsealetctiedownerse 1.1,1.8,3.0, 4.9and 8.2mgactiveingredient (a.YL. Meanmeasured. testconcentrationsweredeterminedfrom samplesofestwatercollectedfromcach treatmentandcontrolgroupot. thebeginningofthetes, tapproximately48 Boursandat esttermination. `Themysidswereindiscriminatelyassigned toexposure chambersattestinitiation. Observatioonfs `mortalityandotherclinicalsignsweremadeatapproximately4.5,24,48, 72, and96hoursaftetestiitition. Cumulative perocatmortality observed nth treatmentgroupswasusedto estimateorcalculateLCSOvaluesat 247,2an4d986 ho,urs.Thenomortalityconcentrationandno-observedt<ffectconcentration(NOEC)vere determinedbyvisualinterpretation ofthemortalityandclinicalobservationdata. 00941 AMENDED 5 MATEARNI DMA ETL HOS DS Thestudywasconducted basedon the procedures outlined in the protocol,"PFOS: A 96-HourStatic Acute Toxicity Test withtheSaltwater Mysid (Mysidopsis bahia)". The protocol was basedonprocedures outlinnUe.Sd. EnvironmentalProtection AgencySeries 850EcologicalEffectsTestGuideliOnPePsT,S `Number 850.1035(1); U.S. EnvironmentalProtection Agency,StandardEvaluationProcedure, Acute Toxicity Test forEstuarineandMarine Organisms(2);and ASTMStandard E729-88aStandard Guidefor Conducting Acute Toxicity Tests with Fishes, Macrotnvertebrates andAmphibians 3). `Test Substance Thetestsubstancewasreceivedfrom 3MCorporationonOctober29, 1998andwasassignedWildlife Intemational Ltd.identificationnumber4675. Thetestsubstanwcaes desacsarwhiitb epoe wdedr. Itwas. identifiedas FC-95fromlotnumber 217(T-6295).Informationprovidedbythe Sponsorindicated apurity of 98.9%,andanexpirationdata of2008. `Thetestsubstance wasreanalyzedbythe SponsorandtheCertificateof Analysis dated March9, 2000 indicated a purity of 90.49%.Thetestsubstancewasstoredatambientroom temperature. Prepoa f TerstaContcenitraotionns `No testm conci entrn atioa nswel re 1.1,1.8,3.0,4.9 and 8.2 mg a.i/L, basedon a test substance purity of 90.49%. Allmaterialswhichcameintocontactwiththetestsubstanceduringpreparationoftestconcentrations. `wereconstructedofplasticorstainlesssteel. A primary stock solution was prepared in dilution waterat & concentrationof 8.2mgai/L. Theprimarystocksolutionwasmixedwithan electricmixerforapproximately22 hourstoaidinthesolubilization ofthe testsubstance. `Aftermixing,theprimarystocksolutionwas `proportionallydilutedwithdilutionwatertopreparethefouradditionaltestconcentrations. Alltestsolutions. * appcle earaandrcole orledss. `TestOrganism `Thesaltwatermysid, Mysidopsis bahia, was selected asthetestspeciesforthisstudy.`Thesaltwatermysid isreprescatative ofanimportantgroupofaquatic marineinvertebrates andwasselected forusein thetestbased uponpasthistory ofuseandeaseofculturinginthelaboratory. Mysids usedinthetest wereobtained as juveniles from cultures maintained by `Wildlife International Ltd, Easton, Maryland. 00942 AMENDED WILDLIFE INTERNATIONAL Lm. -10- PROJECTNO.: 454A-101 Adultmysidswereheldatapproximatelythesame temperature as used duringthetest. Durthiehonldigng andacclimationperiods,the adultsshowednosignsofdiseaseorstress.During the 14-day holdingperiod precedingthetes, watertemperaturesrangedfrom25.010 25.5C. The pH ofthewaterrangedfrom7.90 8.1, salinity was maintainedat 20% (partsper thousand) anddissolved oxygen ranged from 7.0to 7.2 mg/L. Instrumentationusedfor watermeasurementsisdescribedinthe Environmental Conditionssectionofthisreport. Attestinitiation,thejuvenilemysidswerecarefullycollectedfromtheculturesand transferredtoglassbeakers. `Mysidswere transferredfrom thebeakers tothe testcompartments using a wide-bore pipette.Juvenilemysids ererelativelyfragileandwer,therefore, handledasltl aspossible. Thejuvenilemysidswerefedlvebrine `shrimp(Artemia sp.)naupliidaily duringthetesttoprevent cannibalism. Test Apparatus "Testchamberswere 2-Lpolyethylene bucketsfilledwith approximately1000mLoftestwater.Thedepth ofthetest waterin arepresentativetestchamberwasapproximately 6.6 em.Test chawmerb e imeparr tias lly `positionedinanenvironmentalchamberdesignedtomaintain atemperature of252C. `Thetestchamberswere: Iabeledwiththeprojectnumber, testconcentrationandreplicateandwerecovered with plexiglassthroughoutthe test. _---- `The water used for holding, acclimationand testingwas natural seawatercollected at Indian River Inlet, `Delaware, and dilutedto a salinity of approximately 20% with well water.`Salinity and pH measurementstaken. duringthefour-weekperiodimmediatelyprecedingthe testarepresentedinAppendix I. Thefieshly-ollestedseawaterwas passedtrough asand fille to remove prticles gratethan `approximately25 wm, andpumpedinto a 37,800-L storage tank. The filteredseawaterthenwas diluted with freshwaterfrom awellontheWildlifeInternational Ltd.siteandacratedwithspraynozzles. Prtoiuso e,trhe `water again was filtered (0.45 um)to removemicroorganismsand particles. `Theresults ofperiodicanalyses `performedtomeasurethe concentrationsofselected contaminantsinsaltwaterusedbyWildlifeIntemationalLtd. are presie nApnpetnde ix IdL Lightingused to illuminatetheculturesandtestchambersduringculturingandtestingwasprovided by fluorescent tubes that emitted wavelengths similar to natural sunlight (Colortone 50). A photoperiod of 16 hoofu lighr tans d8hoursofdarkness wascontrolledwith anautomatictimer. A 30-minutetransitionperiod 00943 WWIILLDDLLIIFFEE IINNTTEERRNNAATTIIOONNAA-LtLem.. oe P--ROJ--ECT--NO.:--454--A-1--01 of lowlightintensiwtaysprovidedwhenlightswentonand offtoavoidsuddenchangesinlighting. Light {nteasityattestinitiationwasapproximately437 huxa thesurfaceofthewater.Lightintewaas smeiasturyed using a SPER ScieLnudt.liighftmietecr. Temperaturewasmeasuredincachtos chamberatthebeginningandend ofthetestsing aliquid-in-lass thermometer,Temperaturealso wasmeasuredcontinuouslyinonenegativecontrolreplicateusing a Fulscope ER/C Recorder, Thetargettest temperatureduringthestudywas252C. Dissolvedoxygenand pH measurementsweremadeonwatersamplescollectedfromallreplicatetestchambersofeach treatmentand control a estiitition,andatapproximately24-hourintervalsthereafer.Salinitywasmeasinutherdileutidon waterat testinitiation. MeasurementsofpHweremadeusinga FisherAccumetModel 915pHmeter,anddissolvedoxygenwas `measuredusingYellowSpringsInstrumeatModel51Bdissolvedoxygenmeter.Salinity wasmeasuursiengda. Bio-Inc.mAquaaferunairefrnacteomet,er. Obser va t ions. Observationsw eremade to determine t he numberofmortals. Th en u mof ibndievidurals exhibiting. clinics!signsoftoxicityorabnormalbehavioralsowereevaluated. Obsewerrevmadaeaptproiximoatenly4s.5, 24,48, 72and96hoursaftertestiiiaion. Statist "The24,48,72and 96-hourLC50valuesandthe 95%confidenceintervalswerecalculatedwhenpossible byprobitanalysis,themovingaveragemethodorbinomialprobabilitywithnos-linearinterpolation (45,6) sing thecomputersoftwareofC.E.Stephan (7). thisstudy,LCS0valuescouldnotbecalculatedat 24 nd48burs duetothelackofanadequateconcentration Tespoasepater,however,th probitmethodwasusedto cvaluate moratt7a2anld i96htourys.Thonomortalityconcentrationand NOECweredeterminedbyvisualinterpretation ofthe mortality and clinical observatdiatoan. Analytic`aWlaCtheermsiasmtprlyeswerecollectedatmid-depthfromeachreplicatstestchamberofeachtreatmentand controlgroupatthebegianingofth test,at 48 hoursandattestterminationtomesureconceatratonsofhotest substance. Thesampleswerecollectedinplastic(Nalgene)vialsandanalyze assoon as possiblewithout storage. Analyticalproceduresusedintheanalysisofthe samplesareprovidedinAppeadixII. 00944 WILDLIFE INTERNATIONAL Lo. 12- PROJECT NO.: 454A-101 RESANU DDILSCUTSSISON MeasoufTresteConmcenetrantiotns Resultsofanalysestomeasureconcentrations ofPFOSinwatersamples collctedduringthetestare prescatedinTable 1andintheanalytical chemistryreport (AppendixI).Nominalconcentrsealetciteodfnosr useinthisstuwedrey1.1, 1.8,3an.d08.2,mg4a../9L. Samplescollectedattestnitionhad measuredvalues thatrangedfrom 52to71%ofnominalvalues.After22hoursofmixing, theprimarystocksolutionwas measuredtobe70to 71%ofnominalandwasprobably atthelimitofsolubliyinfilteredsaltwater. The, recoveries intheothertestconcentrations weresimilarbecause they wereproportional dilutionsof theprimary stock.Measuredvaluesforsamplestakeaat 48 hoursrangedfrom44 071%ofnominal.Measuredvaluesfor samplestakenat 96hoursrangedfrom36to 7o1 fnomi% nal. Whenmeasuredconceatoafttheisaompnless analyzedattestinitiation,approximately 48hoursandattestterminationwereaveraged,themeanmeasured. concenfotthrisastutdywieroe0n.5s7, 1.1, 19,3.0and 5.4mg./L. Meanmeasuredconcentrationswereused intheestimationorcalculationofLCS0 values. ObseravndaMetasiureomenntss: Measurementsoftemperature,dissolvedoxygenad pHarepresentedin Table2. Temperatureswere withinthe252C rang establishedforth test.Dissolvedoxygenconcentrationsremained26.6 mg/L (90%of saturation)throughoutthetest,MeasurementsofpHrangedfrom 8.1 to 8.2duringthetest. Dailyobservationsofmortalityandotherclinicaligasoftoxicity observedduringthetestareshownin Table 3. Mysidsinthenegativecontrol,andthe0.57and1.1mg ../L treatmentgroupssppearednormaland healthyduringthetest.After96-hoursofexposure,mortalityinthe1.9,3.0and 5.4mg .i/Ltreatmentgroups was 10, 40and 75%respectively.LC50valuesand 95%confidencelimitsat 24,43,72and96hourswere estimatedorcalculatedfrom themortalitydata,andareshownin Teblo4. CONCLUSIONS The96-hourLC50valueforsaltwatermysidsexposedto PFOSwas 3.6mg aL.The95%confidence Jimswere 3.0and 4.6mg .i/L,andtheslopeoftheconceatration-crurevsewpaasn4s.5e.The 96-hounor `mortality conoentrationandtheNOECwere1.1mg ../L. 00945 AMENDED WWIILLDDLLIIFFEE IINNTTEERRNNAATTIIOONNAALLLLoo.. -13- --PRO-- JECT NO.: 454A-101 REFERENCES 1 `USO.PTESnvNiurmonbmeern8t5a0l.P1r0o3t5e:ctMiyosniAdgeAncuctye.To1x9i9c6i.tSyerTiesets. 850 ~Ecological Effects TestGuideilns(draf), 2 JUoSr.EEsntuvairrionnemeanntdalMParroitneectOirognaAngiesnmcsy.(Sh19r8i5m.pSt9a6n-dHaorudrEAvcaultueatTiooxnicPirtoyceTdesutr)e., AHcauztaerTdoxEivcailtuyatTieosnt Division. OfficeofPesticide Programs. EPA 540/9-85-010. Washington, D.C. 3 MAaScrToiMnvSetratnedbarartdeEs7,2a9n-d8A8m5p.hi1b9i94a.nsS.taAndmaeridcGauniSdoecfioctryCfoornTdesuticngtAaicnundtgMeaTtoexriicailtsy.Tests with Fishes, 4 Thompson,WR. 1947.BacteriologicalReviews, Vol.Tl, No. 2. Pp. 115-145. 5 S"tAempehrainca,nCSEoc.ie1t9yf7o7.r "TeMsettihnogdasnfdorMaCtaelrciuallast.inPguabnliLcCaSt0io"n,NguumabteircSTTPo634x, pipan6d5c-H8a4oz.arldEvoaluagtioyns. 6 Finney, DJ. 1971.StatisticalMethods inBiologicalAssay. Second edition. Griffin Press, London. 7 Stephan, CE. 1978. USS. EPA, Environmental Research Laboratory, Duluth, Minnesota. Personal communication. 000946 WILDLIFE INTERNATIONAL Lo. 14 PROJECTNO.: 454A-101 Table 1 `SummaryofAnalytical Chemistry Data T `TDioluttiotn oWante:r: E__DFilSierede SeNltiwa,terMotolnsg Tbiinee V Conoeniion MCeonmcMenet] rwawtieonl PaOgfe Com(anmtgaati)on cate LL a) Nominal Be BA B @0 is 3<< = AB %% 33 1 AA8 a800 000566702ss 057 2 B28 %%8 00033658410 18 A8A a90 L1ii2so 1 a 2B8 %%i 1iT0of4s 30 28A @90 119992 19 9 s BA8 i%% 111957119 a A8 A 890 322506%5 30 st . A85 8% % 33331m8 82 A8 A 4890 s3g% sa 358 & 8A8 pi%%d s5is8n Theliofmquanitiattion(L0Q)wes0.115mg ail 000947 AMENDED ase Tae Tempera,DissolvedOryenend pHof Wate ite TestChambers -- C T Toek E OSte yiAptle fibril ices Toorolntase = 2 op n wm om o =mm E ou=Eoew ToanGa APo3m13Bu& H Bom oa a 8h a u os sA omowooumnooowum nPa ou 4 o8 n a8 uwwm Woo momoow momo wow gow PROJECTNO: 454A-101 T== WE om S Boo a a ou wWoooeo ouou mg oH "pom omo ono 8 8 89 moa ou : t E mp meemeE emtiiyte+EoSee fmmt peit5yBSlBiC.i ly e 338 3B@ ; AMENDED morro: sine oe i Cami sterly ems e BE --E_m"Era Ee eEnee Ee Bow e Be Bow eweae Emo7omBoEo 0somEeR oe 3memnoe iso8m8o o sou eoc pon osm om pwoeormoromo0 Ee g3g2g 3 mom WILDLIFE INTERNATIONAL Lm. -17- PROJECT NO: 454A-101 Table 4 LCS0 Values -S_ponsor: Test Substance: TDeilsuttOirongaWnaitsemr:: _ Time 24 Hours 3M Corporation PFOS SFaillttwearetderSaMlytswiadte,rMysidopsis bahia TCoonwfeird9en5c%e ~~UCponpfeirde9n5c%e LCso gail) Limits (mgail) Limits (mgaill) >54 = E -- Statistical Method Visual Interpretation 48 Hours >54 - = `Visual Interpretation 72 Hours 44 36 62 Probit 96 Hours 36 30 45 Probit -- Co"Cnofnifdideenncceelii-- mtitssccoouullddnnoottb-- beec calcualatetd w-- ith the mortalit-- y data obtzined.---- 000950 AMENDED WILDLIFE INTERNATIONAL Lo. -18- PROJECT NO.: 454A-101 APPENDI1X rea------------------------ `Sponsor: Salinity and pHof SaltwaterMeasured During the4-Week Period Immediately Preceding the Test 3M Corporation| T`Teesstt OSurbgsatnainscme:: SPaFlOtwSater Mysid,Mysidopsis bahia Dilution Water: Filtered Saltwater --_-- Salinity(%6) Mem 20N=4) Ree 20-20 - pH. __B 82 (N=4)ee 8.1-s 82 00951 WWIILLDDLLIIFFEE IINNTTEERRNNAATTIIOONNAALLLLmo.. e momcrno: PROJECT NO.: asin454A-101 APPENDIX II Analyses of Pesticides,Organics,MetalsandOtherInorganics esi Si in Wildlife International Ltd. Saltwater! TpvwOeT rm ogFsBaiBegepEnss tsi= REeELeoF,cewn ocosTen Pi :PPCvoooE o iammmowwmeeeC moomooaammn Fo Organi Coon? < mg/L ED2 DmiE,mFpp! , y BE=EXrae. BBB5z5eaae EBEE] eknts pri Assminge? [7] = SoCalcium' Laus NA ebr?: He Si Zine' <HPPE oomu0005 IPo ow8 o PP PPPoooom EEEEE om << 251000 ios3: < EH] iow : 100 : 2 << 225% . 22m : aio rm < 200 gl aa A=a &#==a2E & ggll . &mg Fa &iat Z= ar mL. ==aL 00952 DWE ILDLIFE INTERNATOIONNALLLRo,. recess 20. APPENDIX II DPREOJSECOTTNO.O: 48584A0-01001) `THE ANALYSIS OF PFOS IN FILTERED SALTWATER IN SUPPORT OF `WILDLIFE INTERNATIONAL LTD. PROJECT NO.: 454A-101 00953 a WILDLIFE INTERNATIONAL Lm. PROJECT NO.: 454A-101 REPORT APPROVAL SPONSOR: 3M Corporation "TITLE: PFOS: A 96-Hour Static Acute Toxicity Testwith the Saltwater Mysid (Mpsidopsis bahia) `WILDLIFE INTERNATIONAL LTD. PROJECT NO.: 454A-101 PRINCIPALINVESTIGATOR: 4 SILL "Van Hoven, Ph.D. Scientist MANAGEMENT: 7/7072 `Willard B. Nixon, Ph.D.' Manager, Analytical Chemistry iow DATE th DA 000954 AMENDED WILDLIFE INTERNATIONAL Lm. -2- PROJECTNO.: 454A-101 Introduction Saltwatersampleswerecollectedfrom a staticacuteaquatictoxicitystudydesignedtodeterminethe effects of PFOS (Perfluorooctane Sulforic Acid Potassium Salt) to the saltwater mysid (Mysidopsis bahia). Thisstudywasconductedby WildlifeInternationalLtd.andidentifiedas Project No.: 454A-101 `TheanalysesofthesewatersampleswereperformedatWildlifeInternational Lid.usinghighperformance liquidchromatography withmassspectrometricdetection(HPLC/MS). Sampleswererecefoiravnaleysdis `onMarch8, 10and12,1999andwereanalyzedoncachsamplereceiptday. `S TestubsantdIna ternn alStc ande ard Thetestsubstance usedfortheanalytical portionofthisstudywasWildlifeIntemationalLtd. identification number 4675."Thetestsubstancewasusedtopreparecalibrationandmatrixfortification samples. Theinternalstandardwasreceivedfrom 3MCorporationonJuly2,1998 andwasassigned Wildlife InternationalLtd. identification number 4526 uponreceipt.Theintemalstandard, agramlar material,was identified as: 1H, 1H, 2H, 2H Perfluorooctane Sulfonic Acid, ChemicalAbstractNumber: 27619-97-2. Thestandardvasstoredunderambieatconditions. AnalyticalMethod "Themethodusedfor theanalysisofthe saltwatersamples wasdevelopedat WildifeInternationalLtd andentitled"AnalyticalMethodforthe Determinationof PFOSinFreshwater, SaltwaantdAelrga,l Medium". ThismethodologywasincludedasAppendixIIofWildifeIntemationalLtd.protocol umber 454/011299/MVALISUB454. Itwasbaseduponmethodologyprovidedby 3M Corporation. Samples werediluted in a 50%methanol : 50%NANOpure water solutioncontaining 0.mg14H0PF0OS (internal standard) and 0.05% formic acid (vA) so that they fell within the calibrationrangeofthe PFOSmethodology. Conceatratonsofthe PFOSinthestandardsandsamplesweredeterminedbyreverse-phasehigh `performance liquid chromatography using a Hewlett-Packard Model 1100 High Performance Liquid 060955 AWR ILDLIFER INTE ERNAI TIONL AL L, o. eeeTPRROOJEECCTTNNOO.::d454S A-10, 1 23. Chromatograph (HPLC) with a Perkin-Elmer API 100LC Mass Spectrometerequippedwith a Perkin Elmer TurbolonSpray ion source. HPLC separations were achieved using a Keystone Betasil Cy analytical column(100mum x 2mum LD., 3jumparticle size). The instrumentparametersare summarized inTable1. A methodflowchartisprovidedinFigur1e. Cafbration Limit of Quati Calibration standardsof PFOS prepared in a 50% metha:n5o0l% NANOpurewatersolution containing 0.mg14H0PF0OS (internalstandard) and 0.05%formicacid (v/v), ranginginconcentration from 0.00229to 0.0457mga../L,wereanalyzedwiththesamples.Linearregressionequationswere generatedusingpeakarearesponseratios (PFOS :intemal stavenrsudstaherrespedcti)ve concentrations ofthecalibrationstandards.AtypicalcalibrationcurveispreseinaFitguered2. Theconcentratioofn PFOS inthesampleswasdeterminedbysubstitutingthepeakarea responseratiosintotheapplicableliar regressionequation.Representativeionchromoafltowaondghigrhcaalibmratsion stanardeaprersedntsed inFi3ganud4,rrespeectivsely. `Themethodlimitofquantitation(LOQ) forthese analyseswassetat0.115mga.i/L calculatedasthe prodoufcthtelowestcalibrationstandardanalyzed (0.00229mg 2.i./L)andthedilutionfactorofthe `matrixblanksamples (50.0). s Fortification `Threematrix blanksampleswereanalyzedtodeterminepossibleinterference. Nointerferenwceerse observedatorabovetheLOQduringsamplesanalyses(Table2). Arepresentativechromatogramof a `matrixblankispresiennFitguere5d. Saltwater wasfortifiedat 0.457, 4.57and 9.15mg .i/Landanalyzedconcurrentlywiththesamples to determinethemeanproceduralrecovery(Table3). Sampleconceawertenrotacortreciteodfonrtshe meanprocraecodveruyorf97a.4l%. Arepreseatativechromatogramof amatrixfortificationispresented inFigur6e. 00956 AMENDED WWIILLDDLLIIFFEE IINNTTEERRNNAATTIIOONNAALL LLm.. 24. PROJEe CTNO.e4544-101 ExampleCaleultions Samplenumber 454A-101-3, nominalconcentration of 1.1mga.i/Linsaltwater. Initial Volume: 0.500 mL Final Volume: 25.0 mL. Dilution Factor: 50.0 PFOSPeakArea: 235466 InternalStandardPeakArea: 449012 PeakAreaRatio: 0.5244 Calibcurrvaeetquiatoionn. Slope: 0.04044 Interopt: 0.05941 Curve is weighted (15). POS (aif stinsmumey PFOS (mgai/l)insample = PS eakareaoro attSilo"o--p(e e(t V-rinteprcep)t 0.5244 -005941 . 0.04044 = us = --PF--OS(4g 1/1)atinstrument xDilution 1000 Factor _ 115x500 = Tio = 0575 00957 AMENDED WILDLIFE INTERNATIONAL Lm. 2s. PROJECT NO.: 454A-101 PescntofrcentofNomNionmainal CeConcentratioon n = --PPRFOOSS ((omggoaa.1i/2L)) inonmsTianmEaplle | Calculated recovery: 52.4% Note:manual calculmaaytdiifofenr. RESULTS SampleAnalysis | Saltwater samples were collected from the static acute toxicity study with the saltwater mysid (Mysidopsis bahia) at test initiation, March 8, 1999 (Hour 0), on March 10, 1999 (Hour 48), and at test termination, March 12, 1999 (Hour 96). Themeasuredconcentrationsof PFOSinthesamples collected at initiationofexposureofthetestorganisms(Hour 0)rangedfrom 52.4 to70.7% ofthe nominal concentrations. Samples collected at Hour 48 had a measured concentration rangeof 43.5 to 71.0%of nominalvalues. Samplescollectedattesttermination(Hour96)had ameasuredconcentrationrangeof 35t.o715.1% ofnomvali uesn (Taa blel 4). Areprche romas toge ramon fat testa samt pleii ssv howe nin Figur7e. 00958 AMENDED WILDLIFE INTERNATIONAL Lm. -26- PROJECT NO.: 454A-101 Table 1 INSTRUMENT: `Typical HPLC Operational Parameters "Flewlet-Packard Model 1100 igh Performance Liquid eqCuihpperdwoithmaPwaeirttkhianoP-eErlgkmienrr-TEalumerprbAhPoIl1o0n0iLSoCnpsMorausarscyeS.peOctpreormeatteiernd selective ion monitoring mode (SIM). ANALYTICAL COLUMN: OVEN TEMPERATURE: KeystoneBetasil Cyscolumn (100mm x 2 mum 1D, 3 pumparticle size) 30C STOP TIME: 10.0 minutes FLOW RATE: 0.220 mLminute MOBILE PHASE: 72.0%Methanol :28.0%NANOpure Watercontaining 0.1% Formic Acid INJECTION VOLUME: 2504 PFOS RETENTION TIME: Approximately 7.2 minutes : INTERNAL STANDARD RETENTION TIME: Approximate4l9y minutes PFOS MONITORED MASS: 498.6amu INTERNAL STANDARD MONITOREA D MASS: 4e2e67ramu . 00959 W_I--LDLIFE INTERNATIONAL Lo. 27. ROPWROCJETCNTNOO.c:A454MA-1A01 L `Table 2 `Matrix BlanksAnalyzed Concurrently During SampleAnalysis Number (454A-101) MAB-1 Sample Type "Matrix Blank Measured Concentration of PFOS' (mgai/l) <LOQ MAB-2 `Matrix Blank <L0Q MAB-3 Matrix Blank <L0Q "Thelimitofquant(iLtOQa)wtasi0o.11n5mga.iLbasedupontheproductofthe lowestcalibration standard analyzed (0.00229 mg a.i./L) and the dilution factorofthematrixblank samples (50.0). 0960 AMENDED T WILDLIN FE INN TERNAe TIONAL Lto. mPBRe OOJTEECTTNNO.O: E454AA-101 28. `Table 3 Matrix Fortifications Analyzed Concuriently During Sample Analysis -- Sa(m#p5l4eAN-1u0m1b)er MAS-1 MAS4 MAS-7 `Concentrations of PFOS| FForotilfiedd (mg a.i/L) MMeaaseuredd | 0.457 0.537 0.457 = 0457 0.396 RReePceorocvveenrete.dd u7 86.5 MAS-2 4.57 427 933 MMAASS-S5 445577 443463 9965.28 MAS-3 9.15 8.18 89.4 MAS-6 9.15 9.42 103 MAS-9 9.15 893 97.6 Mean =974 Standard Deviation = 9.41 CV =967 N=38 `Note:Resultsandcorrectionsfor newtestsubstancepurityweregeneratedusingMacQuanversion 1.5 sof andt manw ual ca alcur latie ons. Valueshavebeen rounded for reporting purposes. "Result was0.942 mga.i./L.or 205%ofthenominalconcentration.Thisresultwas notusedtodetermine. _the meanprocedural recoverySueto probable fortification and/or dilution error. 00961 AMENDED WILDLIFE INTERNATIONAL Lo. 29. PROJECT NO.: 454A-101 Table 4 --_-- `Nominal Test Concentration (mg a.i/L) 00 Measured Concentrations of PFOS in Saltwater Samples froam Saltwater Mysid Static Acute Toxicity Test Sample Number (454A-101) T 2 13 2154 26 Sampling Time (Hours) 0 80 4%8 96 PFOS Measured Concentration' (mg a.i/L) <L0Q <<LL00QQ <<L1O0QQ <LOQ Percent of Nominal = z- -- - 11 3 0 4 0 15 48 16 48 27 96 28 96 0575 524 0.622 56.6 0.605 55.1 0.640 582 0391 355 0.580 529 18 5 0 6 0 17 48 18 48 29 96 30 9% 112 64.4 L19 683 L110 632 1.09 62.7 1.04 113 59.8 6s | 30 7 0 192 65.7 8 0 199 619 19 48 192 65.8 : 20 48 191 65.2 31 96 179 612 3 9% . 191 65.4 "Note:sRoefstuwlatrseaanndcdomrarencutailocnaslfcoulrantieownst.esVtsaulbuessthaancveepbuereintyrwouenrdeegdefnoerrraetpeodrutsiinngpguMrapcoQscusa.n version 1.5 The limitofquantitation(LOQ)was 0.115mg a.i/L basedupon the productofthelowestcalibration standard analyzed (0.00229 mg 2.i./L) and thedilution factor ofthematrix blank samples (50.0). Mean reosfduupllicatte redilutionsofthe original sample. Original result (12.0 mga.i/L)was not included in the statistical analysis ofthe data. Duplicate results for 454A-101-23are3.55 and 3.61. 000962 AMENDED WWc HILODLLIFEEIINETEr RRNNAATTIOONNAALL TLDm..em PROJECe TNROO.: 4A54AP-10,1 "30- "Table 4 (Continued) --e Measured Concentrations of PFOS in Saltwater Samples from a Saltwater Mysid Static Acute Toxicity Test `Nominal Test `Concentration (mgai/L) 49 Sample Number (454A-101-) 9 10 21 2 33 34 `Sampling Time (Hours) 0 0 48 48 96 96 'PFOS Measured Concentration" (mga.i/L) 3.05 266 2.96 335 3.11 31 Percent of Nominal 616 538 599 67.8 63.0 629 82 1 0 582 707 2 0 5.78 702 223 4a8 355885 473150 35 96 522 633 36 96 5.86 JL] "Note:Resultsand correctionsfornew testsubstance puritywere generatedusingMacQuan version 1.5 "The `soanf dmat nuaw l caa lculr atioe ns. limitofquantita(tLiOoQn) was Valueshavebeen rounded 0.115mga.i/L basedupon forreporting purposes. theproductof thelowest calibration. `standard analyzed (0.00229mg 2.i./L)and thedilufacttoir oof tnhematrix blanksamples(50.0). Meanresultofduplicateredilutionsoftheoriginalsample. Originalresult (12.0mga.i/L)wasnot includedinthe statistical analysis of the data. Duprelsulsiforc45a 4A-t 101e -23are 3.an5d3.5 61. . 00963 AMENDED > W--I_--LDLIFE INTERNATIONAL Lm. PPRROOJJEECCTTNNOO.:: 44s544AA-l1001l 31. METHOD OUTLINE FOR THE ANALYSIS OF PFOS IN SALTWATER `Preparematrixfortificationsamplesbyspikingtherequisitevolumeof PFOSstocksolutionsdirectly into filteredsaltwater using gas-tightsyringesand Class Avolumetricflasks. + inversions, Dilutematrixfortificationandtestsamplesintotherangeofthecalibrationstandardsby partiallyfilling Class Avolumetricflaskswith 50%methanol : 50% NANOpurewater solutioncontaining 0`.s1a0mp0lmeagnd4bHrPiFnOgtSh(eifnltaesrkntalosvtoalnduamred)w/iLtLhatnhed0d.il0u5ti%ofnosromlivcenatc.iPdro(vc/ev)s.stAhdedmtahteraixpblpanrkosapmpvrloileuuasmietnogef the samedilutionandaliquotvolumeasforthe lowestfortificationlevel.Mixwellbyseveralrepeat 4 Ampulatesamplesand submitfor LCMSanalysis. Figur1e. Analyticalmethodflowchartfortheanalysisof PFOS insaltwater. 00964 WWI UIDLLDLIN IFFEE T INTERE NATIR ONALN Lo. ATION RPRROJEA CTNO:L e 4544-e 1. 01 n- 250 200 x Z 150 Ys g fio 050 000 000 0010 000 000 000 0050 Concentr(magtaii/oLn) Figure2. AtypicalcalibcrurvaeftoriPFoOSn.Slope =0.04044;Intercept =0.05941; r=0.9930. Curves weighted (14). 00965 AMENDED WILDI LIFE INTTEERNAATOIONNAAL LLm., ereemaeee PPREOOJEECCTENNO.O: S450440-1011 3 Intonsty: 3215cpa 100 us 90 80 70 a so "0 a /\ a0 20 181 J LvTTore2%SU3eNnm L aSRe S B6C% 17sEeaS nsm TSamne . Figure 3. Arepresentativeionchromatogramof alow-level (0.00229 mga.i./L)PFOSstandard. 00966 AMENDED WILDLIFE INTERNATIONAL Lm. 34 PROJECTNO.: 454A-101 " 175 Intent: 32743cps 0 a 7 o 5 " 5 151 . 2 2 25 127 05 . : S$T0 25en5 3LmABso 1sBe s7rs 2a1ss |TiSmeen Figured. Arepreseatativeionchromatogramofa high-level(0.0457mga.i/L)PFOSstandard. 00967 AMENDED WILDLIFE INTERNATIONALLo. -35- ~~ PROJECTNO:4s4adlol 100 90 80 20 Intensity: 1267 cps "2 : 1s 70 60 50 180 30 | 19A6 2o 0Je 2An AN alR |NSERW1 AN | T3er3h TSem ASor T6a% t7ars aait'm TSmano Figur5e. Arepresentativechromatogramofamatrix blanksample (454A-101-MAB-1). `Thearrow indicates thereteationtime ofPFOS. 660958 WIWILLDDLLIIFFEEIINNTTEERRNNAATTIIOONNAALLLLroo.. _36- PPRROOWJECCTTNNOO.:: 445s4Ai-d10o1l 7s en: 11119 cps 10 . o] - PE . s . 5 150 27 a 105 1 os 211s ape 230 o To Oh Sh hw Ok T 7 oak Tseane | Figure6. Arepreseatativechromatogramof amatrix fortificationsample (454A-101-MAS-1). 00969 WWIILLDDLLIIFFEEIINNTTEERRNNAATTIIOONALLLo.. -37- PPRROOEJECCTTNOO.::445544A-10011 100 173 Intensity: 12998cs 90 80 70 60 s0 40 2s 150 20 ol ha a _o1_uiz Se oeNN s TTTSST 220 | 8 Hh he th BEeABWe 1W81r 2U11h | sTemn Figur7e. Arepresentativechromatogramofatestsample (454A-101-3). 060970 WILDLIFE INTERNATIONAL Lm. 3. PROJECT NO: 454A-101 APPENDIXIV ChatnoPgroetocsol `Thisstudywasconductedinaccordancewiththe approved Protocolwiththefollowingchanges: 1. Theprotocolwasamendedtoaddthe proposedexperimentalstartandterminationdates,testsubstance 2. Theprotocolwasamendedtoremoveannualfeed analysis. 3. Theprotocolwasamendedtospecifytheanalyticalmethodtobeused. 4. Thetest chamberswereplastic buckets. 5. pHwasmeasureddailyinalltestchambers. 00971 WWIILLDDLLIIFFEEIINNTTEERRNNAATTIONAL Lem.enpnpfpnionoo -39- PROmJEnCT NOi.:l45m4A-101 APPENDIVX PersonnelInvolvedinthe Study `ThefollowingkeyWildlifeInternational Ltd.personnelwereinvolvedintheconductormanagementofthis study: 1. HenrOy,Krueger, Ph.D,Director,Aquatic Toxicologyand NooTargetPlants 2. WillarBd.Nixon,Ph.D, Manager,AnalyticalChemistry 3. Mark A.Maak,Laboratory Supervisor 4, TimothyZ.Kendall,Laboratory Supervisor 5. KurtR.DroSentioraBiorlog,ist 6. RaymonLd.VanHPoh.Dv. Seciennti,st 000972 WILDLIFE INTERNATIONAL Lo. 40 PROJECTNO: 454A-101 APPENDIVXI ReportAmendment 1. OriginalReport: Pa1-g 4,6e ands 21 Amendment: T`nheewpsiaggneastwureerseacnhdadnagteedstdouientcloutdheetahddeiatmieonnodefdthreerpeoprotrdattaem,ernevdimseednptaagsenAupmpbeenrdsi,xaVnId.. Reason: Toreflecttheissuingofanamended report. 2. OriginalReport: Page2 Amendment: Thecompliancestatementwasrevised. Reason: Toclarify howthetestsubstancewascharacterized. 3. OriginalReport: Pag9e `Amendment: Reason: iInncflourdmiantgitohneprreoavniadleydsibsydtahteeaSnpdotnhseoprruerfilteyc,wtiangsatdhdeerdeatnoatlhyseiTseosfttShuebtsetsatnscuebssetcatnicoen,. Toreflectthe currenttest substanceinformation provided by theSponsor. 4. OriginalReport: Entirereport. `Amendment: Alltest substance concentrationswere changedtoreflect thepurityofthetestsubstance. `as determinedby theSponsorin a reanalysis of thetestsubstance (FC-95, Lot217). Testconcentrations originallywerebasedonthe reported purityof 98.9%. The certofi anaf lysi isdcatead Mtarceh 9, 2000 indaipurcityaoft90e .49d%. Thereforael,l test substance concentrations, including nominal concentrations, measured concentrations, andLC50 values, were recalculatedand reported as mg a.i./L basedon `the 90.49% purity. Reason: To reporttheresultsofthetestbasedonthetestsubstancepurityof 90.49%atthe reqoftuheeSposnsotr. 5. OriginalReport: Page? `Amendment: `Experimental Termination --March 12, 1999 Reason: To reportthe experimental termination date for thestudy. 000973 AMENDED WILDLIFE INTERNATIONAL Lo. ane PROJECT NO.: 454A-101 APPENDIX VI ~ContinuedReport Amendment AMENDMENT SIGNATURES aml \ KStuurdtyRDiDrreoctttoarr #/56/00 DATE - Direct7or,;AqA uatic Toxicology and Non-TargetPlants a REVIEWED BY: Gren wa H Coleman `Quality Assurance Y-26-00 DATE 00974 AMENDED WILDLIFE INTERNATIONAL LTD. PROJECT NO: 454A-101 Page 1 of2 AMENDMENT TO STUDY PROTOCOL STUDY TITLE: PSFAOLS:TWAATE9R6-MHYOSUIRDS(TMyAsTiIdCopsAisCUbaThEia)TOXICITY TEST WITH THE PROTOCOL NO.: 454/110998/MYS-96H1/SUB454 AMENDMENT NO.: 1 SPONSOR: 3M Corporation PROJECT NO.: 454A-101 # EFFECTIVE DATE: December 21, 1998 AMENDMENT: Page2 Add: Experimental Start Date: 3/8/99 Experimental Termination Date: 3/12/99 Test Concentrations: Negative Control, 1.2, 1.9,3.2, 5.4 and 9.0 mg a.i/L `Test Substance No.: 4675 REASON: The above information was not known when the protocol was signed by the Study Director. AMENDMENT:TestOrganism, Page 5 Delete: Feed provided to the mysidsinthe cultures will be analyzed at least once annually to ensurethatthereare no contaminants at levels known to be capable of interfering with the study. REASON: HciosnttoarmiicanlanatnsalayrseepsroefseWaitldaltilfeeveIlnstekrnnaotwinontaol Lbted.caapqaubalteiocffientderhfaevreisnghwoiwtnhtthhaetsntuody. AMENDMENT: APPENDIX II, Page 13 Add: PLeirqfuiiudorCohocrtoamnaetSouglrfaoprihcy AcMiads,sPoStpaescstiruommeStarlyt (LCMS) (PFOS) in Method for Freshwater, FtihleteDreedteSramlitnwaattieornanodf Algal Medium. REASON: To add the analytical method to be used in the study. 00975 _ Reviewed] by OA 6 4 | WILDLIFE INTERNATIONAL LTD. LZ = \ | STUDY DIRECTOR 4 fe LABOI Y MANAGEMENT A. a. FasL ONSOR'S REPRESENTATIVE PROJECT NO.: 454A-101 Pa2gofe2 3/5177 DATE D: fs /79 3/23/99 DATE -- 00976 PROJECT NO.: 454A-101 ILDLIFE INTERNATIONAL LTD. DEVIATION TO STUDY PROTOCOL STUDY TITLE: FEO,PFOS: Aion A 96-HOUR sma Ace STATIC ACUTE TOXICITY TEST WITH THE PROTOCOL NO.: 454/110998/MYS-96H1/SUB454 DEVIATION NO.: | `SPONSOR: 3M Corporation oreo DATE OF DEFACTO DEVIATION: March 8, 1999 PROJECT NO.: 454A-101 DEVIATION: Ttheset cprhoatmobcoelrsstaatcetsuatlhlayt cthoentseissttcehdoamfbpelarsstwiicllbuccoknestiss.tofpolyethylene bottles. The REASON: nBiootlaogdivsetrsoevelrysiagfhfte.ct tIhteisretshuel`tbsoesfttjheudstugdym.oefnthte Study Directorthat this deviation did JZad)/ \ STUDY DIRECTOR ra LABORATORY MANAGEMENT re Spe3laq DATE alle DATE 0977 WILDLIFE INTERNATIONAL LTD. PROJECT NO.: 454A-101 Page 1 of 1 DEVIATION TO STUDY PROTOCOL STUDY TITLE: PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE SALTWATER MYSID (Mysidopsis bahia) PROTOCOL NO.: 454/110998/MYS-96H1/SUB454 DEVIATION NO.: 2 SPONSOR: 3M Corporation PROJECT NO.: 454A-101 DATE OF DEFACTO DEVIATION: March 8, 1999 DEVIATION: The protocol states that measurements of pH will be measured in alternate `mreapldiecatneslolfetaescthcthraemabtemresn,tandcontrolgroup. Measurementsof pHwereactually REASON: Biologistoversight. Itisthebestjudgmentof theStudyDirecthatttohirsdeviationdid `notadversely aftfheerecsulttsofthe study. LZzEad\ STUDY DIRECTOR 2/25/79 DATE LABORATORY MANAGEMENT Jr-- DATE 000978 | PROTOCOL | PFOS: "WITH TAH9E6-SHAOLUTRWSATTAETRICMYASCIUDTE(MTysOiXdIopCsIiTsYbaThEiaS)T | USS. Environmental Protection Agency Series 850 - Ecological Effects Test Guidelines (OPPTS Number 850.1035 | ML RegsNo.02723 i 3MCorporation l Submitted to Environmental Laboratory i St.PauPl.,0.MiBnonxes3o3t3a3155133 1 WILDLIFE INTERNATIONAL LTD. HH 8598 Commerce Drive i Easton, Maryland 21601 (410) 822-8600 1 000979 `November 9, 1998 1 PROTOCOL NO.: 454/110998/MYS-96H1/SUB454 3M LAB REQUEST NO. U2723 1 WILDLIFE INTERNATIONAL LTD. 1 = 1 `PWFIOTS:HTAH9E6-SHAOLUTRWSATTAETRICMAYSCIUDTE(yTsOidXoIpCsIiTsYbaThEiSa)T 1 SPONSOR 1 E3aMviCroornpmoreanttiaonLaboratory SP.t0P.auBlo,xMi3n3n3e3s1ota 55133 1 SPONSOR'SREPRESENTATIVE: Ms. Susan A. Beach TESTING FACILITY: 1 W8i5l9d8liCfoemImnteermcaetioDnrailveLd. Easton, Maryland 21601 1 STUDY DIRECTOR: KSeunritoDrrAoqtuiaartic Biologist 1 LABORATORYMANAGEMENT: HDeniryrOeo. fcKrAutqeugaoetrir,cPTLDo. xic&oNolnoTagrgyet Plants FOR LABORATORY USE ONLY _ 1 `Proposed Dates: I ExSptaerrtiDmaetn:tal TExepmeirniamteinotnalDate: pono: _AAA-JOL | Test Concentrations: -- 1 TestSubstanceNo Reference Substance No. (ifapplicable): | | empl eee I PROTOCOLAPPROVAL STUDY DIRECTOR DATE I AGEMENT a. i PONSOR'S REPRESENTATIVE BAT 30/92 DA' 000980 1 PROTOCOL NO: 454/110998/MYS-96HI/SUB4S4 3M LAB REQUEST NO, U2723 NILDLIFE INTERNATIONAL LTD. "3. INTRODUCTION `Wildlife International Ltd. will conduct a static acute toxicity test with the saltwater mysid (Mysidopsis bahia) for the Sponsor at the Wildlife Intemational Ltd. aquatic toxicology facility in Easton, Maryland. Thestudywill be performed based on the guidelines provided in the U.S. Environmental Protection Agency Series 850 - Ecological Effects Test Guidelines OPPTS Number 850.1035 (1); U.S. Environmental Protection Agency, Standard Evaluation Procedure, Acute Toxicity Testfor Estuarine and Marine Organisms (2);andASTMStandard E729-88a Standard Guidefor ConductingAcuteToxicityTests with Fishes, MacroinvertebratesandAmphibians (3). Rawdata for all work performed at Wildlife InternatioLntadl. and a copy of thefinalreportwillbe filed byproject numberinarchiveslocatedontheWildlifeInternationalLtd.site,oratanalternative locationtobe specified in the final report. PURPOSE `Thepurposeofthisstudyis todeterminetheacuteeffectsofatestsubstanceonthe saltwater mysid (Mysidopsis bahia) during a 96-hour exposure period under statictestconditions. EXPERIMENTALDESIGN `Saltwater mysidswillbeexposedto ageometricseriesofatleast fivetestconcentrations and a `negative(dilution water)controlfor 96hours.Tworeplicatetest chambers will bemaintainedineach treanadcotntrm olge roupn,witth 10mysidsincachchamberfor atotalof 20 mysidspertestconcentration. `Nominaltestconcentrationswillbeselectedinconsultationwiththe Sponsor,andwillbebased `upon the resultsofexploratory range-finding toxicity data, known toxicity data, physical/chemical `propertiesofthetestsubstanceorotherrelevantinformation. Targetconcentneread ntoiteoxcneesd 1000mg/Lorthesolubilitylimitofthe testsubstanceinwater (whicheveris lower). Generally, each testsubstanceconcentrationusedinthedefinitivetestwillbeatleast 60%ofthenexthigher `concentration unless information conceming the concentration-effect curve indicates that a different dilutionfactorwouldbemoreappropriate. Water samplesfrom cachtestchamberwillbecollectedat `specifiedintervalsforanalysisof thetest substance.Resultsofanalyseswillbeusedtocalculate mean measured test concentrations. PROTOCOL NO.: 454/110998/MYS-96H1/SUB454 3M LAB REQUEST NO. U2723 00951 WILDLIFE INTERNATIONAL LTD. -4- To control bias, juvenile mysids will be impartially assigned to exposure chambers at test initiation. Nootherpotentialsourcesofbiasare expectedtoaffecttheresults ofthe study. Each group `of 10willthenbetransferredtothetestchamber. Observationsof mortalityandotherclinicalsignswill be madethrotheu96-ghouhrteostpueritod. Cumulativepercentmortality observedinthetreatment groupswillbeusetdo calcwuhelnpaostsiebl,e, LCSvaluesat 24, 48, 72and 96 hour intervals. The `no-mortality concentration and the no-observed-effect concentration (NOEC) will be determined. TestSubstance MATEARNDIMEATHLODSS Information on thecharacterization of test, control or referencesubstances isrequiredby Good LaboratoryPractice Standards (GLP). The Spoisnressponosibrle for providing Wildlife International Ltd.writtenverificationthatthetestsubstancehasbeencharacterized according to GLPspriortoitsuse inthestudy. Ifwrittenverificationof GLPtestsubstancecharacterizationisnot providedto Wildlife International Ltd., it will be notedinthecompliance statementofthefinalreport. Theattached form IDENTIFOFITECSTASUTBSITAONCNE BY SPONSOR (AppendixI)istobeusetdo provide info necer ssarm yfoa r Gt LPci omplo iann ce. `TheSponsorisresponsibleforallinformationrelatedtothetestsubstanceandagreestoaccept. anyunused testsubstanceand/ortestsubstancecontainers remaining attheendofthestudy. PrepoafTerstaContcenitraotionns `Thetestsubstancewilladministered to the test organism directlyintodilution water. This route of administration wasselectedbecauseitrepresentsthemostlikelyrouteofexposuretoaquatic organisms. TestOrganism The saltwater mysid (Mysidopsis bahia) has been selected as the test speciesforthis study. Mysidsarerepresofeannitmpoarttanit gvroeupofaquatic marineinvertanedhbavrebaeetnseelesct,ed foruseinthe testbaseduponpastusehistoryandeaseofculturinginthelaboratory. Mystoibedussed in the test will be less than 24 hours oldand will be obtained from cultures maintained at Wildife GG0O9S2 PROTOCOL NO.: 454/110998/MYS-96H1/SUB4S4 3M LAB REQUEST NO. U2723 | WiLbLIFE INTERNATIONAL 1D. | -5- | IntemLda,Etastiono,Manryalanld.Theidentity ofthespecieswillbeverifiedbythesupplierofthe original culofbtyuWilrdliefe International Ltd. personnel using appropriatetaxonomickeys such as | Price (4). | `Mysidswillbeculturedi waterfromth samesourceandatapproximatelythe sametemperature aswill beusedduringthetest. Mysidsthat show signsofdiscaseorstressvillnotbe usedastest | organisms. | `Mysidsintheculturesandduringtesting willbefedatleastoncedaily. Thedietwillbelivebrine shrimpnaupli(Artemsip.a).Feedingduringculturingmaybesupplementedwith saltwateralgacand | rotiasfneeedreds. Food providedto mysidsintheculturesvillbeanalyzeda leastonceannuallyto ensurethatthere arenocontaminants atlevelsknown tobecapableofinterfering withthestudy. | Specification fo acoeptabelevelsofcontaminantsinmysiddietshavenotbeen established. However, there arenoknown levelsofcontaminants reasonablyexpected to bepresentin thediet thatare | consideredtointerferewith the purposeorconductofthe test. | -- `Ntural seawatercollectedatIndianRiverInlet,Delawarewillbethesourceofthedilutionwater | `usedintheculturefacilityandtestsystem.The seawaterwillbeilteedthrough a sandfilepriorto itsdeliveryto 37,800-Lhoklingtank.Thesalinityoftheseawatervillbedilutedto approximate2l0y */,, (partsprthousand)with WildlifeIntemationalLtd.wellwate intheholdingtank.The20 7,0 | saltwaterwillbeaeratedusingspraynozzlesandfiltered(0.45yan)prior toitsdelivery tothe fst | `SalinityandpHvillbemeasure weeklytomonitortheconsistencyofthesaltwater. Meansand | rangesofthemeasuredparameters forthefour-weekperiodprecedingthe testwillbeprovidedinthe finalreport. Analyseswillbe performedatleatonceannually todeterminetheconcentrationsof | selected organic and inorganic constituents ofthe seawater andresult of theanalyses willbe | `summairnithzefeindahl a 000983 | PROTOCOLNO.: 454/110998/MYS-96HL/SUB4S4 3MLABREQUENSOT, U2723 | . | WILDLIFE INTERNATIONAL LTD. | "6 | TestAoparatus Test chambers will consist ofpolyethylene bottles. The sizeofbotleandthevolumeoftest | solution will be sufficient to mest the requirements of sampling for analytical verificationoftest `substanceconcentrationsandroutine waterchemistryanalyses. Testchambers willbeindiscriminately | || `positionedin atemperatwuatrerbeat-hor<aonennvitronrmeontallclhamebedr.Testchambweilrlbse Iabelled withthe project number,testconcentration and replicate. `EnvironmentalConditions | Lightingusedtoilluminatethe culturesandtestchambersduringholdingandtesting willbe provided by fluorescenttubesthatemitwavelengths simtionlataurral sunlight (c.g, Colortone 50). 1 A photoperiodof 16hours oflight and 8 hoursofdark will be controlled with an automatic timer. A 30- `minutetransitionperiodoflowlightintensitywillbeprovided whe lights 80onand offtoavoidsudden 1 changesinlghtintensity.Lightintensity willbemeasa tuestriniteiatdion wiatSPEhR Scientific Lid. lightmeterorequivalent. | "Thetargettesttempewirllabet25u+r2eC.Temperaturewillbe measuredtoeachtestchamber 1 atthebeginning andendofthe testusing aliquid-n-glassthermometer, Temperalasotwuilrbee measuredwith continuousrecorderinonenegativecontrol replicate,Recordermeasurementswilbe 1 verifiedwith aliquid-n-glassthermometerprio to tetinitiation. Dissolved oxygenwillbemeasuredinallreplicatesofth treatmentandcontrolgroupsa test 1 initiationandat approximately 24-hourintervalsthereafterusing a Yellow SpringsInstrumentModel SBdissolvedoxygenmeter,orequivalent.Intheeventtha dissolvedoxygenlevelsfallbelow 60% 1 saturation,appropriateactionsvillbetakenafterconsultationwiththeSponsor. MeasuremeonftpsH. willbemadein altematereplicatesofeachtreatment andcontrolgroupattestinitiation andat | approximately 24-hourinervalsthereafterusing aFisherAccumetModel915pH mete,o equivalent. Ifatreatmentgroupreaches 100%mortality,dissolvedoxygen,pH,andtemperaturemeasurementswill 1 botakenatthenextsamplinginterval,thendiscontinued.Dilution watersalinitywillbemeasuredattest initiation using aBio-Marine, Inc. Aquafiunarefractometer,orequivalent. I 00984 I PROTOCOL NO.: 454/110998/MYS-96HI/SUB4S4 3MLABREQUESTNO, U2723 1 1 WILDLIFE INTERNATIONAL LTD. 1 2 1 `Biolo gical Measurements `Observationsofmortality and clinical s ig as ofto xi ci ty will be mad e between 0- 24 hours, and at 1 24, 48, 72and 96hours + 1hour.Theeriteriafordeathincludelack ofmovement,absenceof respiratory movements, andlackofreaction to gentle prodding. Sublethal effect, such as abnormal 1 locomotion, wil also be noted. Dead organisms will be removed from the test chambers at cach observation time. 1 Surin : 1 `Watersampleswillbecollectedfromeachtestchamberatthebeginning ofthetest,duringthe {estand atheendofthetesttodetermineconcentrations ofthetestsubstance.Inthecveatthat 100% 1 `msoarmtpalliintgyiontceccuvrals.iSnaamnpyletrsveaitlmlebnet,otlhlecntsdamapt mliindgdoefptthhfarttormeeaatcmhenetswticlhlatmerbmeirn,ataenafloylzleodwiimnmgetdhieanteexlty 1 or placed in an appropriate storage contain (2g, polyethylenc or polypropylene bottle) and stored underrefrigeunrtialatnailyozend.The sampleschemeissummaribezleowd: 1 PROPOSEDNUMBERS OF VERIFICATION SAMPLES ExperimentalGroup. OHow __48Hows 96Hous i Control 2 2 2 i Solvent Control(ifneeded) 2 2 2 Level 1-Low Concentration 2 2 2 1 Level 2 2 2 2 Level3 2 2 2 1 Level 4 2 2 2 Level 5-High Concentration 2 2 2 1 Totals 14 14 1 1 "Total Numberof Verification Samples 42 "Theabove numbersof samplsrepresentthosecollectedfromth testanddonotinclude quality control (QC) samples such as matrix blanks and fortifications prepared and analyzed during the analytical chemistry phaseofthe study. 0098S 1 PROTOCOL NO.: 454/110998/MYS-96HI/SUB4S4 3MLAB REQUEST NO. U2723 | 1 - | WILDLIFE INTERNATIONAL LTD. 1 Analytical Chemistry `ChemicalanalysisofthesampleswillbeperformedbyWildlifeInternational Lid. The analytical 1 `muesetdwilhlbeobasdeduponmethodologyprovidedbythe SponsorandidentifiedinAppendixIL. "Themethodologyused oanalyzethetes samplesvil bedocumentedinthe raw dataandsummarized 1 in the final report. 1 `Data Analysis `Whenthedose-responsepatternallowscalculation ofanLCS0value,thedatawillbe analyzed. 1 using thecomputersoftwareofC.E.Stephan (5). Theprogramwasdesignedtocalculatethe LCS0 value andthe 95%confidenceintervalbyprobitanalysis, themovingaveragemethod,orbinomial probability 1 `with nonlinear interpolation (6,7,8). TheLCS0 value willbe calculated,when possible,using mortality data collected at 24, 48, 72 and 96 hours. The no-mortality concentration and the no-observed-cffect 1 concentration (NOEC) will be determined by visually interpreting the clinical observation data. REC TOBOEMR AIND TAIS NED 1 Recordstobe maintainedfordatageneratedby Wildlife International Ltd.vilinclude,butnot 1 belimited to: 1. A copyofthe signed protocol. i 2. Ldentificationandcharacterizationofth tetsubstance,ifprovidedbythe Sponsor 3. Datesofinitiationandterminoaftthietoesnt. 4. Mysid history and culture records. 1 5. Stocksolutioncalcuanldapretpairatoionn ifapplicable 6. Observations i 7. Water chemistry results (8, dissolved oxygen) 8. Themethodsusedtoanalyzetestsubstanceconcentrationsandtheresultsofanalytical i -- 9. Statistical calculations,ifapplicable. i 10. Testconditions(ightintensity,photoperiod, tc). 11. Calculationandpreparationoftest concentrations. 1 12. Copyoffinal report 00986 1 PROTOCOL NO: 454/110998/MYS-96H1/SUB4S4 3MLABREQUEST NO, U2723 | . | WILDLIFE INTERNATIONAL LTD. | "5 1 FINALREPORT Afinalreport oftheresultofthestudy illbepreparedbyWildlifeIntemationalLud.Thereport 1 villinclude,butnotbelimitedtoth following,when applicable: 1. Nameandaddressofthefacilityperformingthestudy. 1 2. Dates uponwhichthestudywasinitiatedandcompleted an thedefinitiveexperimentalstartand termination dates. 1 3. A statementofcompliance signedby the Study Director addressing any exceptions to Good LaboratoryPractice Standards. i 4. Objectivesandprocedures, as statedintheapprovedprotocol, incalllcuhadngeistnotghe protocol. 1 5. Thetestsubstanceidentificationincludingname,chemicalabstract numberorcode number, strength, purity, composition, and other information provided by the Sponsor 1 6. Stability and solubility ofthe test substance under the conditionsof administration,ifprovided bythe Sponsor. 1 7. Adescription ofthemethodsusedtoconductthetest. 8. Adescriptionofthetestorganism,includingthesource,scientificname,ageo ifstage,feed 1 types, lightintensityandphotoperiod. 9. Adesoftcheprrepariatiopnoftte eistsoolutinons. 1 10. Themethodsusedtoallocateorganismstotetchambersandbeginthetest,thenumberof organisms andchamberspertreatment, and thedurationofthetest. 1 11. Adescriptionofcircumstancesthatmayhaveaffectedthequalityorintegrityof thedata. 12. ThenameoftheStudyDirectorandthenamesof therscientist,professionals,andsupervisory. personnelinvolvedinthe study. 1 13. A description of the transformations, calculations, and operations performed on the data, a `sumnaaryandanalysisofthe iologicaldataandanalyticalchemistrydata,and astatementofthe 1 concdrlawunfrsomitheoananlysses 14. Statisticalmethodsusedtoevaluatethedata. 1 15. Thesignedanddatedreportsofeaocfthhe individual scioeronthetrpriofesssitonasls involved inthestuifapdpliycab,le. i 16. Thelocationwhere raw dataandfinalrepost ar 0besored. 000987 i PROTOCOL NO.: 454/110998/MYS-96HI/SUB4S4 3MLAB REQUEST NO, U2723 WILDLIFE INTERNATIONAL LTD. -10- 17. AstatementpreparedbytheQuality AssuranceUnitlistingthedate tha studyinspectionsand audits weremadeandthedates of anyfindingsreportedtotheStudy Director andManagement. 18. Ifitisnecessarytomakecorrectionsoradditionsto afinal reportafterit hasbeen accepted,such changesvillbemadeintheformofanamendmentissuedbythe StudyDirector.Theamendment will clearly identifythepactofthe finalreportthatisbeingamendedandthereasonsforthe amendment,andvillbesignedbythe StudyDirector. CHANOFGPRIOTN OCG OL Plannedchangestotheprotocolvillbein theformofwritenamendmentssignedbytheStudy DirectorandtheSponsor'sRepresentative. Amendmentswill be considereads pstoftheprotocol and illbe tachedtothefinalprotocol.Anyotherchangeswillbeintheform ofwrittendeviationssigned bytheStudyDirectorandfiledwiththerawdata. Allchangestotheprotocolwillbeindicatedinthe final report GOOD LABORATORYPRACTICES "ThisstudywillbeconductedinaccordancewithGoodLaboratoryPractice StandardsforEPA (40CFRPart 160 and/or Part 792); OECD Principles ofGoodLaboPrractaicet(OoCDrE/GyD (92) 32, Environment Monograph No. 45); and Japan MAFF (59 NohSan, Notification No. 3850, `Agricultural ProductionBureau). EachstudyconductedbyWildlifeIntematioLnuadl.isroutinely examinedbythe Wildife InternationLtadl.QualityAssuranceUnitforcompliancewithGood Laboratory Practices, Standard Operating Procedures andthespecified protocol. A statement of compliancewithGoodLaboratory Practiceswillbepreparedforal portionsofthestudyconductedby Wildie Intemational Ltd. TheSponsorvil be responsible for compliance with Good Laboratory Practicesforproceduresperformedby therIaboratosies (cg, residueanaolrpyatsholeogys). Rawdata forallwork performedat Wildlife IntemationalLid.andacopyofthefinalreportvillbefiledbyproject number inarchiveslocatedontheWildlifeInternationalLid.sie, o at analterlnocaattionitvobee speicntiheffinialreepodrt. 00988 PROTOCOL NO.: 454/110998/MYS-96H1/SUB454. 3MLAB REQUEST NO. U2723 | WILDLIFE INTERNATIONAL LTD. | ne 1 REFERENCES i 1 (UdSra.fiE)n,vOiProPnTmSenNtuamlbPerorte8c5t0i.o1n03A5g:enMcyy.si1d9A9c,utSeerTioexsic8i5t0y-TEecsotl.ogical Effcts Test Guidelines 2 US. Environmental Protection Agency. 1985. Standard Evaluation Procedure, Acute Toxicity Testfor Estuarine andMarine Organisms (Shrimp 96-Hour Acute Toxicity Test) | D"HCa.zard Evaluation Division. OfficeofPesticide Programs. EPA-540/9-85-010, Washington, | 3 AFiSshTesM, SMtacarnodianrvderEt7e2b9r-a8t8esa, 1a9n9d4.AmSpthainbdiaarndsG.uiAdmeefroircaCnonSodcuicettiyfnogrATceustteinTogxiacnidtyMaTteesrtisalwsi.th | 4 tPhreiicre,EcWo.loWg.y. 19H8y2d.roKbeioyltoogitahe9S3h,a9l-l2o1w. WPart.eWrMyJsuikdaPucbelaisohfertsh,eTTheexaHsagCuoea.stPwriitnhteNdotinesThoen Netherlands. | 5 Stephan, CE. US. EPA. Personal communication. 1978. Environmental Research Laboratory, Duluth, Minnesota. | 6 Finney, DJ. 1971. StatisticalMethods in Biological Assay. Second edition. Griffin Press, London. | 7 Thompson, WR. 1947. Bacteriological Reviews. Vol IL, No. 2. Pp. 115-145. | 8 Stephan, CE. 1977. "Methods for Calculating anLCS0,"Aquatic ToicologyandHazard `Evaluations. American SocietyfToesting and Material. Publication Number STP 634, pp 65- 8 | 00989 | PROTOCOL NO: 454/110998/MYS-96HI/SUB4S4 3MLAB REQUEST NO. U2723 | WILDLIFE INTERNATIONAL LTD. | -12- 1 IDENTIFICATION OFATPESPTENSDUIBSXTANCE BY SPONSOR | TobeCompleted by Sponsor 1 Test Substance Identity (nameto be used inthe report): P(EOPS erfluo Sulr fonioc AocidcPot tasasiunmSaelt | Reference Standard (fapplicable): Analytical Standard: N/A Internal Standard: LP1e2c2HfHlHuoroocSultfonaicAncied | TestSubstance SampleCodeorBatchNumber: __Lot217 Test SubPursity(t%AcativneIngrcedieent): __98.9 Expiration Date: _2008 | IL Test Substance Characterization dHeavetermtihrneeidodepnrtoiitoyr,ls1triengsTthue,slesBin ethipuritysstaub nddyciomnpe aocscaiotrni idoaonnocnren oweitthsherGcshLaaPnrdaaScttraedrnbidsaercd.s? Yes No X_ IL Test Substance Storage Conditions | Pleaseindicatetheresommendedstorageconditionsat WilleIntemationalLid. --Ambietroomtemperawe 1 bHeiesnthestablyionfahcceorsdtanuceswtath GwLePSrtatnhdasrdsr? gcodons Yes No X_ | Other pertinent stability information: | IV. TestConcentrations: X__ Abdajsuesdtutpeosntcthoenpucreitnyt(r%)tag0it1vi0e0no%anboavie. DoanigTtesatdhietmtaetsetrciaolAnSeIcSt.iotno 100% | V. Toxicity Information: Mammalian RatLDS0 25lmghkg MousoLDSO_NA | Aquatic: Invertebrate Toxicity (EC/LCS0) Fish Toxicity (LCS0) D2 aphn7 iamam gna:gfle RaTiroutn:Libmeow Other Toxicity Information (including findingsofchronic and subchronic tests): 1 _BessseMsDS 1 00990 PROTOCOL NO.: 454/110998/MYS-96H1/SUB454 3M LAB REQUEST NO. U2723 1 . 1 WILDLIFE INTERNATIONAL LTD. i .n- ii Aeron Analytical Method to be Provided by Sponsor i i i i i i i f I # B f 000991 i PROTOCOL NO.: 454/110998/MYS-96H1/SUBAS4 3MLAB REQUEST NO, U2723