Principal Epidemiologist, DuPont Haskell Laboratory for Health and Environmental Sciences EPA, January 10, 2005 1 EXHIBIT 2 --JJ x <HJ> Agenda Purpose of Study General methodology Results to date (clinical pathology parameters) Summary Timeline Further Work EPA, January 10, 2005 36 Purpose of Study Primary objectives : - rDveaelarviateioblonlepsshsstipautgoisgtfeiscseaterludmmboydPeFpOlsreAtvhitoaouthsdeaeanslcitmhribaoeluattchnodeme worker studies, taking into account potential confounders and effect modifiers. - Conduct retrospective cohort mortality analyses using appropriate stratification based on estimated past exposures to PFOA.

AR226-2618 Distribution on last page DuPont Engineering Technologies Wastewater Group Brandywine DuPont Company Analysis of Perfluorooctanoic Acid (PFOA) In Samples From The Chambers Works Wastewater Treatment Facility Final Report Work Done By: Report Written By: Previous Related Reports: Project Code: Period Covered: Notebook Numbers: Date of Issue: Reviewed by: Approved by: Stephen Constable, Lynn Dekleva, Barbara Larsen, Stan Bachmura, R.

_ 14fe D u P on t-13309 Perfluorooctanoic Acid: Lactational and Placental Transport Pharmacokinetic Study in Rats Work Request Number 14787 Service Code 1569 Protocol Haskell Animal W elfare Committee Number: <> -1- RECEIVED 0PPTNC1C 2803SEP -* AH 8*1* 5 Perfluorooctanoic Acid: Lactational and Placental Transport Phannacokinetic Study in Rats D u P on t-13309 TABLE OF CONTENTS Page INTRODUCTION...............................................................................................................................3 OBJECTIVE........................................................................................................................................ 3 SPONSOR AND TEST FACILITY............. ....................................................................................3 REGULATORY COMPLIANCE.....................................................................................................3 STUDY DESIGN................................................................................................................................4 A.

The virgin Powdered Activated Carbon (PAC Calgon WPX-D) was obtained from DuPont Secure Environmental Treatment (SET) and was stored at room temperature.

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AR226-3188 DuPont-4739 TRADE SECRET Study Title H-24616: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 5 of 5 Laboratory Project ID: DuPont-4739 TEST GUIDELINES: U.S.

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Box 50, Elkton Road Newark, DE 19714-0050 Performing Laboratory Study Number AA37AZ.331.BTL DuPont Project ID DuPont-5235 Page 1 o f 35 Company Sanitized.

t DuPont Corporate Center for Analytical Sciences. $ DuPont Corporate Center for Engineering Research.

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3M Comments on ANNEX XV PFOA Restriction Report 11 June, 2015 Prepared by Sue Chang, Ph.D.

DuPont has an external Epidemiology Review Board which will review this protocol, and DuPont will provide technical oversight for the duration of the study.

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June 9, 1980 - DuPont prepared a memo expressing his concern that a draft communication to DuPont's Washington Works employees regarding the outcome of DuPont's liver study of employees "implies that the Medical Division will not continue the study of liver tests on those employees potentially exposed to C-8."

DRAFT AR226-2619 Distribution on last page DuPont Engineering Technologies Wastewater Group Brandywine DuPont Company Carbon Adsorption Isotherm Evaluation for Perfluorooctanoic Acid (PFOA) In Samples From Chambers Works Wastewater Treatment Facility Final Report Work Done By: Stephen Constable, Lynn DeKleva, Barbara Larsen, Stan Bachmura, R.