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Table 4 <br /> Summary of Groundwater Extraction Well Anaytical Results <br /> • Chapin Brothers Investments, Inc <br /> 1766 Monte Diablo Avenue <br /> Stockton, California <br /> ' s Page 1 of 3 <br /> Well I D Date Sampled TPH-g Benzene Toluene benzene Xyletnes MTBE <br /> EW-1 5/30/2002 940 58 2 1 5 5 24 <5 0 <br /> 9/19/2002 710 1 1 <0 5 <0 5 6 6 <5 0 <br /> t Gn f�k,r�rr 10/15/2002 1,500 20 1 9 2 8 33 <17 <br /> 2/17/2003 7,700 48 91 320 460 <25 <br /> 3/24/2003 9,600 35 <12 750 640 <12 <br /> ' 4/15/2003 2,900 15 41 50 260 -- <br /> 5/21/2003 4,000 16 <5 0 150 300 <br /> ' 6/15/2003 6,700 32 8 8 610 470 == <br /> 7/21/2003 6,400 20 39 420 260 <br /> 8/19/2003 , 930 8 3 4 5 3 3 2 6 120 <br /> ' 9/16/2003 ' 600 4 2 <0 5 <0 5 2 9 <0 5 <br /> 10/18/2003 500 10 <0 5 4 2 5 5 <0 5 <br /> 11/17/2003 320 15 14 7 8 5 7 100* <br /> 11/24/2003 410 12 8 9 41 77* <br /> 12/15/2003 910 9 5 3 9 34 2 7 42* <br /> 1/26/2004 1,800 4 4 <0 5 18 8 9 <0 5 <br /> 2/18/2004 1,900 2 9 <0 5 19 11 <0 5 <br /> 5/17/2004 6,800 3 4 12 400 250 <0 5 <br /> std 6/23/2004 4,300 10 5 8 560 330 <0 5 <br /> 1 EW-2 5/30/2002 6,800 300 23 270 170 <50 <br /> 9/19/2002 8,100 320 31 130 490 <100 <br /> 10/15/2002 6,100 280 21 370 390 <50 <br /> t2/17/2003 6,100 210 18 140 180 <50 <br /> 3/24/2003 4,900 150 9 5 160 160 <5 0 <br /> ' 4/15/2003 2,200 58 2 4 6 8 55 -- <br /> 5/21/2003 4,600 150 7 4 100 92 <br /> 6/15/2003 3,800 130 9 6 130 93 -- <br /> t 7/21/2003 2,700 80 11 47 32 -- <br /> 8/19/2003 5,100 900 28 31 90 45 <br /> 9/16/2003 1,300 32 2 3 38 35 <0 5 <br /> 10/18/2003 4,700 77 3 3 30 83 <0 5 <br /> 11/17/2003 570 31 17 33 23 450" <br /> 11/24/2003 910 90 11 72 93 36* <br /> ' 12/15/2003 2,400 39 8 1 11 45 <0 5* <br /> 1/24/2004 3,300 130 4 3 48 44 <0 5 <br /> 2/18/2004 3,500 110 4 9 71 82 <0 5 <br />