Document E5kryg5574jaomagK55LvrmL
Fluoroch Samples.
......
3048 Research rive Phone: (814)231-8032
Laborator!iEs,Inc.
StateCollege,PA 16801 Fax:(814)231-1253 or(814)231-1580
AnaW(;alReport
FluorochemicalCharacterizationof DrinkingWater Samples
PortSt.Lucie,Fl(W2363) Centre An.alyticalLaboratoryReport No. 023-007E
TestingLaboratory CentreAnalyticaLlaboratoryI,nc.
3048 Research Drive StateCollege,PA 16801
3M Environmental Laboratory Contact Kent R. Lindstrom Bldg.2-3E-09 P.O. Box 33331
St.Paul,MN 55133-3331 Phone: (651)778-5352
Requester Os J.Hansen,Ph.D. 3M EnvironmentalTechnology & SafetyServices
Bldg.2-3E-09 P.O. Box 33331 St.Paul,MN 55133-3331
PAGE 1OF:5
Introduction
Resultasrereportfeodrtheanalysoifsa serieosfdrini(wiantgersamplesreceivebdyCentre AnalyticaLlaborato(iesI,nc.(Centre)from the3M EnvironmentalLaboratory.The samples were collectefdrom PortSt.Lucie,Fl.The Centrestudynumber assignedtotheprojectis023-007.
Specififcluorochemicaclharacterizatiboynliquicdhromatography/tandem mass spectrometry (LCIMS/MS) was requestedforall'samplesA.totaolf16 samples were receivedforanalysis.
The samples were preparedand analyzedby LC/MS/MS forthefollownglisotffluorochemicals:
Table 1:TargetAnalysis
Compound Name PerfluorooctanSeulfonate PerfluorooctanSeulfonviamide Perfluorooctanoate
Acronym PFOS PFOSA POAA
Data generatedin supportof thisstudywas generatedaccordingto USEPA Good Laboratory Practices(GLPs). The analyticamlethod used was validatebdy Centre.The validatiopnrotocol
and resultasre on filweithCentre.Data presentedhere isthehighestqualitdyataavailablaetthis time.
2 Sample Receipt
The samples were submittedinindividuapllasbccontainersand were notpreserved.Sixteen individuaslample containerwsere received.Samples were receivedon 02115/00.The samp)e collectiodnateswere notsupplied.Chain-of-custodiynformatonispresentedinAttachmentA-
3 Holding Times
The analyticamlethod used was validatedagainsta maximum holdingtime of 14 days. The stabiliotfythe analytesofinteresftorlongerperiodshas notbeen determined.
PAGE20F5
4 Methods-AnalyticalndPreparatoly
4.1 LCIMSIMS
4.1.1 Sample PreparationforLCIMSIMS Analysis
Samples were initiatlrleyatedwith200 uL of250 mg/L sodium thiosulfastoelutiotno remove residuaclhlorineS.olidphase extractio(nSPE) was used to preparethe samples for LC/MS/MS analysis.A forty-milliploirtteironofsample was transferretdoa Cia SPE cartridge. The,cartridgweas firsetlutedwith5 mL of40% methanol inwatersolution.The eluatewas discardedand the SPE column was then elutedwith100% methanol. A 5 mi portionof methanolwas collectefdoranalysisby LC/MSIMS. Thistreatmentresultedin an dight-fold concentratioonfthesamples priortoanalysis.
4.1.2 Sample Analysisby LC/MSIMS
InHPLC, an aliquotofextractisinjecteadnd passed througha liquid-phascehromatographic column. Based on the affiniotfythe analyteforthe stationarpyhase inthe column relativteo theliquimdobile phase,the analyteisreta7inefdora characteristaimcount of time. Following HPLC separationE,SIMS providesa rapidand accuratemeans foranalyzinga wide range of organiccompounds, includinfgluorochemicalsE.lectrospraiysgenerallyoperatedatrelabvely mildtemperaturesm;oleculesare ionizedf,ragmented,and detected.Ionscharacteristoifc known fluorochemicalasreobservedand quantitateadgainststandards.
A HevAett-PackardHP1 100 HPLC system coupledtoa Micromass Ultma MS/MS was used to analyzethe sample extractsA.nalysiswas performed usingselectedreactionmonitoring (SRM). Samples were extractedon 2/25100and analyzedby MS/MS on 2/26100.The HPLC and MSIMS methods used foranalysisand instrumentparameterscan be foundinattachment D.
5 Analysis
5.1 Calibration A 7-pointcalibratiocnurve was analyzed at the beginningand end of the analyticaslequence forthe compounds of interesTthe calibratipoonintswere preparedat 0, 25, 50, 100,250, 500,and 1000 ng/L(ppt)The responseof thequanfitabo!nonversustheconcentrabonwas plottefdoreach pdint.Using linearegressiownithllxweightingt,heslope,y-interceapntd correlaticoonefficie(nrt)and coef5c7ioonftdeterminatio(nr)were determined.A calibration curveisacceptableK r> 0.985 0.970).
Calibrabonstandardsare preparedusingthesame SPE procedureused forsamples.
Calibraflocnheck standardswere analyzedperiodical(leyverythreetofivesample injeabons) throughoutthe analysissequence. Compliance is obtainedI the standardanalyte concentrationasrewithin+/-20% oftheactualvalue.
For theresultsreportedhere,calibraticorniterwieare met.
PAGE3 OF5
5.2 Blanks
Extractiobnlankswere preparedand analyzedwitheveryextractonbatchof samples. The extractiobnlanksshouldnot have any targetanalytespresentator above the concentratioonf thelow-leveclalibratisotnandard.For thesesamples,theextractiobnlankswere compliant Instrumentblanksintheform ofcleanmethanolsolventwere alsoanalyzedaftereveryhighlevelcalibratisotnandard,and afterknown high-leveslamples. Again,the blanksshouldnot have any targetanalytespresentat or above the low-leveclalibratisotnandard. For the samples presentedhere theinstrumentblanksarecompliant
5.3 Surrogates
Surrogatespikesarenota component oftheLC/MS/MS analyucalmethod.
5.4 MatrixSpikes
Matrixspikeswere preparedforevery sample at a concentratioonf 100 ngA- using all compounds ofinterestM.abix spikerecoveriesaregiveninAttachmentC. Fieldspikeswere alsopreparedon severalsamples ata concentratioonf 100 ng/L usingall compounds ofinterestF.ieldspikerecoveriesare alsogiveninAttachmentC.
5.5 Duplicates
Allsamples were analyzedinduplicate.Resultsare givenalong%Witthhe sample resultsin AttachmentB.
5.6 LaboratoryControlSamples
Milliwqaterwas spikedwithallcompound ofinteresatt25 and 250 ng/L.Allrecoveriesforall compounds were between 70-130% ineach LCS.
5.7 Sample Related Comments
Fieldblanksamples consistedof empty containers.Fortymillilitoefrtsype I waterfiltered througha hypercarbcartridgweas added to the empty containerand analyzedinthe same manner as theothersamples.
6 Data Summaty
Pleasesee AttachmentB fora detaileldistinogftheanalyucarlesults.
7 DatalSampie Retention
Samples are disposedof one month afterthe reportisissuedunlessotherwisespecifiedA.ll electronidcata isarchivedon retrievablmedia and hard copy reportsare storedin data foldersmaintainedby Centre.
PAGE4OF5
8 Attachments
8.1 AftachrnentkC-hain-of-CustDdy 8.2 AttachmentB: Resuftsl8.3 AttachmentC: MatrixSpikeRecoveries(Fieladnd LaboratorySpikes) 8.4 AttachmentD: LCIMS/MS Raw AnalyticaDlata
9 Signatures
Joh/n/Mflah
er-industriSaelrvicesGroup
KevinJ Lloyd,Vice President
Date --oo
Date
OtherLab Member s ContribubngtoData
Enaksha Wickremesinhe Karen Smith
PAGE 5 OFS
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Cc=ntrc=Analytical
Laborator!Fs, Inc.
3048 Research Drive,StateCollegePA 16801 814-231-8032 FAX 814-231-1253
AnalyticRaelsultWs2363PortSt.LucieF,l
3M Sample Identification
MC-61 5H MC-617H MC-620H MC-621 H MC-623H MC-626H MC-628H MC-631 H NA MC-632H NA MC-633H
Sample Description
lntake@P/N Intake-P/dNuplicate Intake-FieBlldank Empty Oufflow-P/N Oufflow-PINduplicate Site1 P/N SiteI PIN duplicate Site2 P/N Site2 P/N duplicate Site3 P/N Site3 P/N duplicate FieldBlank-P/NEmpty
PFOS (na)
<25 <25 < 25 < 25 < 25 <25 < 25 <25 < 25 < 25 < 25 < 25
PFOSA (ng/L)
< 25 < 25 < 25 < 25 < 25 < 25 < 25 < 25 < 25 < 25 < 25 < 25
POAA (ng/L)
< 25 <25 <25 <25 <25 < 25 < 25 < 25 < 25 <25 < 25 < 25
Pleaserefertothereversesideforour standardtei7nsand conditions.