Does not contain TSCA CBI Page 7 of 16 DuPont EMSE Report No. 053-00 TABLE 2.

DuPont BLB 61-94 All chemical and physical paraaeters were within expected ranges (Tables 2-3).

AR-226 H-24616: Hydrolytic Stability of H-24616 as a Function of pH DuPont-13970 LIST OF TABLES Page 1.

EnvironmentalAssessment.doc Oct. 1,03 Wilmington, DE iv DuPont Telomer Manufacturing Sites: Environmental Assessment of PFOA Levels In Air and Water Executive Summary Chambers Works Air dispersion modeling for PFOA was conducted for the telomers manufacturing facilities (Table 2).

AR226-3126 DuPont-3220 TRADE SECRET Study Title H-24119: Bacterial Reverse Mutation Test in Salmonella typhimurium and Escherichia coli Laboratory Project ID: DuPont-3220 Test Guidelines: U.S.

M .M & 414 TRADE SECRET Study Title H-24768: Developmental Toxicity Study in Rats Laboratory Project ID: DuPont-6515 DuPont-6515 T e s t G u i d e l i n e s : U.S.

DuPont-2924 -7 - Company Sanitized.

A reserve sampleofthe test substance was collected and retained by DuPont Haskell Laboratory.

RECYCLED T -hUtf - 9 V * W \ 04r5^o H90--2D46ay78O: raSluGbcahvraogneicStTuodxyiciintyRats TRADE SECRET Study Title H-24678: Subchronic Toxicity 90-Day Oral Gavage Study in Rats Volume 2 of 4 Laboratory Project ID: DuPont-6554 DuPont-6554 Test Guidelines: U.S.

Box 50, Elkton Road Newark, DE 19714-0050 Performing Laboratory Study Number AA26XN.331JBTL DuPont Protect ID DuPont-3871 Work Reouest Number Page 1 of 40 Company Sanitized.

Enclosed please find the additional information you requested on: 1) The comprehensive, peer reviewed study commissioned by DuPont and conducted by Environ on the global fate and exposure potential from DuPont Fluorotelomer products and 2) Information on the studies that DuPont has conducted and commissioned on the biodegradation o f fluorotelomer intermediates and products.

Does not contain T S C A CBI H-24516 : Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations DuPont-5386 APPENDIX E INDIVIDUAL CLINICAL AND OPHTHALMOLOGICAL OBSERVATIONS AND MORTALITY DATA Company Sanitized.

RECYCLED CD AR226-2687 AR226-2687 DuPont EMSE Report No. 18-02 Final Report Study Title Activated Sludge Respiration Inhibition Test of Telomer B 8-2 Alcohol (OECD 209) n.

Dacey DuPont HL-1998-01316 Company Sanitized.

EMSER13-03/4842 Page 5 of 28 2.0 DuPont EMSE Report No. 13-03 Conclusion: Under the test conditions, 8-2 TBA is not readily biodegradable.