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Table A-1
<br /> Historical Groundwater Analytical Results
<br /> San Joaquin County Human Services Agency
<br /> Groundwater Anallyde Concentration IL
<br /> Well No Sample Date Elevation feet Benzene Toluene Etn lbenzene Xylene Total TPH- TPH-e Total Lead
<br /> MW-2A _ 7/25/1995 -2982 7,000 3,300 3,800 11,000 79,000 -- --
<br /> _8130/1996_ _ -25_47 2,300 100 2,500 3,600 22,000 -- --
<br /> 121411996_ -2513 2,000 160 1,900 2,800 17,000 -- --
<br /> 2124/1997_ -2190 1,900 940 1,300 2,600 19,000 -- --
<br /> 5/21/1997 -2110 1,900 710 1,200 1,800 17,000 --
<br /> 9/19/1997 _ -21 84 920 150 870 550 11,000 -- --
<br /> 12/16/1997 -2201 _200 14 160 50 1,400 -- --
<br /> 3117/1998_ -1854 1,300 520 1,000 1,800 12,000 -- --
<br /> 6/18/1998 -17 11 1,000 350_ 1,200 1,300 12,000 -- --
<br /> 9/17/1998_ -1639 810 81 710 61 6,000 -- --
<br /> 12/10/1998 -16_25 610 71 530 330 7,200 -- --
<br /> _ 3/22/1999 -1y 14 1,300 160 850 1,100 14,000 -- --
<br /> 5/19/1999 -1473 640 110 550 470 10,000 --
<br /> 5M9/1999 (dup) _ -1473 2,900 150 1,200 1,300 17,000 -- --
<br /> 8/10/1999 -1517 180 _ ND (50) ND (50) 200 6,500 -- --
<br /> 8110/1999 (dup) -1517 210 ND (50) ND (50) 230 6,400 -- --
<br /> 11116l1999 -1594 54 ND (50) 220 33 3,300 --
<br /> 3/2/2000 _ -1514 400 1 27 290 130 3,900 -- --
<br /> 5/11/2000 -1426 250 ND (5 0) 160 60 2,900 -- --
<br /> 811012000_ -1487 ND (5 0) ND (5 0) 130 12 2,100 --11/2/2000 -1552 379 ND (5 0) 163 ND (5 0) 3,130 -- --
<br /> 2/2712001 -1519 39 ND (5 0) 44 NO (5 0) 1,800 -- --
<br /> 2127/2001 (dup) -1519 35 36 40 57 1,700 -- --
<br /> 5/17/2001 -1494 38 45 29 64 950 -- --
<br /> 5i1712001 (dup) _ -1494 43 , 50 33 51 1,100 -- --
<br /> 10/11/2001 -1635 40 ND (0 50) 43 ND (0 50) 1,000 -- --
<br /> 2/5/2002 -1619 25 ND (0 50) 20 ND (0 50) 1,200 -- --
<br /> 4/1712002 -1624 310 ND (5 0) 56 16 1,100 -- --
<br /> 6/25/2002 -1678 13 ND (0 50) ND (0 50) ND (0 50) 570 -- --
<br /> 9/19/2002 -1784 59 74 110 13 1,400 -- --
<br /> 12111/2002 _ -1858 45 _ ND (5 0) 67 ND (5 0) 1,300 -- --
<br /> 6/11/2003 _ -1812 25 3 5 11 38 1,300 -- --
<br /> 10/7/2003 -1919 26 48 27 27 1,700 -- --
<br /> 1/13/2004 -1923 48 6 5 130 27 2,600 -- --
<br /> 2of8
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