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3M Environmental LaboratoryStudy BACK TO MAIN Analytical Report: FACT GEN-050 LlMS E01-0096 Analytical Laboratory Repott Title Determination of PFOS, PFOSA, and PFOA Levels in - Surface Water Samples from Port St.

oa SM SeettyMal S 3MComueMrNc 35144, -1000 smo aM VIAHAND DELIVERY Avg, D OfficoeofcPoClolnuuttrioolmnOPfrfeiecveen(tni4o0n7taMnd)Toxics (OPPT) DEoPcAkEeatsAtR,-R2o2o6m 6428 1201Constitution Avenue, NW WashinDgCt2o04n6,0 Phone:202-564-8930 AttQePPn TDot ckeitNo o.AnR-2:26 Re: EnaviirntosSnamdletnstaland HealthAssessmentofPerfluorooctane SulfonicAcid DearSiror Madam: AssessmTeennctloofsPeefrofrltuhoreodoocctkaenteaSnuellfeocntircAonviicdcoapndy otfs 3SMat'ss,""dEantveidroAnumgeunstta2la0n,d2H00e3a.lTthhis documentprovidesan assessmentintegratingall oftheavailabledataregardingPFOS.

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AR226-2674 64 AR226-2674 PROJECT LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 SRCNAME FBLK-2 FBLK1 FBLK1 FBLK1 FBLK1 FBLK1 FBLK1 FBLK2 FBLK2 FBLK2 LHPSD1 LHPSD2 LHPSD3 LHPSD5 LHPSDTW1 LHPSDTW10 LHPSDTW11 LHPSDTW12 LHPSDTW2 LHPSDTW3 LHPSDTW4 LHPSDTW5 LHPSDTW6 LHPSDTW6 LHPSDTW9 LHWAE1 LHWAFBLK LHWAFBLK1 LHWAFBLK3 LHWAFBLK4 LHWAN1 LHWANE1 LHWANE1 LHWANE2 LHWANW1 LHWANW1 C8 results Envista 111104.xls wwo THEME Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Drinking Water Drinking Water Drinking Water Drinking Water Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Blank Water Blank Water Blank Water Blank Water Groundwater Groundwater Groundwater Groundwater Soil Soil I3ATESMPL SMPLT 8/23/2002 FB 8/20/2002 FB 8/21/2002 FB 8/22/2002 FB 8/26/2002 FB 8/28/2002 FB 8/30/2002 FB 8/21/2002 FB 8/27/2002 FB 8/29/2002 FB 8/21/2002 FS 8/21/2002 FS 8/21/2002 FS 8/21/2002 FS 8/22/2002 FS 8/22/2002 FS 8/21/2002 FS 8/21/2002 FS 8/22/2002 FS 8/22/2002 FS 8/23/2002 FS 8/23/2002 FS 8/22/2002 DUP 8/22/2002 FS 8/22/2002 FS 8/30/2002 FS 8/23/2002 FB 8/26/2002 FB 8/28/2002 FB 8/29/2002 FB 8/29/2002 FS 8/20/2002 FS 8/22/2002 FS 8/30/2002 FS 8/29/2002 FS 8/29/2002 FS SAMPLEJMUMBER WWO-K-FBLK-2 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK2 WWO-K-FBLK2 WWO-K-FBLK2 WWO-D-LHPSD1 WWO-D-LHPSD2 WWO-D-LHPSD3 WWO-D-LHPSD5 WWO-G-LHPSD-TW1 WWO-G-LHPSD-TW 10 WWO-G-LHPSDTW11 WWO-G-LHPSDTW12 WWO-G-LHPSD-TW2 WWO-G-LHPSD-TW3 WWO-G-LHPSD-TW4 WWO-G-LHPSD-TW5 WWO-G-LHPSD-TW6-2 WWO-G-LHPSD-TW6 WWO-G-LHPSD-TW9 WWO-G-LHWAE1 (21-26) WWO-K-LHWAFBLK WWO-K-LHWAFBLK1 WWO-K-LHWAFBLK3 WWO-K-LHWAFBLK4 WWO-G-LHWAN1 (17-22) WWO-G-LHWANE1 (21'-27') WWO-G-LHWANE1 (56--58-) WWO-G-LHWANE2 (20.7-25.7) WWO-S-LHWANW 1(0.1 -0.5) WWO-S-LHWANW1 (5.0-5.5) FOP BOTT 21 17 21 56 20.7 0.1 5 Page 1 1^VWO QUALJIMHOUSE REVIEW METHODNO PREPMTHD 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 4500-CN D 4500-CN D 4500-CN D None 8321 A 8321A 8321A 4500-CN D 8321A 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 4500-CN D 8321 4500-CN D 8321 PREPREP NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS DRY 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 LABNUMBER L33596-12 L33585-2 L33585-9 L33596-8 L33605-3 L33615-4 L33619-4 L33585-3 L33605-5 L33615-6 L33585-4 L33585-5 L33585-6 L33585-7 L33596-3 L33596-1 L33585-10 L33585-8 L33596-2 L33596-5 L33596-11 L33596-10 L33596-7 L33596-6 L33596-4 L33619-3 FHC8H-1 FHC9F-1 FHC9G-1 FHC9L-1 L33619-1 L33585-1 L33596-9 L33619-2 FHK64-1 FHK65-1 RSLTMOD < < < < < < < < < < < < < < RESULT 3650 4260 952 8090 810 1100 1730 824 80.6 4170 12300 6260 1230 1150 812 416 0.020 0.020 0.020 0.020 50800 5580 662 1280 110 6.1 UNIT NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L UG/L UG/L UG/L UG/L NG/L NG/L NG/L NG/L UG/KG UG/KG MDL PQL 50 50 50 50 50 50 50 50 50 50 500 500 100 500 500 500 500 50 50 500 5000 500 500 500 500 50 0.020 0.050 0.020 0.050 0.020 0.050 0.020 0.050 5000 500 50 500 0.79 11 0.17 2.4 DUPNO 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 C8 results Envista 111104.xls Page 2 PROJECT LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 MOU SAMPLING 2Q04 WWO MOD SAMPLING 2Q04 WWO MOU SAMPLING 2Q04 WWO SRCNAME LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWAS1 LHWAS2 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWAW1 LHWAW2 EDDYEE FBLK-4 FBLK3 C8 results Envista 111104-xls wwo THEME DATESMPL SMPLT Soil 8/29/2002 FS Soil 8/29/2002 FS Soil 8/29/2002 FS Soil 8/29/2002 FS Groundwater 8/29/2002 FS Soil 8/29/2002 FS Groundwater 8/29/2002 DUP Groundwater 8/29/2002 FS Groundwater 8/28/2002 FS Groundwater 8/27/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Groundwater 8/23/2002 FS Soil 8/26/2002 FS Soil 8/26/2002 FS Groundwater 8/26/2002 FS Soil 8/26/2002 FS Groundwater 8/26/2002 FS Soil 8/26/2002 FS Groundwater 8/28/2002 FS Soil 8/28/2002 DUP Soil 8/28/2002 FS Groundwater 8/28/2002 FS Soil 8/28/2002 FS Groundwater 8/28/2002 FS Groundwater 8/29/2002 FS Groundwater 8/29/2002 FS Drinking Water 6/30/2004 FS Blank Water 6/30/2004 FB Blank Water 6/29/2004 FB SAMPLE_NUMBER WWO-S-LHWANW1 (10.0-10.5) WWO-S-LHWANW 1(15.0-15.5) WWO-S-LHWANW1 (20.0-20.5) WWO-S-LHWANW1 (21.0-21.5) WWO-G-LHWANW1 (19-25) WWO-S-LHWANW1 (25.0-25.5) WWO-G-LHWANW1 (24-29)-2 WWO-G-LHWANW1 (24-29) WWO-G-LHWAS1 (25-30) WWO-G-LHWAS2 (25-30) WWO-S-LHWASW1 (0.3-0.9) WWO-S-LHWASW1 (5.0-5.6) WWO-S-LHWASW1 (11.2-11.7) WWO-S-LHWASW1 (15.5-16.0) WWO-S-LHWASW1 (22.1 -22.6) WWO-S-LHWASW1 (26.5-27.0) WWO-S-LHWASW1 (30.0-30.5) WWO-S-LHWASW1 (30.5-31.0) WWO-G-LHWASW1 (28.5-33) WWO-S-LHWASW1 (37.0-37.5) WWO-S-LHWASW1 (37.5-38.0) WWO-G-LHWASW1 (35-40) WWO-S-LHWASW1 (44.3-44.5) WWO-G-LHWASW1 (40-45) WWO-S-LHWASW1 (47.5-48.0) WWO-G-LHWASW1 (45-50) WWO-S-LHWASW1(53.5-54.0)-2 WWO-S-LHWASW1 (53.5-54.0) WWO-G-LHWASW1 (50-55) WWO-S-LHWASW1 (55.5-56.0) WWO-G-LHWASW1 (55-60) WWO-G-LHWAW1 (29-34) WWO-G-LHWAW2 (33-38) WWO-D-EDDYEE WWK-K-FBLK-4 WWK-K-FBLK3 TOP BOTTO 10 1 15 1 20 2 21 2 19 25 2 24 24 25 25 0.3 5 11.2 1 15.5 22.1 2 26.5 30 3 30.5 28.5 37 3 37.5 35 44.3 4 40 47.5 45 53.5 53.5 50 55.5 55 29 33 0 0 0 Page3 a^^&stZis^^^fi^x^^'s'MS^^iii&^'&s^^^sai^^^^^s-^aia;!

REVISED Material Tested E.

AR226-3092 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE H-22762: STATIC, ACUTE 48-HOUR SCREENING TEST TO Daphnia magna PURPOSE: This is a rangefinding study designed to provide an estimate of aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.

AR 226 3228 410 AL226_ 3228 FINAL REPORT [-------- 'MICROSOME JsuvvoneLr-sscuericrs COLIIMAMMALIANMUTATION ASSAY WITH A CONFIRMATORY ASSAY COVANCE STUDY 22900-0-4090ECD STUDY SCHEDULE: Study Initiation Date: Initial Dose Date: Study Termination Date: Final Report Date: 23 October 2001 29 October 2001 10 December 2001 11 February 2002 - StudyDirector:(--) STUDY DIRECTOR, SPONSOR, AND TESTING FACILITY i Testing Facility: "ovance Laboratories, Inc.

PFOS: A WHour ToxicitTyest withthe FreshwaterAlga (Selenastrumcapticomutum) TOXICITY TO AQUATIC PLANTS (E.G.

ARA26 - 3292 45 TRADE SECRET Study Tide F-25509: Repeated Dose Dermal Toxicity 28-Day Study in Male Rats AR 226_ 3293 DuPont 11763 TEST GUIDELINES: US.

aff ~ ~ i #RARG -- 403 7 | AR&R26- 3403 | | ID | i| Site Manual for DuPont PFOAScreening "sThhiipspsiintge cmlainnvicaall csontaainmsfionpsttrhluecDiueoPnsoasnntdPfFOoA qtruoasrutmpeprolsyrtsccroelenliencgtpingr, pjro.cessing, nd SampleCollection onSSuUnnPiPIES......evcrrersn Page -- PaScakimnpglaenPdSHripoDIncgfoFreLhOesRPSRsAOADiAISSEnG.y.g.. co 3 PFOASample Collection Record...

AR 126-0065 a Centre Analytical Laboratories, Inc.