L du Pont de Nemours and Company DuPont H askell Laboratory P.O.

Senior Research Biologist ^X^oa Date DuPont Environmental and Microbiological Sciences & Engineering Sponsor/Submitter Date TO 105/4842 Page 3 of 27 DuPont EMSE Report No. 18-02 QUALITY ASSURANCE STATEMENT Study Number T0105/4842 Study Title Activated Sludge Respiration Inhibition Test ofGlycolic Acid Technical, 70% Solution (OECD 209) The conduct of this study was inspected periodically.

Based on the current data available, DuPont believes the following pathway does exist C-8 from the DuPont facility is transported via air emissions by wind and is deposited on the Little Hocking well field surface soils.

EnvironmentalAssessmentdoc 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).

TRADE SECRET AR226-3179 DuPont-6818 S tudy Title H-24616: Static, Acute, 96-Hour Screening Test to Pimephales prom elas Laboratory Project ID: DuPont-6818 A u t h o r : Daniel J.

DuPont received copies of the documents from Plaintiffs' counsel.'

We performed aquestionnaire on 599 residents living near a PFOA using msaufecturing plant operated by Dupont Cancerregistry data, from the PFOA Dupont workers was made available through, discovery in pending litigation against Dupont and was not previously made available to fee scientific community for review.

Chaney, Geologist, Permits Branch DuPont - W.

p. 1 January 15, 2009 DuPont Haskell Global Centers for Health and Environmental Sciences 1090 Elkton Road, P.O .

`DuPont DuPont HMHaeasesktkeielnlllg LLMaaibbnouortraaetstoorryy Visit Visit MJeuentien3g0M,2in00u0tes June 30, 2000 IInn AAtttteennddaannccee DDJouuhpPnooOnn'ttC:onnor, Reproductive and Developmental Toricology JJJBoooohhhbnnnHGOGoaka'Cnnenon,onoEnnnc,o,otrEE,onnxRvviieicrrpooorlnnoommdgeuyencntttiaavlleFFaaanttede: Developmental Toxicology .

TRADE SECRET AR226-3163 DuPont-4594 Study Title H-24159: Static, Acute, 96-Hour Screening Test with Pimephales promelas Laboratory Project ID: DuPont-4594 A u t h o r : Robert A.

TRADE SECRET AR226-3167 DuPont-4725 Study Title H-24516: Static, Acute, 96-Hour Screening Test with Pimephales promelas Laboratory Project ID: DuPont-4725 Author: Robert A.

TRADE SECRET AR226-3169 DuPont-5019 Study Title H-24615: Static, Acute, 96-Hour Screening Test with Pimephalespromelas Laboratory Project ID: DuPont-5019 AUTHOR: Robert A .

TRADE SECRET AR226-3163 DuPont-4594 Study Title H-24159: Static, Acute, 96-Hour Screening Test with Pimephales promelas Laboratory Project ID: DuPont-4594 AUTHOR: Robert A.

`CompanySaniized.Doesnotcontain TSCAGBI --~ - 125357: Oral Approximate Lethal Dase (ALD) in Rats ~~ RESULTS AND DISCUSSION DuPont 11269 A.