?wrurw,

 

 

[Andrew Hartten 11I05I2002 08:55 AM 
To: Vic Klelnfelter/AE/DuPont@DuPont
cc: Seiichi TanakaiPO/DuPont@DuPont. Kazuaki Suzuki/PO/DuPont@DuPont, Hidetaka

Hiromatsu/POIDuPont@DuPont, Katsunosuke KitagawalPO/DuPont@ DuPont. George 
David RuraklAE/DuPonl@DuPont, Shino Shima/POIDuPont@DuPont.
Linda Chief?fAElDuPont?DuPonL Patricia Buoncuore/AE/DuPont@DuPont, Susan 


Subject: Re: CONFIRMING CONF. CALL SHIMJZU GROUNDWATER 8: SURFACE WATER INVESTIGATION -:

.h

The powerpoint file below presents a summary of the groundwater investigation. Everyone should refer to
this summary during the confrence call. Thank you.

shimsum?n.ppt

Andrew

Vic Kleinfelter

Vic Kieinfelter

 

A 1110112002 02:02 PM
Sent by: Susan Skrotsky

To: Seiichi TanakalPOfDuPont@DuPont. Kazuaki Suzuki/POIDuPont@DuPont. Hidetaka
HiromatsulPO/DuPont@DuPont. Katsunosuke KitagawalPOlDuPont@DuPont, George 
David Rurak/AE/DuPont@DuPont, Andrew 
Harden/AE/DuPont@DuPont

cc: Shino Shima/PO/DuPont@DuPont, Linda Patricia 
Buoncuore/AE/DuPont@DuPont, Susan Skrotsky/AE/DuPont@DuPont

Subject: CONFIRMING CONF. CALL - SHIMIZU GROUNDWATER 8s SURFACE WATER 

This is to con?rm a conference cat! on Wednesday, November 6. from Wilmington time
Thursday, November 7, 8:00-10:06 am. Tokyo time to discuss the above subiect. We would prefer to
limit the attendees of this conference call to those people listed on this e-mail distribution. -

Please use the following dial~in number:

Dial-in Number: 510-637-7001 
Participant Code: 682656

Vic


EID723108

Shimizu Works
Groundwater Sampling
Results
Aug. 5-7, 2002

09

 

 

 

 

 

:35




i





Shlmizu

 

 

 

 

 

81-18006673
EID723110

 

Scope of Work
Summary

-. Sampling Points 
8 operating remediation system pumping
wells

Wells 1-8 (other shallow wells at site
were dry)

site WWTP effluent going to public
trench

shown on map and results table as
Well 9

a surface water trench outside site along
Municipal Rd.

shown on map and results table as
Well 10
- Analytical Program

FC-143 (by Exygen Labs, State Collage,
PA)

Priority Pollutant 
(Lancaster Labs)

GHSOOSS74
EID723111

OBSERVATIONS

Highest individual C-8 
concentration detected in Well 9
wastewater leaving site)

- Detected 306 in Well 10,
which is off-site surface water
trench bordering Municipal Rd.

- Southwest site area shows
highest overall C-8 groundwater
conce nt rationsl Lat. 
1200 ppb)

- Other constituents detected 
chlorocarbons) where consistent
with historical information

Active pumping likely minimizes
off?site groundwater migration

GH8006675
EID723112

SHIMIZU WORKS LAYOUT
C-8 CONC. IN 



WELL 5 (31:7)
Diposal
0


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- Plant 



0? EL 
a? 0 .Boilersr:l
0 ate - 

Plant

    
       
       
  
 
 
   
      
  
 

VELL 8 (212)

 

 

 

Warehouse

 

 

Technical!
Center

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

East Gate
E1

 



Waste water goe

Mm trench

9 

ffice 
Refrigerat 

 

 

 

 

         

 

 

 

   
  
   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



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(Freon? Pl nt) 1;
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ctric
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00111 Plant
Tower 



 

 

 

 

 


stoa: I I, 2
0 20m depth 0 W50: 0 4:31? 

 

 

GHSOO6676
EID723113

 

SHIMIZU WORKS GROUNDWATER SAMPLING-AUG. 5-7, 2002
ANALYTICAL RESULTS SUMMARY (IN 

 I Samgle 1D
Date'
Analyte 01101100101?
1,1,1-

1.1451310110311915."  f' 
If:
(Emma. .  .   .

13010000050010   
T031935.    ..
  

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m?

5014.342 

13111519911 
IESAEWA  

 



WELLS



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49 $115,911}? 1101431) US

ND (2.6) L1 ND (2.6) 

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[110039111
11011910

200


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EID723114

 

Wdlfor G.W.1Imhm1t cf
SHINIIZU WROKS

 

 

 

wm?wdditch 03mm Well 10m) Kiwi-3m
Well 1&6wa 4m) 23wa
WQ tor-f WMWQ Wn?m

 

 

 

 - am 

 

 



 

- Aeratime

mata' . PVC Pipe
main- .Carbonsued Pipe

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 A
 .. I
 Wm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GHSOOSG78
EID723115

 

 

 

 

 

 

 
   

 

 

Measured day 13 av. 1998
Measured condition F@The time of the high tide 0:51 8: 13:58

 

Measured time 8: 10 10:20 12: 30 14:30 16:50 19:00 21: 10
East 0.422 0.464 0.522 0.549 0.538 0.485 0.451

South 0.540 0.540 0.558 0.571 0.573 0.565 0.551

west 0.501 0.517 0.564 0.581 0.582 0.548 0.523

 

 

Unite]:

 

 

 

 

 

 

 

 

 

 

 

 



0.600
0.580
0.560

.540

 

 

 

East
-I-- South

*West

 

 

(WM-cm)

01
8

 

 

Groundwater level

8:10 10:20 12:30 14:30 16:50 19:00 21:10
Measuredtime

 

 

 

Wen {whim 10 m)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

61-18006679
EID723116

GHSOOSSBO
EID723117

 

    

 

.- Jain?5
i


gar-1??


,1



 

 

 

 

    

  

 

were inspected.
These weils is not used for
drinking water.

About 50 wells in Miho area
 from these wells.

Contaminated area
inch was found
No chime?carbons were

 

Contaminated
area within

 



 . .z Shimizu Works

 

detected in ground water taken

 

 

 

 

    

 

nL-r

. an?.
we 


A

   

 

    

 

 

   



Way had been
installed until

 

 

 

 

National Rail

 

 1- Map and contaminated
well of

 

 
 

SHIMIZU WROKS Periphery

 

 

 

 

. .-Riel.
if; . i .4

 

 

 

(333006681
EID723118

.wa 

..

Total Emission

 

*Po?tential +Actual

Reduction of Potential

 

 

 

180,000

 

120%

 

 

1 60,000

 

 

140.000

- 100%

80%

 

120,000

 

100,000

- 60%

 

80.000

40%

 

60,000 -

 

40,000

20%

 

20,000

 

 

 

0 1' 1
1991 1992 1993 1994 1995 1996 1997

1998 1999

Year

2000 2001

I 

2002* 2003* 2004* 2005* 2006*

 

0%

leuuemd JO uononpau

GH8006682
EID723119

70.000

60,000

50.000

40.000

30,000

:5qu 

20.000

10,000

Water Emission

 

Actuai

?ve-Reduction of Potential

 

 

 

 

120%

 

 

 

 

1001991

1992

1993

1994

1995

I

996 1997

1998 1999 2000 2001 2002*

Year

2

2003* 2004* 2005* 2006*

lellualod JO 

yenuaxod :0 uononpau

 

 

 

 

 

 

 

 

 

 

 

 

 

193A
.9008 8003 #17003 #8008 38003 L003 0003 666L 8661- ABEL 966L QBSL 1766i 866L ZGBL 1661
960 1 I I I 0
000?9
W003 
00001
000m
?/o(39 000'03
000?98
000'08
000?98
  

 

 

 

 

genuemd 5o uouonpea 

 

 

 

13V



.

37.:

 

GHSOOSGBB
EID723120