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UNITED NATIONS United Nation s A ~V Environment ~ia% r Programme Persistent Organic Pollutants Review Committee First meetin g Geneva, 7-11 November 2005 A R,4 p.1 S~ UNEP/POPS/POPRC .1 /INF/14/ Rev .

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Attachment A Comments On The Water Samples Sent To Exygen and Axys Analytical Services Ltd.

DuPont-19567 Review II: Perfluorooctanoic Acid (PFOA) In The Environment John T.

p. 1 a a6_ 36g~ INTERIM REPORT # 10 - Analysis of Fish and Clam Sample s STUDY TITLE Analysis of Perfl uorobutancaulfonate (PFBS), Perfluorohexanesulfonatc (PFHS), and Pexfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REOUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 SJUY DIRECTOR Jaisirnha Kesari P.E ., DEE Weston Solutions, Inc . 1400 Weston Way West Chester, PA 19380 Phone : 610-701-376 1 INTERIM REPORT COMPLETION DATE May 09, 2006 PERFORMING LABORATORY Exygan Research 3058 Research Drive State College, PA 1680 1 Phone : 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St .

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

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rca ANALYTICAL REPORT PFOAIPFOS Analysis Lots: Dect0284 Laura Vancho NewJ2e1r2seCyaArmegroicLaanneWater Delran,NJ 06075 TostAmerica Denver cPhreoljleectA.MaJnoahngsetron March 31,2008 958 Yow Set Anda COBY 3037360100 4203401717 ewwtsamarichncom DEP2.SDWE.000433 Table Of Contents Standard Deliverables Report Contents.

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Fg o le ehponlineorg _ AP224-3290 | EHENAVLITRHONMENTAL PERSPECTIVES | i| : Private Drinking Water Wells as a Source of Exposure to PFOA in Communities Surrounding a | Fluoropolymer Production Facility i Kate Hoffman, Thomas F.

. : I CLIENT PRIVATE 5] 16 | PROTOCOL TITLE: TR-a6n2g9e5fiinndRiantg HCeyptoattooxciyctietsy Assay of T-6292, T-6293, T-6294.

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a 226 [0] ES $ b2olocoon (& -R @ EPA--FMG Meeting = ARAL 2 2 Boon Washington March 7, 2001 TE Room 526 East Tower 1 EPA/FMG Meeting Purpose Review the background = Summarize and obtain feedback on the toxicology program Summarize the mass balance data ) = Review industry commitment for upgrading containment 1 Secure continued supply of fluoropolymer processing aides going forward Y WHAT WE NEED/WHAT WE WILL DO WHAT ELSE DO YOU NEED?