AR226-2553 To: Andrew S Hartten/AE/DuPont@DuPont Co: Subject: request for Information on perfluorochemicals can you make a m eeting this afternoon at 3:15 at chestnut run 711 . . . . . .

dODIIfe DuPont Engineering M y 22,2002 AR226-2590 DuPont EngiitiBring Bariev Mill P is - Bldg, V Lancaster Pike & Rte. 14) Wilmington, D E 138 Mr.

AR226-2626 RECYCLED CVL PROJECT SRCNAME SAMPLING 7/04 CVL 001-EFF SAMPLING 7/04 CVL 602-EFF SAMPLING 7/04 CVL DB-2 SAMPLING 7/04 CVL DB-3 SAMPLING 7/04 CVL PW-4 SAMPLING 7/04 CVL PW-5 SAMPLING 7/04 CVL PW-6 SAMPLING 7/04 CVL PW-6 SAMPLING 8/04 - CVL EHWC-AT SAMPLING 8/04 - CVL EHWC-AT SAMPLING 8/04 - CVL EHWC-BT SAMPLING 8/04 - CVL EHWC-W3 SAMPLING 8/04 - CVL EHWC-W4 SAMPLING 8/04 - CVL EHWC-W5 SAMPLING 8/04 - CVL EHWC-W6 SAMPLING 8/04 - CVL 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 FS 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 SAMPLE_NUMBER 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-EHW C-W 5 CVL-D-EHWC-W6 CVL-K-FBLK-1 TOP BOTTOM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 C 8 results Envista 111104.xls Page 1 FILTERED 0T OT 0T OT 0T OT 0T 0T 0T 0T 0T 0T 0T 0T 0T 0T CASNO 3825261 3825261 3825261 3825261 3825261 3825261 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 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 RsltPost 6240 14800 <10 489 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 RsItVal UNITS 6240 NG/L 14800 NG/L 5 NG/L 489 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L 5 NG/L Hit LAB_ANALYTE 1 FC-143 1 FC-143 0 FC-143 1 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 QUALJEPA AR226-2626 QUALJNHOUSE REVIEW METHODNO 01M-008-046 01M-008-046 01M-008-046 01 M-008-046 01 M-008-046 01M-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 01 M-008-046 01 M-008-046 01 M-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 C8 results Envista 111104.xls CVL LAB_NUMBER 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 PQL 500 5000 50 50 50 50 50 50 50 50 50 50 50 50 50 50 DUPNO Page 2

# AR226-2834 Material TestedT Haskell Laboratory f f"0"" and cn>Pany y ior Toxicology and Industrial, Medicine HASKELL LABORATORY REPORT NO. 162-73 ~ ' Material Submitted by; department, tProcedure--* TJ-huoG t,,sii.t material ao to young adult cha m , ai* as a 8wpenion in ACUTE_ORAL_TEST ' -- ma 6 rats in sin8le doses' Survi- - 0- - 0lsac(^ f ?

Author John W.

AR226-2927 FOR DUPONT USE ONLY Subchronic Inhalation Toxicity of Haskell Laboratory Report No. 182-85 E.

. i .

AR226-3137 CONFIDENTIAL SPONSOR Elf Atochem S.A.

AR226-3149 DuPont-3871 TRADE SECRET Study Title H-23960: In Vitro M am m alian Chrom osom e A berration T est In Chinese H am ster O vary (CHO) Cells Authors Ramadevi Gudi, Ph.D.

grtorf - iw if AMM- 3t* H-24678: Subchronic Toxicity 90-Day Oral Gavage Study in Rats_________________________________________________________ DuPont-6554 TRADE SECRET Study Title H-24678: Subchronic Toxicity 90-Day Oral Gavage Study in Rats Volume 4 of 4 Laboratory Project ID: DuPont-6554 Test Guidelines: U.S.

P-O 000220 ) onti -tmtyv From: To: Barbara J Dawson on 10/19/2000 1201 PM Beth F Basham/AE/DuPont@DuPont.

Federal Register/Vol. 71, No. 1 9 /Monday, January 30, 2006/Notices 4913 SUMMARY: The EPA Science Advisory Board (SAB) Staff Office announces a public teleconference meeting of the chartered SAB to discuss a draft SAB report, EPA's Draft Risk Assessment of the Potential Human Health Effects Associated with Exposure to Perfluorooctanoic Acid (PFOA): A Review by the PFOA Review Panel of the EPA Science Advisory Board.

3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

\6YY p.1 m i 2 6 - 3733 July 28, 2006 u c ; QO 05 HUG - 1 " " D ' DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

Off-site sampling of PFOA, PFBS, PFFIS, and PFOS concentrations.