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Table 3.2
<br /> Historical and Current Groundwater Analytical Results
<br /> San Joaquin County Human Services Agency Building
<br /> Stockton,California
<br /> Analyte Concentration /L
<br /> Groundwater
<br /> Well No. Sample Date Elevation feet Benzene Toluene Eth (benzene Xylene Total TPH- TPH-e Total Lead
<br /> MW-2A 7/25/1995 -29.82 7,000 3,300 3,800 11,000 79,000 --
<br /> 8/30/1996 -25.47 2,300 100 2,500 3,600 22,000
<br /> 1214/1996 -25.13 2,000 160 1,900 2,800 17,000
<br /> - -
<br /> 2124/1997 -21.90 1,900 940 1,300 2,600 19,000
<br /> 5/21/1997 -21.10 1,900 710 1,200 1,800 17,000
<br /> 9119/1997 -21.84 920 150 870 550 11,000 - -
<br /> 12/16/1997 -22.01 200 14 160 50 1,400 `
<br /> 3/17/1998 -18.54 1,300 520 1,000 1,800 12,000 - -
<br /> 6/18/1998 -17.11 1,000 350 jN1D
<br /> ,200 1,300 12,000 -
<br /> 9/1711998 -16.39 810 81 710 61 6,000 -
<br /> 12/10/1998 -16.25 610 71 530 330 7,200
<br /> 3/2211999 -15.14 1,300 160850 1,100 14,000
<br /> 5/19/1999 -14.73 640 110550 470 10,000
<br /> 5/19/1999 du ) -14.73 2,900 150 ,200 1,300 17,000 - -
<br /> 8/10/1999 -15.17 180 NO 50 50200 6,5008/10/1999 dup -15.17 210 ND 50D 50 230 6,400 - -
<br /> 11/16/1999 -15.94 54 NO 50 220 33 3,300
<br /> 3/2/2000 -15.14 400 27 290 130 3,900 -
<br /> 5/11/2000 -14.26 250 NO 5.0 160 60 2,900 -
<br /> 8110/2000 -14.87 NO 5.0 NO 5.0 130 12 2,100
<br /> 11/2/2000 -15.52 37.9 NO 5.0 163 NO 5.0 3,130
<br /> 2/27/2001 -15.19 39 NO 5.0 44 NO 5.0 1,800
<br /> 2/27/2001 du -15.19 35 3.6 40 5.7 1,700
<br /> -
<br /> 5/17/2001 -14.94 38 4.5 29 6.4 950 -
<br /> 5/17/2001 du -14.94 43 5.0 33 5.1 1,100
<br /> 10/11/2001 -16.35 40 NO 0.50 43 NO 0.50 1,000 - -
<br /> 2/5/2002 -16.19 25 NO 0.50 20 NO 0.50 1,200
<br /> 4/17/2002 -16.24 310 NO 5.0 56 16 1,100
<br /> 6/25/2002 -16.78 13 NO 0.50 NO 0.50 NO 0.50 570 -
<br /> 9/19/2002 -17.84 59 7.4 110 13 1,400 -
<br /> _ _12/11/2002 -18.58 45 NO(5.0)_ 6.7 _ NO(5.0) 1,300 - -
<br /> 6/11/2003 -18.12 25 3.5 11 3.8 1,300- - - -
<br /> 10/7/1003 -19.19 26 4.8 2.7 2.7 1,700
<br /> 1/13/1004 -19.23 48 6.5 130 2.7 2,600
<br /> 3/31/2004 -18.72 110 9.5 130 52 1,800
<br /> 6/25/2004 -19.11 45 8.0 23 NO 5.0 1,300
<br /> 9/15/2004 -20.10 13 2.3 4.9 4.8 1,400 - -
<br /> 12/17/2004 -20.64 7.8 NO 0.50 93 9.4 2,000
<br /> -
<br /> 3/22/2005 -18.98 64 4.7 80 26 2,100 -
<br /> 6/30/2005 -17.90 53 4.0 54 36 2,400
<br /> 9/29/2005 -18.76 58 3.8 67 7.8 2,200 -
<br /> 1211412005 1 -19.11 110 4.5 160 11 4,300
<br /> 2of6
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