AJP003728 rrH* OQHW BEST COPY AVAILABLE COMPUTATION SHEET USE STANDARDS FOR MINIM UM ESSENTIA!.

AR226-2041 To: Partick J Cavanagh/Cl/DuPont@ DuPont cc: Roger J Zipfel/AE/DuPont@ DuPont S u b ject 6/9/99 C -8 Sam pling Pat, Samples were taken today from 1:30 PM to 6:00 PM in the following locations: inside the C-8 recovery building inside the C-8 recovery building control room recovery building roof smoking area roof area outside lunchroom The wind conditions were 3-5 mph out of the north at the start of sampling and out of the south/east at the end of sampling.

X)) J/ -- -=-- AR226-2142 et; T.

C harles J Zarzecki 02/24/2003 02:43 PM To: Catherine A Barton/AE/DuPont co: Subject: Slid e s Cathie, Here they are.

* r AR226-2445 ZIPFEL 5 08 /04/97 03:51 PM To: WEBERDA , ELLISDE A T A1 AT CSOC cc: STEWART , HARTTEAS A T A1 AT CSOC Subject: RE: C-8 BIOFATE PROGRAM - WELL SAMPLING Dan, this needs to be discussed with Dave Ellis before we alter from our current program.

0000428.txt AR226-2451 June 24, 1998 Details of FC-143 Sample Data From CH2M Hill Available To-Date: Location Date Site Sampled Site Location Result ug/L Dry Run Landfill it n ir it it if if 5/19/98 II It If It Stream I Stream II 001 Outlet Leachate FBLK21 1 .0 4.6 17 56 0 .1 LeIVtart Landfill If II 11 II If If n 5/28II/98 11 It II II II II It Lower Pond Upper Pond WWKLTLMW6 WWKLTLMW2A WWKLTLMW7 WWKLTLMWl WWKLTLMW8 Trip Blank FBLK02 1100 480 30 990 260 24000 2700 0.1 0.1 Local Landfill IV If II 11 6/2/98 n 19 IV it Outlet 101 Stream 2 Outfall 004 Outfall 005 FBLK05 54 15 12 39 0.1 Plant Site IV West WellFld 16 RJZ011501 Page 1 EID086144 ~0000428.txt 16058 (vlw) RJZ011502 Page 2 EID086145

AR226-2480 fr DuPont WaabmgttmWofo P,D.Bo*'21: patesbW9, W 2B1DZ-1211 October 4, 2000 Mr.

AR226-2496 .Analysis Report LancasterLaboratories f Wh&Gquaiitykasckrm a n a ly tic a l r e su l t s Prqrwed foP CRO-RLDuPomde Nemours & Co Barley Mill Plaza, Bldg. 27 Lancaster race & Route 141 WUrmogtoilLB 19805 302-992^76?

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.'

LZ JOLI TRADE SECRET Study Title Hydrolytic Stability of H-25435 as a Function of pH D u P on t-14965 Test Guidelines: OECD Guideline 111 Author: Bogdan Szostek, Ph.D.

Katherine E.

AR226-2785 FOR DU PONT USE ONLY Copies to: ,,.

% Material Tested; Material Submitted AR226-2829 Copies t0\ i Haskell L a b o rstoryyUtfoorrn,TrooxxiiccoolloogOyUrSartd inCdumsptar"iyal Medicine HASKELL LABORATORY REPORT NO. 244-71 "" rganic Chemicals Department 'Jackson Laboratory Haskell No.; 6917 Procedur ACUTE ORAL Test ~L "-s zstz&z --------- ------------- ------------- -- young adult r ' the livers were removed for gravimetric Company Sanitized.

AR226-3051 < Study Title Eye Irritation Test with H-21946 in Rabbits laboratory Project ID Haskell Laboratory Report No. 788-96 Author Tracy A.

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