BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, FC-109-X, FC-4351, or L-6778.

Sponsors: APME Ad-Hoc APFO Toxicology Working Group FINAL REPORT Study Title: 26-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO) in Cynomolgus Monkeys Author: Peter J.

3M Medical Department Study: T6316.1 3M Medical Department Study: T-6316.1 Analytical Report: FACT-TOX-001 LRN-U2103 Analytical Report: FACT TOX-001 LRN-U2103 Study Title 104-Week Dietary Carcinogenicity Study with Narrow Range (98.1%) N-Ethyl PerfluorooctanesulfonamidoEthanol in Rats Analytical Laboratory Report Title Determination of the Presence and Concentration of PFOS, PFOSA, PFOSAA, EtFOSE-OH, M556, and PFOSEA in Serum and Liver Samples of Crl:CD@(SD)IGS BR Rats Exposed to N-Ethyl PerfluorooctanesulfonamidoEthanol Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date JuAntes0ig6n,in2g001 Performing Laboratories Liver and Serum Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

3M Company EPI-0013 Page I of 36 ( FINAL REPORT Epidemiology Medical Department 3M Company St.

li Wildlife International, Ltd. -1- ProiectNumber454A.101 PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE SALTWATER MYSID (Mysidopsis bahia) ADDENDUM WILDLIFE INTERNATIONAL, LTD.

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AR226-2019 C-8 REVIEW FEBRUARY 8,1993 EID914280 DIIPONT C-8 USA6E SITE WASHINGTON WORKS DORDRECHTWORKS SHIMIZU CHAMBERSWORKS MISC TOTAL AMOUNT - 1991 IBS 1992 71,100 31,400 67.200 37,950 15,950 14,700 20,000 200 1,050 200 120.650 121,100 DOMNSTRfeAMUSAGE SPRUANCE GLOBAL CUSTOMERS 1,500 10.210 1.400 M/A 2/8/93 EID914281 EMISSION REDUCTION TO THE ENVIRONMENT PERFORMANCEMETRICS GLOBAL POUNDS USED 1990 114.600 POUNDS RECOVERED/ 0 RECYCLED POUNDS DESTROYED POUNDS RELEASED TO ENVIRONMENT 14,500 100,100 % RELEASED TO ENVIRONMENT OF AMOUNT USED 87.4 1991 120,650 7,500 13,300 99,850 82.7 1992 121,100 9.000 15,400 96,700 79.8 2/8/93 EID914282 AIR MONniQMNG TOR WORKER EXPOSURE TO M Wm WASHINGTON ALL JOBS IN FULL COMPLIANCE DORDRECHTWORKS ALL JOBS IN FULL COMPLIANCE SHIMIZU STARTING EMPLOYEE MONITORING 2/8/93 EID914283 COMMUNICATIONS West Virginia DNR & DOH Lubeck Public Service District Customers Employees EID914284 GLOBAL C-8 ISSUES WASHjONTGTQlOBMBKg Fine Powder Drier Recovery Unit Utility Ohio and Delaware Kivers Ground Water Landfill Dordrecht Merwede River ^ landfill / Ground Water m C-8 Recovery Shimtett Sugnra Bay Employee Monitoring Major Customers Awareness of Hazard EID914285

AR226-2142 cc; T.

AR226-2165 Robert L Ritchey 07/23/2001 08:26 AM To: cc: Subject Robbin Banerjee/AE/DuPont<g>DuPont (bcc: Robert L Ritchey/CL/DuPont) Re: Air Modeling Discussion with Jesse Hanshaw, WVDEP-DAQ D Yes.

AR226-2199 Chris E Shoop 09/05/2001 11:16 AIVI ..,,.__ _ _ To: Debbie J Mulrooney/AE/DuPont@DuPont cc: Stephen J Gissy/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, M.Ann BradIey/STB/DUP@DUP, Roger J Zipfel/AE/DuPont@DuPont Subject: Revised Modeling Parameters DuPont Confidential Prepared at the Request of Counsel Attorney Client Communication Attorney Work Product Prepared in Anticipation of Litigation Debbie, Please see ihe attached file and use this for the update to the information provided to Mr.

Stack Parameters AR226-2226 ^Vent ID 3'61ZCE conaiats of IS one"fbot diamelBr venia.

AR226-2231 December 10,2001 CERTIFIED MAIL RETURN RECEIPT REQUESTED Mr.

AR226-2244 Thompson Colllns Watkins Smith Name Concentrations are from the deposition modeling runs, and Include wet and dry depletiondue to deposition Coordinates Paniculate Deposition (a'm'/yr) Vapor Deposition (S/nAyr) Total Deposition (g'nAyr) 445213E 4346090N 443141E 4345753N 443223E 4345847N 443254E 4345888N 0.00098 0.00179 0,00193 O.OQ186 0.00008 0.00021 0.00019 0.00018 0.00106 0.00200 0.00212 0.00204 Particulate Concentration Vapor Concentration Total Concentration (uaftn')____(ug/m'l____tug/in') 0.02000 0.03217 0.05217 0.03752 0.05854 0.09606 0.03665 0.05695 0.09360 0,03554 0.055B7 0,09141

AR226-2268 To: cc: Subject: Catherine A Barton/AE/DuPontQDuPont SpruancB C8 Assessment Win the legal suit, you may want to talk with Legal and not create any documentation that is not necessary.

AR226-2286 Frank D Smith "^Sy 05/13/2002 08.-25 AM To: cc: Subject: Catherine A Barton/ABDuPont DuPont Kenneth N Wood/AE/DuPont@DuPont, James F Riley/CL/DuPonlQDuPonl.