A R ^ r O 40| ACUTE TOXICITY TO FISH 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, or FC-109-X.

Corporate Occupational Medicine 3M Center, Building 220-3W-05 St.

CAS Number 25268-77-3 3M Company A fe - T * Voluntary Use and Exposure Information Profile N-Methyl perfluorooctanesulfonamido ethyl acrylate , I.

Report EO1-1245 PFOS: A Reproduction Study with the Nothem Bobwhite Study Title Analytical Phase R e po r t for PFO S : A R e pr o d u c tio n Stu d y w ith T he No r th e r n Bo b w h ite Data Requirement F IF R A Subdivision E, Section 7 1-4 O E C D Guideline 206 Author Lisa A.

AR226-1971 PERSONAL AND CONFIDENTIAL ". .

AJP003593 AR226-1988 BEST COPY AVAILABLE $9 "K. y x. > ~Q4 4- *k a V ^a l"ur I- o -a 4- 4" s dj i i: ?

AR226-2112 Sample Date Range Concentration Range Action Level Industrial H ygiene 1/1/84 12/31/84 100% Sample Dt Sample# Duration Type Employee Name BTO: 08 TEFLON LOC: 701 FINE POWDER DRYER-EAST SIDE#2 1/8/84 46247 390 Z 1/13/84 46248 380 Z 3/11/84 46249 360 z 4/10/84 46250 395 z 5/7/84 46251 380 z 6/3/84 46252 380 z 7/2/84 46253 360 z 7/30/04 46254 360 z 8/24/84 46255 330 z 9/23/84 46256 420 z 10/21/84 46257 360 z 12/17/84 46258 370 z Pers Chemical C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 Cone Unit Percent 82 MPB 146429%** 0.19 MPB 339% 0,31 MPB 55.4% OZI MPB 379% 0.47 MPB 839% 0.29 MPB 51.8% 0 .0 3 MPB 5.4% 0.26 MPB 509% QJ53 MPB 94.6% 0.62 MPB 110.7%** 056 MPB 64.3% 0.39 MPB 69.6% BTO: 08 TEFLON LOC : 702 FINE POWDER DRYER CONTROL ROOM (ALSO SEE TTF031 1/23/84 3656$ 345 z C-8/FC-143 1/27/84 36587 420 z C-8/FC-143 2/20/84 36568 360 z C-8/FC-143 3/17/84 36569 360 z C-8/FC-143 6/12/84 36570 385 z C-8/FC-143 7/8/84 36571 340 z C-8/PC-143 8/4/84 36572 420 z C-8/FC-143 10/2/84 36573 360 z ' C-8/FC-143 11/2484 36574 350 z C-8/FC-143 12/23/84 36575 340 z C-8/FC-143 0.62 MPB 0.51 MPB 038 MPB 0.37 MPB 0.S3 MPB 0.15 MPB 0.38 MPB 0.77 MPB 0.26 MPB 0.23 MPB <1 110.7%** 91.1% 679% 66.1% 94.6% 26.8% 67,9% 137.5%** 46.4% 41.1% BTO!

AR226-2181 C hris E S h o op 08/22/2001 12:42 PM ............ ...........................

AR226-2271 ' ' Debbie J Mutrooney " 04/04/2002 01:17 PM To: Robert F Pinchot/DEV/AE/DuPont@DuPont cc: Bernard J Reilly/AE/DuPont@DuPont Subject: Deposition Results and Modeling Report |i| Rob, Here are the deposition results for the 2003 em issions for Little Hocking and Lake Washington: W atershed D eposition R e su lts - 2003 Em issio Also, here is the final m odeling report: F in a l M odeling Report.di RP026414 E ID 5 8 2 6 0 7

AR226-23 Fle:c8 Em ission Point 662 647 699 652 658 231 232 216 242 274 R022EEF6 R022EEF8 R022EEF7 R022EEF9 Emission Stack Rate Height Temp Velocity <g(s) (m) (Ki (m/s) 0 45.7 350.9 12.3 2.06E-01 18 317 51.8 0 19.2 317 6.46 4.00E-03 21.3 366.5 16.5 2.00E-03 20.7 422 6.8 3.2BE-02 21.7 327.6 4.8 3.32E-Q2 20.3 327.6 0.9 0 18.3 343.2 10.5 1.05E-02 21.3 366.5 18 3.03E-02 33.5 397 13.6 1.73E-04 14.3 299.8 9.1 4.31 E-05 14.9 299.8 12.2 4.31E-05 14.9 299.8 3 8.63E-06 14.9 299.8 6.1 Diameter (mi 0.405 0.457 0.305 0.598 0.497 0.251 0.635 0.396 0.204 0.21 0.762 0.61 0.61 0.61 FlleiCSActA Em ission Point 662 647 699 652 658 231 232 216 242 274 R022EEF6 R022EEF8 R022EEF7 R022EEF9 Emission Stack Rate Height Temp Velocity (g/s) ___ !

AR226-2598 REVISED GROUNDWATER FLOW MODEL DUPONT WASHINGTON WORKS WASHINGTON, WV Date: January 2003 Project No.: 18983635 7423 CORPO RATE REM EDIATION G R O U P An Alliance between DuPont and UPS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 A SH 020280 E D 630708 Revised Groundwater Flow Modal Introduction TABLE OF CONTENTS 1.0 Introduction,-,*.... ........................*****................................ ................................... j 2.0 Site Setting, Geology, and Hydrogeology...................................................................4 2.1 Site Setting.................................................... ......................................... ...........* 2.3 Hydrogeology......................................................................................... 3.0 Primary Data Sources............ ....................................................................................2 5 4.1 ModelDomain and Discretization................................. 9 4.2 Boundary Conditions.... ................................................ ................................. 4.2.1 No Flow Boundaries 4.2.2 Ohio R iver....................... 1 4.2.3 Minor Surface Water Features............................................................ 12 4.2.4 Pumping Wells........ ............................................. 13 4.3 Main Input Values....,...... ............................... ...............*.............................^ 4.3.1 Hydraulic Conductivity......................................................................16 4.3.2 Recharge........ ........................ 1 5.0 Groundwater Model Calibration............ ......................... . - ...................... --......

AR226-2610 SAMPLING INVESTIGATION RESULTS LITTLE HOCKING WATER ASSOCIATION WELL FIELD WASHINGTON COUNTY, OHIO Date; April 2003 Project No,: 7482 18983762.00010 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 1980S ASH025862 EID779150 ED779150 Sampling Investigation Rsulte Table of Contente TABLE OF CONTENTS Executive Summary................................. 1.0 Introduction........................ . .......... iii ......,,...1 2.0 Environmental Setting.................... 2.1 Geology............................ ...... 2.2 Hydrogeology........................ . .....3 ............ 3 4 3.0 Sampling Approach............................. .................. . ....5 4.0 Groundwater Sample Results........................... ............................... 4.1 C-8 in Groundwater from Temporary Borings...................... 4.2 C-8 in Groundwater from Production and Test W ells........... 4.3 Groundwater Elevations in Production and Test Wells and Ohio River Stage., ....6 ....6 ....6 ......8 5.0 Soil Sample Results.................................................... ....9 6.0 Site Conceptual Model........... .............................................. 6.1 Geology...................................... ............................ 6.2 Hydrogeology................................. ................ ............. 6.3 C-8 Transport Mechanisms and Migration Pathways. ..10 ..10 ..10 ,,11 7.0 Conclusions and Recommendations ..................................... .................. 13 8.0 References.............................................................................. .................. 15 Table 1 /Table 2 Table 3 Table 4 TABLES C-8 in Groundwater from Temporary Borings ' C-8 in Production and Test Wells Groundwater Elevation Data for Production and Test Wells August 21, 2002 C-8 in Soil from Temporary Borings L.HSIreportl Apf. 17.03 Wilmington, DE f ASB025863 EID779151 EID779151 Sampling Investigation Results Table of Contents Figure t Figure 2 Figure 3 Figure 4 Figures Figure 6 Figure 7 Figure 8 Figure?

RECYCLED \ 00 AR226-2620 DuPont Telomer Manufaturing Sites: Environmental Assessment of PFOA Levels in Air and Water - Appendix D (November, 2004) Appendix D AR226-2620 Supplemental Data Report to: DUPONT TELOMER MANUFACTURING SITES: ENVIRONMENTAL ASSESSMENT OF PFOA LEVELS IN AIR AND WATER (September, 2003) Draft Page 1 DuPont Telomer Manufaturing Sites: Environmental Assessment o f PFOA Levels in Air and Water - Appendix D (November, 2004) Additional Data Note all data highlighted in yellow has been reported in the original report - DuPont Telomer Manufacturing Sites: Environmental Assessment o fPFOA Levels in Air and Water (September, 2003).

A AR226-2876 Copies to: E.

AR226-3063 DuPont HLR 903-96 HASKELL LABORATORY FOR TOXICOLOGY AMD IHDUSTRIAL MBDZCZMM STATIC, ACUTX 48-HOUR 8CREEHZMG TBST OF H-21952 TO Daofania i-- an* POKPOSI: This is a rangefinding study designed to provide an estimate of aquatic toxicity using fixed test concentrations and data measurements nat predetermined intervals. w w .