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Table 6
<br /> Historic Groundwater Sample TPH-G and BTEX Analytical Results
<br /> The Earthgrains Company
<br /> 2651 South Airport Way, Stockton, California
<br /> Sample Date Concentration u
<br /> ID TPH-G Benzene Toluene Eth (benzene Total Xylenes
<br /> PZ-1 10/27/1994 21,000 4,200 2,500 1,300 4,800
<br /> 11/15/1994 12,000 1,800 1,400 350 3,100
<br /> 8/18/1999 21,000 3,700 2,800 820 3,500
<br /> 11/8/1999 1,800 190 38 87 71
<br /> 3/13/2000 1,400 190 84 44 170
<br /> 7/2/2000 1,400 230 69 120 140
<br /> 10/19/2000 35,000 4,600 5,200 1,600 6,100
<br /> 1/18/2001 4,700 620 570 190 890
<br /> 4/20/2001 6,700 650 750 410 850
<br /> 7/18/2001 23,000 3,700 3,200 1,300 5,300
<br /> 10/23/2001 33,000 5,100 4,900 1,700 7,100
<br /> 1/24/2002 24,000 3,800 2,800 1,300 5,200
<br /> 4/26/2002 2,800 370 56 160 190
<br /> 8/2/2002 3,300 280 89 80 330
<br /> 11/6/2002 ND(50) ND(0 5) ND(0 5) ND(0 5) ND(1 0)
<br /> 2/6/2003 450 75 17 17 46
<br /> 6/24/2004 11,000 2,200 86 450 820
<br /> 10/8/2004 12,000 1,800 21 610 400
<br /> PZ-2 10/27/1994 31,000 5,300 3,300 1,400 5,700
<br /> 11/15/1994 25,000 4,000 3,000 600 4,800
<br /> 8/18/1999 16,000 230 340 760 2,600
<br /> 11/8/1999 1,300 18 24 61 170
<br /> 3/13/2000 11,000 31 240 250 990
<br /> 7/2/2000 13,000 60 76 470 1,200
<br /> 10/19/2000 17,000 81 100 450 1,500
<br /> 1/18/2001 6,200 14 25 230 650
<br /> 4/20/2001 27,000 200 110 450 1,800
<br /> 7/19/2001 16,000 35 74 320 1,100
<br /> 10/23/2001 14,000 140 18 220 620
<br /> 1/24/2002 15,000 ND(50) 91 270 990
<br /> `* 4/26/2002 17,000 ND(2 0) 320 310 1,500
<br /> 8/2/2002 18,000 4 8 260 310 1,300
<br /> 11/5/2002 9,000 ND(2 5) 77 130 500
<br /> 2/5/2003 11,000 ND(5 0) 11 130 390
<br /> 6/24/2004 13,000 ND(10) ND(10) ND(10) 360
<br /> 10/8/2004 9,400 110 ND(10) 61 180
<br /> ENV/62400132/121382eg/Investigation and Quarterly Reports 1 Historic TPH+BTEX Results XLS 1 Historic
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