PFOS: A REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

January 2005 Supplemental Notice of Contamination A /?

AXYS METHOD MLA-031 Rev 01 ptnc m F orm 1A/2 "" PERFLUORINATED SURFACTANT ANALYSIS REPORT CLIENT ID: Sample C ol taction: 22-NOV-2004 12:20 Lab Ham*: AXYS ANALYTICAL SERVICES Contract No.: 4191 Matrix: W ATER Semple Receipt Date: Extraction Date: Analysis Date: 25-NOV-20Q4 02-Dec-2004 03-Dec-2004 T in : 20:37:58 Extract Volume (mL): 2 Injection Volume (pL): 10.0 Dilution Factor: N/A Project Name: NSA Lab Sample ID: L7411-1 (A) Sample Size: 500 mL Initial Calibration Date: O3-D0C-2OO4 Instrument IO: LC-M S/M S LC Column ID: D iscovery C18 Sample Datafile: PFS4G_110S23 Blank Data Filename: PFS4G JI10S20 Cal.

AR226-2020 DuPont Washington Works P.

AR226-2067 WASHINGTON WORKS INDUSTRIAL HYGIENE YEARLY REPORT l-0ct-1990 to 30-Sep-1991 Page 19 AREAS FLUOROCARBONS - HOMOPOLYMERS C-8/PC-143 070 C-8 RECOVERY BLDG DATES 3l-Jan-1991 NOTEBOOK; 53235,P049 DURATION 450 CONCt <0.03 MPB SAMPLE TYPE; P PERCENTAGE* 5* *> EMPLOYEE #03097 PERS CODE; 08PI C-8/FC-143 070 C-8 RECOVERY BLDG DATE* 5-Feb-1991 NOTEBOOK* 53235,P049 DURATION; 450 CONC: <0.03 MPB SAMPLE TYPE* P PERCENTAGE* 5X EMPLOYEE #03022 PERS CODE: 08PI C-8/FC-143 070 C-8 RECOVERY BLDG DATE; 15-Feb*1991 NOTEBOOKS 53235,P050 DURATION; 180 CONC: <0.03 MPB SAMPLE TYPE; A PERCENTAGE: 5X ** EMPLOYEE #00000 PERS CODE: C-8/FC-143 070 C-8 RECOVERY BLDG DATE; 25-Feb-1991 NOTEBOOK* 53235,P051 DURATIONS 450 CONC* <0.03 MPB SAMPLE TYPE* A PERCENTAGE* 5% *: EMPLOYEE #00000 PERS CODE: C-8/FC-143 070 C-8 RECOVERY BLDG DATE; 6-Mar-1991 NOTEBOOK* 53235,P052 DURATION* 450 CONC* <0.03 MPB SAMPLE TYPE* P PERCENTAGE* 51 ** EMPLOYEE #03022 PERS CODE: C-8/PC-143 070 C-8 RECOVERY BLDG DATE* ll-Mar-1991 NOTEBOOK* 53235,P052 DURATION* 450 CONC* 0,044 MPB SAMPLE TYPE; P PERCENTAGE: 8% ** EMPLOYEE #03097 PERS CODE: C-8/FC-143 070 C-8 RECOVERY BLDG DATE; 14-Mar-1991 NOTEBOOK: 53235,P053 DURATION; 450 CONC: <0.03 MPB SAMPLE TYPE: A PERCENTAGE; 5X C-8/FC-143 070 C-8 RECOVERY BLDG DATE* 25-Mar-1991 NOTEBOOK* 53235,P054 DURATION: 480 CONC; 0.141 MPB SAMPLE TYPE: A PERCENTAGE: 25* *; EMPLOYEE #00000 PERS CODE* *: EMPLOYEE #00000 PERS CODE: C-8/FC-143 071 MATERIAL HANDLER-WAREHOUSE *: DATE: 3-Apr-1991 NOTEBOOK: 53235,P055 EMPLOYEE #03964 DURATIONS 450 CONC: <0.03 MPB PERS CODE* 08PD SAMPLE TYPE* P PERCENTAGE: 5* C-8/FC-143 100 PERSONAL SAMPLE DISPERSION PAC *: DATE: 17-Jan-1991 NOTEBOOK: 53235,P046 EMPLOYEE #01591 DURATION: 420 CONC: <0.03 MPB PERS CODE: 08PH SAMPLE TYPE: P PERCENTAGE: 5* RJZ004645 EID078549 WASHINGTON WORKS INDUSTRIAL HYGIENE YEARLY REPORT l-Oct-1990 to 30-Sep-1991 l-Nov-1991 Page 20 AREAS FLUOROCARBONS - HOHPOLYMERS | C-8/PC-143 100 PERSONAL SAMPLE DISPERSION PAC *t DATEs '6-Feb-1991 NOTEBOOK: 53235,P049 EMPLOYEE #10082 DURATION; 450 CONC; <0.03 MPB PERS CODE: 08PH SAMPLE TYPE; P PERCENTAGE: 5% C-8/FC-143 100 PERSONAL SAMPLE DISPERSION PAC *s DATE: ll-Feb-1991 NOTEBOOKS 53235,P050 EMPLOYEE #10129 DURATION: 450 ONCs <0.03 MPB PERS CODE: 08PH SAMPLE TYPE: P PERCENTAGE: 5X C-8/FC-143 102 FINE POWDER DRYER OPERATOR DATE: 3-Jan-1991 NOTEBOOK: 53235,P044 DURATION: 435 CONCs <0.03 MPB SAMPLE TYPES P PERCENTAGE; 5% *i EMPLOYEE #04924 PERS CODE: 08PI C-8/FC-143 102 FINE POWDER DRYER OPERATOR DATE: 10-Jan-1991 NOTEBOOK: 53235,P045 DURATIONS 450 CONC: 0.047 MPB SAMPLE TYPE: P PERCENTAGES BX EMPLOYEE #10082 PERS CODE: 08PI C-8/FC-143 102 FINE POWDER DRYER OPERATOR DATE: 28-Jan-1991 NOTEBOOK: 53235,P047 DURATION: 465 CONC: 0.140 MPB SAMPLE TYPE: A PERCENTAGE: 25% *: EMPLOYEE #00000 PERS CODE: C-8/FC-143 102 FINE POWDER DRYER OPERATOR DATE: 4~Feb~1991 NOTEBOOK: 53235,P049 DURATION: 450 CONC: 0.105 MPB SAMPLE TYPE: P PERCENTAGE; 191 *: EMPLOYEE #04931 PERS CODE: 08PI C-8/FC-143 102 FINE POWDER DRYER OPERATOR DATE: 15-Feb-1991 NOTBBOOK: 53235,P050 DURATION: 450 CONC: <0.03 MPB SAMPLE TYPE: P PERCENTAGE: 5X EMPLOYEE #10044 PERS CODE: 08PI C-8/FC-143 102 FINE POWDER DRYER OPERATOR DATE: 28-Feb-1991 NOTEBOOK: 53235,P052 DURATION: 450 CONC: <0.03 MPB SAMPLE TYPE: P PERCENTAGE; 5% *: EMPLOYEE #03964 PERS CODE; 08PI C-8/PC-143 102 FINE POWDER DRYER OPERATOR DATEs 3-Mar-1991 NOTEBOOK!

TestR esults AR226-2124 file:///C|/WINDOWS/TEMP/Monomets C-8 2-26-73 thru 8-5-81 9 pages.htm TestResults Sam ple Pt Range Concentration Range A ctio n Level Industrial Hygiene 2/26/73 100% 8/5/8' Sample Dt Sam ple# D uration Type Employee Name Pare BTO: LO C : 08 TEFLON 018 MONOMER ANALYZER COMPUTER ROOM 11/15/79 61389 2 11/26/79 61390 2 11/29/79 61391 Z C hem ical Cone U nit Percent C-8 0.0006 PPM 0.0% C-8 0.0003 PPM 0,0% C-8 0.0004 PPM 0.0% BTO: LOC: 08 TEFLON 023 TRAINING FACILITY (OLD PROD C.C.) 3/3/81 54817 Z 3/3/81 54818 2 3/16/81 54819 Z 3/17/81 54820 Z 3/18/81 54821 Z 3/18/81 54822 Z 3/19/81 54823 Z 3/19/81 54824 Z 3/27/81 54826 Z ' C-8 0.0004 PPM 0.0% C-8 0.0005 PPM 0.0% G-8 0.0002 PPM 0.0% 0 8 0.0008 PPM 0.0% C-8 0.0002 PPM 0.0% C-8 <0.0001 PPM 0.0% C-8 0.0003 PPM 0.0% C-8 0.0004 PPM 0.0% C-8 <0.0001 PPM 0.0% AJP007141 1of 16 BTO: LOG: 08 701 TEFLON FINE POWDER DRYER-EAST SIDE #2 8/28/2001 4:41 PM E ID 140383 TestResults ' 2/26/73 62670 9/3/74 62671 2/3/77 62672 2/16/78 62673 2/12/79 62674 12/13/79 62675 12/31/80 62676 8/5/81 62677 8/5/81 62678 file:///ClAVINDOWSrrEMP/Moaomf5rs C-8 2-26-73 thru 8-5-819 pages.htm Z C-8 <0,1 PPM 0.0% Z C-8 <0.1 PPM 0.0% z C-8 <0.1 PPM 0.0% z C-8 <0.1 PPM 0.0% z 0 8 <0.1 PPM 0,0% z 0 8 <0.0001 PPM 0.0% z 0 8 0.0073 PPM 0.0% z 0 8 0.0091 PPM 0.0% 2 0 8 0.0005 PPM 0.0% BTO : LOG : 08 TEFLON@ 702 FINE POWDER DRYER CONTROL ROOM (ALSO SEE TTF031 2/26/73 57136 z 08 9/3/74 57137 z 08 2/3/77 57138 z 08 Tuesday.

AR226-2177 Dupont - Washington Works - C8 Project N O T E S from S ite Inspection C hris Arrington and D ave Roberts ' August 9 ,2 0 0 1 10:0 0 a ;m . - 3 :00 p.m

AR226-2195 S David M Rurak 08/28/2001 07:59 AM To: Ta-W ei Fu/SE/DuPont@DuPont co: Stephen J Gissy/AE/DuPont@DuPont, Oscar T Garza/AE/DuPont@DuPont, Fred M Lentz/SE/DuPont@DuPont, Robbin Banerjee/AE/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, Raymond C Butterworth/CL/DuPont@DuPont, John R Flynn/AE/DuPont@DuPont, Am y L Brown/AE/DuPont@DuPont, Thomas W Mahlberg/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Roger J 2ipfel/AE/DuPont@DuPont, Alvin H Gibson_Jr/CL/DuPont@DuPont, Debbie J M ulrooney/AE/DuPont@ DuPont DSubject: Re: ACTION ITEMS FROM APFO DISPERSION MODELLING T a-W ei, You have my support to proceed.

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AR226-2426 jV '' AGREEMENTS REACHED 11/6 MEETING SUBMIT WAIVER - SECTION 4,5,4 - LINERS (SWMR) PARAGRAPH 5.5.3a.A.

AR226-2516 i--1^ 11 ..

AR226-2550 D uP ont W ashington W orks RCRA Facility Investigation Results Review Oct. 28,1999 IIDX56232 1 Proposed Agenda Introductions Site Background Site Hydrogeology RFI Scope of Work RFI Results Conclusions and Recommendations Wrap-Up EID156233 Desired Meeting Outcomes * To familiarize the EPA project team with the Washington Works site physical setting To share the results obtained from the recently completed RCRA Facility Investigation * To provide perspective on the RFI results To propose a path forward that will ensure continued protection of human health and the environment ...._______ ______ IID 156234 Main Messages for Today: The DuPont Washington Works site is well characterized and well understood, as a result of over 10 years of investigation and monitoring.

2195 Front Street Logan, OH 4313S ONeEFftState rfOhio Environm ental Protection Agency Southeast District Office TELE: (740) 385-8501 FAX: (740) 385-6480 A R 2 2 6 -2 6 0 8 Bob Taft, Governor Christopher Jones, Director July 8,2002 Mr.

AR226-2814 DuPont-14096 TRADE SECRET Study Title H-24750: Static, Acute, 48-Hour Toxicity Screening Test with Daphnia magna Authors: Barbra D.

AR226-2868 Copies to: E. 1. du Font de N e m o r s and Company Haskell Laboratory for Toxicology and Industrial Medicine HASKELL LABORATORY REPORT HO. 58-78 Material Tested -J Haskell Ho. 11,890 Sample Ready for Testing 12/2/77 3Other Codes j - Material Submitted bv "^Textile Fibers Department Seaford, Delaware 96-HOUR LC502 TO ULUEGILL SUKFISK Procedure: The test material, in original form, was introduced into all-glass exposure vessels and diluted with laboratory supply TOter fd^yleld tKedesiredcohcentrations in a 7.5 final volume.