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Table 5
<br /> Historic Groundwater Sample TPH-G and BTEX Analytical Results
<br /> The Earthgrams Company-Stockton, California
<br /> Dj Concentration u 11
<br /> Well Date TPH-G Benzene Toluene Eth /benzene Total Xylenes
<br /> SP-1 08/18/1999 20,000 3,300 430 890 4,200
<br /> 11/0811999 18,000 2,800 360 780 4,100
<br /> 03/13/2000 20,000 1,400 260 560 2,390
<br /> 07/02/2000 17,000 1,900 260 800 3,600
<br /> 10/19/2000 26,000 2,000 220 960 4,000
<br /> 01/18/2001 23,000 1,900 230 940 4,500
<br /> 04/19/2001 16,000 1,500 200 690 3,700
<br /> 07/19/2001 23,000 2,000 250 820 5,000
<br /> 10/24/2001 26,000 2,100 200 1,000 4,000
<br /> 01/23/2002 27,000 2,100 300 1,100 6,000
<br /> * 04/26/2002 6,800 620 45 150 1,400
<br /> 08/01/2002 14,000 670 87 250 2,000
<br /> 11/05/2002 9,400 490 26 240 1,500
<br /> 02/05/2003 14,000 490 ND(50) 460 1,700
<br /> 06/24/2004 19,000 920 36 450 1,800 i
<br />' SP-2 11/08/1999 4,000 24 11 15 17
<br /> 03/13/2000 ND (50) 39 ND (0 5) 13 72
<br /> 07/02/2000 3,900 25 48 19 53
<br /> 10/19/2000 6,100 33 46 ND(5 0) 2,100
<br /> 01/18/2001 3,300 ND(0 5) 85 11 18
<br /> 04/20/2001 8,200 35 ND(1 0) 17 37
<br /> 07/19/2001 6,700 11 19 16 29
<br /> 10/24/2001 5,600 68 11 18 40
<br /> 01/2412002 27,000 710 710 810 2,200
<br /> *" 04/2612002 4,900 ND(0 5) is 11 10
<br /> 08/01/2002 6,400 35 31 20 69
<br /> 11/05/2002 4,300 12 58 10 37
<br /> 02/05/2003 4,000 ND(5 0) ND(5 0) 72 ND(10 0)
<br /> 06/24/2004 2,000 ND(2 5) ND(2 5) 34 ND(5 0)
<br /> SP-3 02/05/2003 ND(50) ND(0 5) ND(0 5) ND(0 5) ND(1 0)
<br /> 1 SP-4 02/06/2003 *400 ND(0 5) ND(0 5) ND(0 5) ND(1 0)
<br /> 06/24/2004 230 ND(0 5) ND(0 5) ND(0 5) ND(1 0)
<br /> SP-5 08/18/1999 410 13 18 22 83
<br /> 02/06/2003 ND(50) ND(0 5) ND(0 5) ND(0 5) ND(1 0)
<br /> 06/2412004 ND(50) ND(0 5) ND(0 5) ND(0 5) ND(1 0) _
<br /> SP-6 02/06/2003 *220 ND(0 5) ND(0 5) ND(0 5) ND(1 0)
<br /> 06/24/2004 300 ND(0 5) ND(0 5) ND(0 5) ND(1 0)
<br /> env/62400132/121382eg/stockton/histlab
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