DuPont indicated that for many years most of their focus had been on occupational areas, but that this had changed when the issues with PFOS were recognized.

For DuPont, that information is provided on enclosed Attachment 1.

PFOA: Lactational and Placental Transport Pharmacokinetic Study in Rats DuPont-13309 #22kr 1 5 5 1 \ TRAD^S^CRET oH*v> ' - < t ' 4 ( /. j'C-1 ,.

Flaherty / Vice President Exygen Research Study Director, DuPont: Date Carol Finlay DuPont ( 0 Date

UC DuPont-6711 Study Title 8-2 Telomer B Alcohol: Acute Oral Toxicity - Fixed Dose Method Laboratory Project ID: DuPont-6711 23E "Orn cn --^imO 32 3CST5p<yf^ 5 coQ o T est G u id elin e: OECD Guidelines for Testing of Chemicals Section 4: Health Effects, No. 420 (1992) A u t h o r : Carol Finlay, B.A.

8-2 Telomer B Alcohol: Developmental Toxicity Study in Rats TRADE SECRET DuPont-10157 AR226-1939 Study Title 8-2 Telomer B Alcohol: Developmental Toxicity Study in Rats Laboratory Project ID: DuPont-10157 RECEIVED OPPT NCIC 2005 MAR -4 PM 12:01 Test Gu id elin es: United States (U.S.)

8-2 Telomer B Alcohol: Developmental Toxicity Study in Rats TRADE SECRET DuPont-10157 AR226-1939 Study Title 8-2 Telomer B Alcohol: Developmental Toxicity Study in Rats Laboratory Project ID: DuPont-10157 RECEIVED OPPT NCIC 2005 MAR -4 PM 12:01 TEST GUIDELINES: United States (U.S.)

Does not conTtSaCAiGBnI 'H-24890: Bacterial Reverse Mutation Test with anIndependentRepeat Assay DuPont-8968 STATOE F CM OME PLIN ANT CE StudyNo.

AR-226 Hydrolytic Stability of H-25435 as a Function of pH DuPont-14965 LIST OF FIGURES Page 1.

DuPont-15302 Study Title Ammonium Perfluorooctanoate: Age Effect on the PFOA Plasma Concentration in Post-Weaning Rats Following Oral Gavage T est Guidelines: None applicable Author: Paul M.

Although the Consent Order expressly provides WVDEP the authority to promptly issue a notice to DuPont that "DuPont's operations have resulted in C-8 exposures above the screening levels." which would trigger DuPont's obligation to prepare a plan to reduce its C-8 air emissions. we are unaware of WVDEP having taken any steps to send sucha notice to DuPont.

Does not contain TSCA CB1 DuPont EMSE Re TABLE 1.

Best regards and thank you very much, DuPont Deutschland Holding GmbH & Co.

AR226-3207 DuPont-5991 TRADE SECRET Study Title DevelopmentaHl T-2o4x5i1ci6t:y Study in Rats Laboratory Project ID: DuPont-5991 Test Guidelines: UO.PSP.TESPA87H0.e3a7l0th0EPfrfeencatstaTl eDsetvGeuloidpemliennetsal Toxicity Study OSeEcCtiDonG4u, iNdoel.i4n1es4for the Testing of Chemicals Author: Susan M.

RECORD STORAGE DuPont-13216 TABLE OF CONTENTS Lab No.