BACK TO MAIN FETAX - FROG EMBRYO TERATOGENESIS ASSAY - XENOPUS TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS, U2723 or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: Sample obtained from 3M production lot number 217.

BACK TO MAIN STABILITY IN WATER (HYDROLYSIS) TEST SUBSTANCE Identity: Remarks: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as NEtFOSE alcohol. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS# 1691-99-2). 3M production lot number was 936.

BACK TO MAIN Study T i t l o Acute T o x i c i t y of N2803-4 t o tho Fathead XIIinOW, Phephdlerr prcreld8 Data Ooquiroxmntr Ouidolfne Uurber V.8. tPA-TSCA, Guideline 797.1.400 Aut tior 8 Timothy J.

BACK TO MAIN 3048 Research Drive LPhone: (814) 231-8032 State College, PA 16801 .

BACK TO MAIN CEntrtz Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Port St.

SRPT /_2_-'5__ Study No.

,, 3M Specialty Materials 3M Center St.

EI18636: Slide Revofpianecrewas lesionsfrom DuPoAnPFtO Study DateofReview: 28*Noveraber 2001-11-29 ReviewingPathologists: Dr E E McCoanndDnrJeR Flostler Stady No: HN-18636 StWuydlydT6i63f.le:CombinedChronic Toxicity/Oncogenicity StodywithLinuron, C8 end `Concolftuhesreivioewn: t`hTheerovfienrdailnlgcs.onTclhuesiroenvoifetwchoenrfeivrimeewdotfhtehceatrcwionsotguedniiecsewfafsectthoafttAhPeFyOwienretnheotDiunPcoonnstissttuednyt.in ``vaandstchoensmidsetreldi1l0byeexapldaencarteiaosnefdsrentshietJiavciktyfofoantohnedceovgeenlcotpimceenftfeocftpaonfcArPeaFtiOcianctihnear3eMffsetcutsd,y `sctoumdbyisnheodwwietdhthaenfuunlldseprecretprourmtionfg oAfPtFhOe-aicnidnuacrheydpeacripnlaarspiraoltihfaetrwaatisopnrsfesoemnth.yTpherepDluasPioant 2ts ahrefrletcootciaonruocifgnionmhaad.eqIutaschyoiunltdbheenoroitgeidntahlaitnttehreprceotamtmieonnotfotnhuensdteurdryebpuotrmteirnegilynroeftleicnttsetahdeed . fyaecartstshiatnkcneotwhlee3dMges,taunddydwisacsrriempionratteido.n oAfftihneaslecsuobflnepfancireorafttimhcialsecsotinoncisl,ubosaisnoandvaanwcaedaiimnttohrsee extensivereviewofthepancreasslidesfromthe 3Mstudytobecarried outbyDrMcConnell.

AR226-2009 AGENDA C-8 REVIEW - APRIL 26. 1990 I.

AR226-2016 C-8 TRENDS IN AIR c 8 I N A !

AR226-2414 ^-a QPP_ SITE gAMPLtm S-9 PP 3/3.3/8?

Confidential AR226-2510 3/26/2002 i BLANK"'11 M100 M200 500.0000 500.0000 0.1230 0,3900 61.5000 195.0000 M300 500,0000 0,6910 345,5000 M400 500.0000 0.9540 477.0000 M500 500.0000 1.3990 699.5000 M600 500,0000 2.5680 1284.0000 M700 500.0000 3.2930 1646.5000 " " 7478 252598 697483 1306233 1746554 2490782 4240046 5679062 SWKKI 191 IBSSSBlBiB^teSIW 1 aSSis SS HHHBBHIcTcr^--------^^ 474185 238556 0.5 61.9 5,3 276073 689308 2.5 186.6 5,8 486150 1291837 2.7 358.7 6,1 467189 1732720 3.7 486.8 6.2 479910 2476571 5.2 705.9 6.3 481732 4225781 8.8 1230.9 6,6 536227 5663183 10.6 1669.2 6.7 3.4 3.2 n. a. " 2.8 0 1 0 2,6 + 2.2 Confidential Standard Plot Standrad Linearization Plot i1.0405x-3.8037 R2 0.9992 4 5 3 LOG (Corrected C-8 Peak Height) 3/26/2002 Confidential BE-CB/PPL(7)) BE-CB/PPL(14)) 44.9 (DM/CM) gg 56.2(dm/cm) fil 3/26/2002 i| 72.6 (DM/CM) 72.8((drVcm) Sy Page 3 60.0 (DM/CM) 72.4(dn/cm) 1/7/2002 MON. 1/14/2002 mon.

AR226-2638 26 AR226-26FA3Y 8 PROJECT FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAYETTEV1LLE GW 1/03 FAYETTEVILLE GW 1/03 FAYETTEV1LLE GW 1/03 FAYETTEVILLE GW 1/03 FAYETTEVILLE GW 1/03 FAYETTEVILLE GW 1/03 FAYETTEVILLE GW 1/03 FAYETTEVILLE GW 1/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 7/04 FAYETTEVILLE SAMPLING 7/04 FAYETTEVILLE SAMPLING 7/04 SRCNAME 1-S EBLK-1 NAF-01 NAF-02 NAF-03 NAF-04 OF-002 SMW-01 SMW-02 FBLK-1 FBLK-2 MW-1S MW-1S NAF-01 OUTFALL 002 SMW-01 SWM-02 FBLK-1 MW-1S NAF-01 NAF-01 OUTFALL-002 SMW-01 SMW-02 001 002 003 004 005 006 007 008 009 010 011 012 013 014 FIELD WATER #562877-DOMESTIC H20 #562878-DOMESTIC H20 BLANK THEME Groundwater Blank Water Groundwater Groundwater Groundwater Groundwater Surface Water Groundwater Groundwater Blank Water Blank Water Groundwater Groundwater Groundwater Surface Water Groundwater Groundwater Blank Water Groundwater Groundwater Groundwater SurfaceWater Groundwater Groundwater Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Blank Water Drinking Water Drinking Water Blank Water DATESMPL 2/3/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/4/2004 2/3/2004 2/3/2004 2/3/2004 1/27/2003 1/28/2003 1/28/2003 1/28/2003 1/27/2003 1/28/2003 1/27/2003 1/27/2003 3/27/2003 3/27/2003 3/27/2003 3/27/2003 3/27/2003 3/27/2003 3/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 10/27/2003 7/15/2004 7/15/2004 7/15/2004 SMPLT FS EB FS FS FS FS FS FS FS FB FB DUP FS FS FS FS FS FB FS FS DUP FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS FS SAMPLEJMUMBER FAY-G-1-S FAY-K-EBLK-1 FAY-G-NAF-01 FAY-G-NAF-02 FAY-G-NAF-03 FAY-G-NAF-04 FAY-W-OF-002 FAY-G-SMW-01 FAY-G-SMW-02 WWK-K-FBLK-1 WWK-K-FBLK-2 WWK-G-MW-1S-2 WWK-G-MW-1S WWK-G-NAF-01 WWK-W-OUTFALL-002 WWK-G-SMW-01 WWK-G-SWM-02 FAY-K-FBLK-1 FAY-G-MW-1S FAY-G-NAF-01-1 FAY-G-NAF-01-2 FAY-W-OUTFALL-002 FAY-G-SMW-01 FAY-G-SMW-02 FAY-Z-001 FAY-Z-002 FAY-Z-003 FAY-Z-004 FAY-Z-005 FAY-Z-006 FAY-Z-007 FAY-Z-008 FAY-Z-009 FAY-Z-010 FAY-Z-011 FAY-Z-012 FAY-Z-013 FAY-Z-014 FAY-K-FIELD WATER FAY-D-#562877-DOMESTIC H20 FAY-D-#562878-DOMESTIC H20 FAY-K-BLANK TOP BOTTOM 0 0 T 0 0 T 0 0 T 0 0 T 0 0 T 0 0 T 0 0 T 0 0 0 0 T 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 C8 results Envista 111104.xls Page 1 FAY QUALJNHOUSE REVIEW METHODNO 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 01M-008-046 PREPMTHD NS NS NS NS NS NS NS NS NS None None None None None None None None None None None None None None None NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 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 NS NS NS NS NS NS DRY W W W W W W W W W 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 W W W W W W W W W W W W W W W W W W LAB NUMBER L000178-3 L000178-4 L000178-5 L000178-6 L000178-7 L000178-8 L000178-9 L000178-1 L000178-2 L34144-1 L34144-6 L34144-8 L34144-7 L34144-4 L34144-5 L34144-2 L34144-3 L34375-5 L34375-7 L34375-3 L34375-4 L34375-6 L34375-1 L34375-2 L353241-1 L353242-1 L353243-1 L353244-1 L353245-1 L353246-1 L353247-1 L353248-1 L353249-1 L3532410-1 L3532411-1 L3532412-1 L3532413-1 L3532414-1 L3532415-1 L0002906-1 L0002906-2 L0002906-3 RSLTMOD < < < < < < < < < < < < < < < < < < < < < < < RESULT NQ 10 61.9 303 1530 123 NQ 10 10 NQ NQ 64.9 NQ NQ 68.4 62.8 NQ 10 10 10 10 115 10 10 10 NQ 116 10 NQ 698 10 10 10 10 10 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 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 MDL 10 10 10 10 20 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 PQL 50 50 50 50 100 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 DUPNO 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 C8 results Envista 111104.xls Page 2

OS AR226-2660 RESEARCH Precise Research. \ Proven Results.

AR226-2775 FOR DU FONT USE ONLY I.