08/16/02 FRI 06:45 FAX 161828151' PHILIP ENVIRONMENTAL
<br /> dols
<br /> Table 4
<br /> Historical Groundwater Sample TPH-G and BTEX Analytical Results E
<br /> j The Earthgrains Company
<br /> Stockton,Califomia
<br /> Concentration(ug/l)
<br /> -G Benzene Toluene Ethylbenzene Total Xylenes
<br /> Well Date
<br /> 11 15 17
<br /> SP-2 11/08/1999 4,000 24 13 72
<br /> 1 03/13/2000 ND(50) 39 ND(0.5) 19 53
<br /> t" 07/02/2000 3,900 25 48
<br /> 2,100
<br /> r 10/19233 46 ND(5.0)000 6,100 ND(0.5) 8.5 11 18
<br /> l[ 01!182001 3,300 35 ND(10) 17 37
<br /> 04/20/2001 8,200 19 16 29
<br /> 07/19/2001 6,700 11 40
<br /> 11 18
<br /> 10/24/2001 5,600 68 0 2,200
<br /> 012710 81
<br /> 4/2002 27,000 710 1.5 1 10
<br /> *** 04/2612002 4,900 ND(0-5) 20 68
<br /> 08/01/2002 6,400 35 31
<br /> SP-5 08/18/1999 410 13
<br /> 18 22 63
<br /> 2,500 1,300 4,800
<br /> PZ•1 10/27/1994 21,000 4,200 1,400 350 3,100
<br /> (see note) 11/15/1994 12,000 1,800
<br /> 800 820 3,500
<br /> 3,700 2,
<br /> 0811811999 21,000 38 87 71
<br /> 11/08/1999 1,800 190
<br /> 03/132000 1,400 190 84 44 170
<br /> 07/022000 1,400 230 69 120 140
<br /> 10/192000 35,000 4,600 5.200 1,600 6,1000
<br /> 01/182001 4,700 620 570 190
<br /> 04/202001 8,700 650 750 410 850
<br /> i 07/182001 23,000 3,700 3,200 1,300 5,300
<br /> 1 1023/2001 33,000 5,100 4,900 1,700 7,100
<br /> 01242002 24,000 3,800 2,800 1,300 5,200
<br /> 04/26/2002 2;800 370 56 160 190
<br /> 08/02/2002 3,300 280 89 80 330
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<br /> ern/62400132/121382eglstocktan/histiab
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