FOR DU PONT USE ONLY AR226-2890 Copies to: E.

Study Sponsor: Issue Date: Document Reference No.: ATOCHEM 28-Jun-84 511 TAL AR226-2917 Eye Irritation Author(s): A.

ROBERT V.

Underwriters Laboratories Inc.

3M Environmental Laboratory POOO3268; Interim Report#4 Analytical Report Analysis of PFBS, PFHS, and PFOS from 3M Decatur Offsite 600 Series Wells MPI GLP Protocol Number: P0003268 Interim Report#4 Data Requirement 40 CFR Part 792 Author M ichelle D.

1 - ^ 226-/76/ Wildlife International, Ltd.__________________ __________ Project Number 454A-104 PFOS: A 48-HOUR STATIC ACUTE TOXICITY TEST WITH THE CLADOCERAN (Daphnia magnet) ADDENDUM WILDLIFE INTERNATIONAL, LTD.

-AflUlo- Wildlife International, Ltd. -1 - Project Number 454C-107 DETERMINATION OF THE W ATER SOLUBILITY OF PFOS BY THE SHAKE FLASK METHOD ADDENDUM WILDLIFE INTERNATIONAL, LTD.

Attachment 2 * * 6 -/7 7 6 -e.

3M Medical Department Study: T-6295.4 Analytical Report: FACT TOX-002 LRN-U2121 Study Title 104-Week Dietary Chronic Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS T-6295) in Rats (Covance Study No.: 6329-183) Analytical Laboratory Report Title Determination of the Presence and Concentration of Perfluorooctanesulfonate (PFOS) in Liver and Serum Specimens of Crl:CD(SD) IGS BR Rats Exposed to Perfluorooctane Sulfonic Acid Potassium Salt (PFOS T-6295) Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date At signing Performing Laboratories Liver and Serum Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

Attachment II DuPont Statistical Analysis of Serum Lipid Data of Miteni Workers Confidential DuPont Draft Work Product Confidential DuPont Draft Work Product Confidential DuPont Draft Work Product LO G _LD L vs LO G _PFCV\ : 2 0 0 4 3. s.s 3.4 Slcpe p --m lu e LOG_P FOA = Q 02 5.5 $.2 t * S.1 m ft D O"u*1A*i1 J 4.z 4.7 4.44.5 4.4 4.5 4.2-1 .* * dI Z3 LPE-FfM LDG _LDL vs LO G _PFC A : 2 0 0 3 3.4 S.S Slope p --m lue LOS PFOA = 0.83 S.2 S.1 * 3.3 a 4.4 U 3 44 ^ 4.7 4.4 4.4' p V 4.4: 4,41 0 IZ3 L&E.FFDA 4 * 4 L O G _ L D L v s L O G _ P F Q fli : 2 0 0 2 3.1- 5.5- 3.7' Slope p--value LOG_PFCA = 0.07 5.5- 5.53.45.3- 5.1- , wm a r m . 3 5,0t.4.5 4.7 4.5 4.54.44.3- 1 * 1 1 ' ill"1 p * p i s -l -1 4 1 Z i 10C-PFM .* P * ft 45 L O G _ L D L v s L O G _ P F Q fli : 2 0 0 1 5.*- 5.3Slope p --value LOG PFCA = 0 .6 4 5.Z- * * mm m . m 3.1: 3.D o 4 .$ 1 3+5: 4.7: 4 .

AR226-2643 SHI AR226-2643 --92SS0''' PROJECT 1200000GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 202000GW SAMPLING 8/02 GW SAMPLING 8/02 201000GW SAMPLING 8/02 GW SAMPLING 8/02 212000GW SAMPLING 8/02 GW SAMPLING 8/02 SRCNAME THEME DATESMPL SMPLT WELL1 Groundwater 8/6/2002 FS WELL10 Groundwater 8/6/2002 FS WELL2 Groundwater 8/6/2002 FS WELL3 Groundwater 8/6/2002 FS WELL4 Groundwater 8/6/2002 FS WELL5 Groundwater 8/6/2002 FS WELL6 Groundwater 8/6/2002 FS WELL7 Groundwater 8/6/2002 FS WELL8 Groundwater 8/6/2002 FS WELL9 Groundwater 8/6/2002 FS SAMPLE_NUMBER SH-WELL1 SH-WELL10 SH-WELL2 SH-WELL3 SH-WELL4 SH-WELL5 SH-WELL6 SH-WELL7 SH-WELL8 SH-WELL9 TOP BOTTOM FILTERED T T T T T T T T T T CASNO 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 ANALYTE FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 RsItPost 306000 698000 697000 31700 243000 1540000 RsItVal UNITS 1200000 NG/L 306000 NG/L 698000 NG/L 697000 NG/L 202000 NG/L 31700 NG/L 201000 NG/L 243000 NG/L 212000 NG/L 1540000 NG/L Hit LAB_ANALYTE 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 QUAL EPA QUALJNHOUSE REVIEW METHODNO 01M-008-046 01M-008-046 01M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01M-008-046 01 M-008-046 AR226-2643 C8 results Envista 111104.xls Page 1 PREPMTHD PREPREP DRY LAB NUMBER RSLTMOD RESULT UNIT MDL PQL DUPNO None NS 1 L33570-1 1200000 NG/L 500000 1 None NS 1 L33570-10 306000 NG/L 50000 1 None NS 1 L33570-2 698000 NG/L 500000 1 None NS 1 L33570-3 697000 NG/L 500000 1 None NS 1 L33570-4 202000 NG/L 50000 1 None NS 1 L33570-5 31700 NG/L 5000 1 None NS 1 L33570-6 201000 NG/L 50000 1 None NS 1 L33570-7 243000 NG/L 500000 1 None NS 1 L33570-8 212000 NG/L 50000 1 None NS 1 L33570-9 1540000 NG/L 500000 1 SHI C8 results Envista 111104.xls Page 2

AR226-2666 56 R ES E A R CH .

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AR226-3587 P -2 Proven Results. 06 FE3 - ' rt r Analytical Report Fluorochemical Characterization of Aqueous Samples Fayetteville C8 Sampling 11/05 Exygen Research Laboratory Report No.