AR226-2213 EID368665 Current Permit/Applieation/PDF 1823A 815D 815D 13S3A Pre-Existing 614A 614A 781 1953 2365A Note: For some vents the surfactant rate Is less than the total particulate reported In Air E Note: If emissions are sent to T6IZCE then emissions from T6IFCE are reduced.

AR226-2262 ISC Modeling Methodology and Results Emission Source Information The ISC3 model was used to calculate ambient ground-level vapor concentrations and deposition rates for year 2000 actual C8 emissions from the Washington Works site.

AR226-2581 GIST MEETING March 5,2002 Dave Watkins, chairperson, called the meeting to order at 9;15 am on March 5,2002.

RECYCLED o> AR226-2674 PROJECT LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 SRCNAME FBLK-2 FBLK1 FBLK1 FBLK1 FBLK1 FBLK1 FBLK1 FBLK2 FBLK2 FBLK2 LHPSD1 LHPSD2 LHPSD3 LHPSD5 LHPSDTW1 LHPSDTW10 LHPSDTW11 LHPSDTW12 LHPSDTW2 LHPSDTW3 LHPSDTW4 LHPSDTW5 LHPSDTW6 LHPSDTW6 LHPSDTW9 LHWAE1 LHWAFBLK LHWAFBLK1 LHWAFBLK3 LHWAFBLK4 LHWAN1 LHWANE1 LHWANE1 LHWANE2 LHWANW1 LHWANW1 C8 results Envista 111104.xls wwo THEME DATESMPL SMPLT SAMPLE_NUMBER Blank Water 8/23/2002 FB WWO-K-FBLK-2 Blank Water 8/20/2002 FB WWO-K-FBLK1 Blank Water 8/21/2002 FB WWO-K-FBLK1 Blank Water 8/22/2002 FB WWO-K-FBLK1 Blank Water 8/26/2002 FB WWO-K-FBLK1 Blank Water 8/28/2002 FB WWO-K-FBLK1 Blank Water 8/30/2002 FB WWO-K-FBLK1 Blank Water 8/21/2002 FB WWO-K-FBLK2 Blank Water 8/27/2002 FB WWO-K-FBLK2 Blank Water 8/29/2002 FB WWO-K-FBLK2 Drinking Water 8/21/2002 FS WWO-D-LHPSD1 Drinking Water 8/21/2002 FS WWO-D-LHPSD2 Drinking Water 8/21/2002 FS WWO-D-LHPSD3 Drinking Water 8/21/2002 FS WWO-D-LHPSD5 Groundwater 8/22/2002 FS WWO-G-LHPSD-TW1 Groundwater 8/22/2002 FS WWO-G-LHPSD-TW10 Groundwater 8/21/2002 FS WWO-G-LHPSDTW11 Groundwater 8/21/2002 FS WWO-G-LHPSDTW12 Groundwater 8/22/2002 FS WWO-G-LHPSD-TW2 Groundwater 8/22/2002 FS WWO-G-LHPSD-TW3 Groundwater 8/23/2002 FS WWO-G-LHPSD-TW4 Groundwater 8/23/2002 FS WWO-G-LHPSD-TW5 Groundwater 8/22/2002 DUP WWO-G-LHPSD-TW6-2 Groundwater 8/22/2002 FS WWO-G-LHPSD-TW6 Groundwater 8/22/2002 FS WWO-G-LHPSD-TW9 Groundwater 8/30/2002 FS WWO-G-LHWAE1 (21-26) Blank Water 8/23/2002 FB WWO-K-LHWAFBLK Blank Water 8/26/2002 FB WWO-K-LHWAFBLK1 Blank Water 8/28/2002 FB WWO-K-LHWAFBLK3 Blank Water 8/29/2002 FB WWO-K-LHWAFBLK4 Groundwater 8/29/2002 FS WWO-G-LHWAN1 (17-22) Groundwater 8/20/2002 FS WWO-G-LHWANE1 (21'-27') Groundwater 8/22/2002 FS WWO-G-LHWANE1 (56'-58') Groundwater 8/30/2002 FS WWO-G-LHWANE2 (20.7-25.7) Soil 8/29/2002 FS WWO-S-LHWANW1(0.1-0.5) Soil 8/29/2002 FS WWO-S-LHWANW1 (5.0-5.5) Page 1 AR226-2674 i TOP BOTTOM FILTERED CASNO ANALYTE RsItPost T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 3650 T 3825261 FC-143 4260 T 3825261 FC-143 952 T 3825261 FC-143 8090 T 3825261 FC-143 810 T 3825261 FC-143 1100 T 3825261 FC-143 1730 T 3825261 FC-143 824 T 3825261 FC-143 80.6 T 3825261 FC-143 4170 T 3825261 FC-143 12300 T 3825261 FC-143 6260 T 3825261 FC-143 1230 T 3825261 FC-143 1150 T 3825261 FC-143 812 21 26 T 3825261 FC-143 416 T 3825261 FC-143 <0.020 T 3825261 FC-143 <0.020 T 3825261 FC-143 <0.020 T 3825261 FC-143 <0.020 17 22 T 3825261 FC-143 50800 21 27 T 3825261 FC-143 5580 56 58 T 3825261 FC-143 662 20.7 25.7 T 3825261 FC-143 1280 0.1 0.5 T 3825261 FC-143 110 5 5.5 T 3825261 FC-143 6.1 RsItVal UNITS 25 NG/L 25 NG/L 25 NG/L 25 NG/L 25 NG/L 25 NG/L 25 NG/L 25 NG/L 25 NG/L 25 NG/L 3650 NG/L 4260 NG/L 952 NG/L 8090 NG/L 810 NG/L 1100 NG/L 1730 NG/L 824 NG/L 80.6 NG/L 4170 NG/L 12300 NG/L 6260 NG/L 1230 NG/L 1150 NG/L 812 NG/L 416 NG/L 0.01 ug/l 0.01 ug/l 0.01 ug/l 0.01 ug/l 50800 NG/L 5580 NG/L 662 NG/L 1280 NG/L 110 ug/kg 6.1 ug/kg Hit LAB_ANALYTE QUAL_EPA 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 'aM iN s.'

AR226-2731 WAAPFSOHICNOGNATTOTANINWMOERNKTS Part II - Process Water Charts Prepared for Meetings at Shimizu Jan. 20-22, 2003 Company Sanitized.

AR226-3064 DuPont HIiR 904-96 ttxaggT.T.

ii-/4Dio: suDcnromc toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations TRADE SECRET Study Title H-24516: Subchronic Toxicity with One9-G0-eDnearyaGtioanvaRgeepSrotudduyctiinonREatvsaluations Volume 3 of 5 Laboratory Project ID: DuPont-5386 DuPont-5368 AR226-3199 Test G u id elin es: U.S.

A l z6 - - 2**7 DuPont-8867 TRADE SECRET Study Title H-2S170: Bacterial Reverse M utation Test with an Independent Repeat Assay Authors Valentine O.

- 2-25) 413 TRADE SECRET M A ZG - 223 Revised Page DuPont-4488 Study Title H-24616: Influence on Growth and Growth Rate o f the Green Alga Selenastrum capricomutum Laboratory Project ED: DuPont-4488 Author: Terry Lee Sioman, B.S.

AR226-3340 o2 \ % E.l.

RECYCLED 07 4>. 00 00041 -h-h-tl Pa r k e r s b u r g .

Larry R.

AR226-3587 P -2 Proven Results. 06 FE3 - ' rt r Analytical Report Fluorochemical Characterization of Aqueous Samples Fayetteville C8 Sampling 11/05 Exygen Research Laboratory Report No.

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ATSttCn:A SDeocctuiomne8n(et)P/FroYcIessing Center Attachment 1 P-1 P-1 July 28,2006 Page 4 of 5 M Z26 _373J- Acronym codefor Tables 1 and 2 In Tables 1 and 2, the following acronyms are used: acronym meaning CW FW WW DuPont Chambers Works facility in Deepwater, New Jersey DuPont Fayetteville Works facility in Fayetteville, North Carolina DuPont Washington Works facility in Parkersburg, West Virginia PPPFFFHPBeAxAA PFHpA PPPPFFFFOUDNnAAAA PFDoA PFBS PPPFFFOHOSxSSA PPeerrfflluuoorroobpuentatannooicicaacicdid Perfluorohexanoic acid Perfluoroheptanoic acid Perfluorooctanoic acid Perfluorononanoic acid Perfluorodecanoic acid Perfluorotmdecanoic acid PPPeeerrrfffllluuuooorrrooobhdueoxtdaaennceaenssuoulilfcfooanncaaitdtee Perfluorooctane sulfonate Perfluorooctane sulfonamide Attachment 1 Spaed Matrix Lab Blank 1 cw # P % cw p 3 cw n m 34 CW (DUPLICATE) c w v 5 cw i cw < P * CW 7 cw qp ( CW WG18817-102 Y2 WG18817-101 Y1 L8789-1 Y1 LB789-2 Y1 L87B9-3 Y1 WG18817-103Y1 L8789-4 Y1 L8789-5 Y1 LB789-5 Y1 LB789-6 Y1 L8789-7 Y1 L8789-8 Y1 % Recovery ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL ng/mL WQ18817 W Q 18817 WQ18817 WQ18817 WG18817 WG18817 WG18817 WG18817 WG18817 WG18817 WG18817 WG18817 PFBA 81.2 ND ND ND ND ND ND <1.44 <1.44 <1.44 NO ND PFPeA 79.0 ND ND ND ND ND ND ND NO ND ND ND PFHxA 85.8 ND 1.82 ND <0.900 <0.900 ND ND ND <0.900 ND <0.900 PFHpA 83.5 ND ND ND ND ND <1.41 3.71 3.71 11.7 6.91 ND PFO A 110 ND 7.71 9.72 24.1 21.6 42.8 13.4 13.4 111 56.7 26.6 PFNA 11B ND 4.28 2.90 7.10 6.78 18.3 4.22 4.22 53.1 29.2 2.37 PFDA 115 ND <1.06 <1.08 1.64 1.51 8.47 1.82 1.82 13.5 7.47 <1.08 PFUnA 128 ND <1.02 <1.02 2.37 2.60 1.70 <1.02 <1.02 3.99 1.55 ND PFDoA 60.9 ND ND ND <0.600 <0 600 0.943 <0.600 <0.600 1.10 0.737 ND PFBS 94.8 ND ND ND ND ND ND ND ND ND ND ND PFHxS 104 ND <3.72 <3.72 39.1 33.5 <3.72 <3.72 <3.72 4.28 <3.72 3.81 PFOS 112 ND 51.1 35.3 68.2 58.0 25.7 35.0 36.0 39.0 53.8 36.8 PFO SA 73.5 ND ND ND ND ND ND ND ND NO ND ND Attachment 1 PFBA PFPeA PFHxA PFHpA PFOA PFNA PFDA PFUnA PFDoA PFBS PFHxS PFOS PFOSA tp // CW ^ k F w t f f lV L8789-9 Y1 LS789-10Y1 L8789-11 Y1 ngftnL ngAnL WG1B817 WG18817 ngAmL WG18817 ND ND NO ND ND ND ND ND ND NO 1.48 ND 12.9 13.0 28.3 <1.53 3.97 2.28 ND <1.08 <1.08 ND <1.02 <1.02 ND ND ND ND ND ND <3.72 <3.72 6.64 30.7 46.9 37.2 ND ND ND t-2.