AR226-2386 CONFIDENTIAL Polymer Products Department Research and DttvelopiaenC Division Experimental Station y?

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

CO AR226-2618 103-DuET-??

AR226-2626 14 AR226-2626 CVL PROJECT SAMPLING 7/04 CVL SAMPLING 7/04 CVL SAMPLING 7/04 CVL SAMPLING 7/04 CVL SAMPLING 7/04 CVL SAMPLING 7/04 CVL SAMPLING 7/04 CVL SAMPLING 7/04 CVL SAMPLING 8/04 - CVL SAMPLING 8/04 - CVL SAMPLING 8/04 - CVL SAMPLING 8/04 - CVL SAMPLING 8/04 - CVL SAMPLING 8/04 - CVL SAMPLING 8/04 - CVL SAMPLING 8/04 - CVL SRCNAME 001-EFF 602-EFF DB-2 DB-3 PW-4 PW-5 PW-6 PW-6 EHWC-AT EHWC-AT EHWC-BT EHWC-W3 EHWC-W4 EHWC-W5 EHWC-W6 FBLK-1 THEME Surface Water Surface Water Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Drinking Water Drinking Water Drinking Water Drinking Water Drinking Water Drinking Water Drinking Water Blank Water DATESMPL SMPLT 7/8/2004 FS 7/8/2004 FS 7/8/2004 FS 7/8/2004 FS 7/8/2004 FS 7/8/2004 PS 7/8/2004 DUP 7/8/2004 FS 8/30/2004 DUP 8/30/2004 FS 8/30/2004 FS 8/30/2004 FS 8/30/2004 FS 8/30/2004 FS 8/30/2004 FS 8/30/2004 FB SAMPLEJMUMBER CVL-W-001-EFF CVL-W-602-EFF CVL-G-DB-2 CVL-G-DB-3 CVL-G-PW-4 CVL-G-PW-5 CVL-G-PW-6-DUP CVL-G-PW-6 CVL-D-EHWC-AT-DUP CVL-D-EHWC-AT CVL-D-EHWC-BT CVL-D-EHWC-W3 CVL-D-EHWC-W4 CVL-D-EHWC-W5 CVL-D-EHWC-W6 CVL-K-FBLK-1 TOP BOTTOM FILTERED CA 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 0 0 T 38 C8 results Envista 111104-xls Page1 CVL QUAL INHOUSE 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 PREPMTHD 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 DRY W W W W W W W W W W W W W W W W LABNUMBER L0002858-8 L0002858-7 L0002858-1 L0002858-2 L0002858-3 L0002858-4 L0002858-6 L0002858-5 L0003262-3 L0003262-1 L0003262-2 L0003262-4 L0003262-5 L0003262-6 L0003262-7 L0003262-8 RSLTMOD < < < < < < < < < < < < < RESULT 6240 14800 10 489 10 10 10 10 10 10 10 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 MDL 100 1000 10 10 10 10 10 10 10 10 10 10 10 10 10 10 C8 results Envista 111104.xls Page 2

AR226-2671 61 AR226-2671 SOIL COLUMN LEACHING STUDY FOR PFOA Date: August 2004 Project No.: 507423 18983990.04006 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 1.0 STUDY PURPOSE & PRINCIPLE A soil column leaching study for perfluorooctanoic acid (PFOA) was designed by DuPont to determine the vertical mobility or leaching of air deposited ammonium perfluorooctanoate (APFO)/rainwater mobilized PFOA through clayey silt and silty clay soil.

AR226-2845 26^?

AR226-2849 LCUTE INHA: r ^ ^H----------' <-- -' Haskell Laboratory Report Ho.115-76 Report by: /\ /W^- 4 /^M^M^ yBfTic^A.

Study Sponsor: Issue Date: Document Reference No.: ELF ATOCHEM 25-Jan-95 53957 AR226-3009 Acute Toxicity to Daphnia Author(s): Coll: H.

SPONSOR ElfAtochemS.A.

AR226-3213 TRADE SECRET Study Title H-25134: Acute Eye Irritation/Corrosion Study in Rabbits Laboratory Project ID: DuPont-9104 TEST GUIDELINES: OECD Guidelines for Testing of Chemicals Section 4: Health Effects, No. 405 (1987) Commission Directive 92/69/EEC EEC Method B.5 (1992) AUTHOR: Carol Finlay, B.A.

AR age - 3270 452 ARZ26 - 3270 Vapor Pressure Determination:jo-- ] ~~ DUPONT REPORT 12735 |en---- VAPOR PRESSURE Test Guidelines) Authors Mary A.

AR226 3278 60 DR UNOACK-LABORATORIUM FOR ANGEWANDTE BIOLOGIE Earthworm (Eisenia fetida), Acute Toxicity Test in Artificial Soil ac. to OECD Guideline 207forTesting of Chemicals.

PROTOCOL 418-008: COMBINED ORAL (GAVAGE) FERTII,11'Y, DEVELOPMENTAL PFOS IN RATS (SPONSOR'S STUDY NUMBER: 6295.9) AND PF.RINATAt,/ POSTNATAL REPRODUCTION TOXICITY TABLE E20 (PAGE 1): I.ITTER OBSERVATIONS (NATURAI.1,Y DELIVERED PUPS) - ST)MMARY F2 GENERATION LITTERS ----------------- - --- ...................... ------------------- MATERNAL DOSAGE GROUP 1 11 HATERNAI, DOSAGE (MG/KG/I)AY) 0 (VEHICI,E) 0.1 ----------------------- ----------------------------------------------- DELIVERED LITTERS WITH ONE OR MORE LIVEHORN PUPS N 22 21 ......-----------------------------111 0.4 -------------------------------------- 24 PUPS DELIVERED ITOTAL) N MEAN+S.D. 316 14.4 + 3.5 325 15.5 + 2.5 357 14.9 + 2.6 LIVEBORN MEAN+S.D.

Summary Report 104-Week DietaryChronicToxicityand CarcinogenicitSytudy withPerfluorooctanSeulfonicAcid Potassium Salt(PFOS: T-6295) inRats PREPARED FOR: 3M COVANCE STUDY NUMMER: 6329-183 SUMMARY REPORT -WEEK 53 104Week DietarTyoxiciatnydCarcinogeniSctiutdyywithPerfluorooctane SulfonicAcid PotassiumSalt(PFOS; T-6295)inRats Timeline Covance 6329-183: In-lifsetartdate:April20, 1998 Week 53 completed:April25, 1999 Introduction The purposeofthisstudyisto assessthechronictoxicitaynd carcinogeniciotfythetest materialT,-6295 (PerfluorooctanseulfoniaccidpotassiumsaltP,FOS), when administered inthedietto ratsforatleast104 weeks.

3M MEDICAL DEPARTMENT CORPORATE TOXICOLOGY To: AndrewSeacat220-2E-02 cc:John Butenhoff 220-2E-02 From: Marv Case 220-2E-02 Subject:PathologyReview Date: 22 July1999 On 19 July1999 duringmy visiattCovance,Madison,I dida slidereviewof selected tissuesectionosn thePFOS six-monthmonkey toxicitsytudy(Study6329-223).