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r r i r r r r r r r r r r r r I r r r <br /> Table 3.2 <br /> Historical and Current Groundwater Analytical Results <br /> San Joaquin County Human Services Agency Building <br /> Stockton,California <br /> Analyte Concentration <br /> Groundwater <br /> Well No. Sample Date Elevation feet Benzene Toluene Eth (benzene X lens Total TPH- TPH-e Total Lead <br /> MW-5 8/2/1991 -37.63 4.5 NO 0.50 NO 0.50 NO 0.50) NO 20 NO 50 7.5 <br /> 4/16/1993 -35.80 NO 1.0 NO 1.0 NO 1.0 NO 1.0 NO 50 NO 48 NO 3 <br /> 6/3/1993 -35.23 NO 1.0 NO 1.0 NO 1.0 NO 1.0 NO 50 NO 50 5.9 <br /> 8/13/1993 -35.30 NO 1.0 NO 1.0 NO 1.0 NO 1.0 NO 50 <br /> 10!7/1993 -35.79 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO(50) - <br /> 7/25/1995 1 -27.43 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO 50 - - <br /> 12/3/1996 -22.62 NO 0.50 NO 0.50 NO 0.50 NO 2 NO 50 <br /> 12/1511997 -19.50 NO 0.50 NO 0.50 NO 0.50 NO 2 NO 50 <br /> 6/18/1998 -14.20 NO 0.50 NO 0.50 NO 0.50 NO 2 NO 50 <br /> 5/17/1999 -12.54 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO 50 <br /> 11/15/1999 -13.78 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO 50 <br /> 11/1/2000 -13.45 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO 50 <br /> 2/6/2002 -14.16 NO 0.50 ND 0.50 NO 0.50 NO 0.50 61 <br /> 12/11/2002 -16.45 NO 0.50 NO 0.50 NO 0.50 NO 0.50) NO 50 - <br /> 1/13/2004 -17.16 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO(50) - <br /> 12/16/2004 -18.45 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO(50) - <br /> 'z`,w 12113/2005 -17.01 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO 50 <br /> MW-6 8/2/1991 -37.95 3.8 NO 0.50 NO 0.50 NO 0.50 NO 20 69 5.6 <br /> 4/16/1993 -35.57 NO 1.0 NO 1.0 NO 1.0 NO 1.0 NO 50 NO 60 NO 3 <br /> 6/3/1993 -35.96 NO 1.0 NO 1.0 NO 1.0 NO 1.0 46 J 51 12 <br /> 8/13/1993 -35.95 NO 1.0 NO 1.0 NO 1.0 NO 1.0 NO 50 <br /> 10/17/1993 -36.41 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO 50 <br /> 7/25/1995 -28.71 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO 50 <br /> 12/3/1996 -23.93 NO 0.50 NO 0.50 NO 0.50 NO 2.0 NO 50 <br /> 6/2111997 -19.85 NO 0.50 NO 0.50 NO 0.50 NO 2.0 NO 50 <br /> 12/15/1997 -20.82 NO 0.50 NO 0.50 NO 0.50 NO 2.0 NO 50 - - <br /> 6/18/1998 -15.22 NO J0.50L NO 0.50 NO 0.50 NO 2.0 60 <br /> 12/10/1998 -14.88 NO 0.50 NO 0.50 NO 0.50 1.3 52 <br /> 5/17/1999 -13.39 1.0 NO 0.50 NO 0.50 NO 0.50 53 <br /> 11/16/1999 -14.45 NO 0.50 NO 0.50 NO 0.50) NO 0.50 NO 50) - <br /> 5/10/2000 -12.86 6.7 NO(0.50) NO(0.50) 0.93 _ 88 _ <br /> 11/1/2000 -14.10 NO 0.50 NO 0.50 NO 0.50 NO 1.50 83.9 - <br /> 5/16/2001 -13.40 3.7 NO(0.50 0.59 NO 0.50 51 <br /> 2/5/2002 -14.82 2.4 NO 0.50 0.54 NO 0.50 60 <br /> 6/25/2002 -15.37 0.51 NO 0.50 - NO 0.50 NO 0.50 NO 50 <br /> 12/11/2002 -17.26 0.80 NO 0.50 NO 0.50 NO 0.50 140 <br /> 6/10/2003 -16.80 NO 0.50 NO 0.50 NO 0.50 1 NO 0.50 72 <br /> 1/13/2004 -18.03 NO 0.50 NO 0.50 NO 0.50 1 NO 0.50 62 - <br /> 6/24/2004 -17.80 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO(50) - <br /> 12MM004 -19.33 NO 0.50 NO 0.50 ND 0.50 NO 0.50 60 <br /> 6/29/2005 -16.58 NO 0.50 NO 0.50 NO 0.50 NO 0.50 56 <br /> 3a`I� 12/1312005 -17.80 NO 0.50 NO 0.50 NO 0.50 NO 0.50 NO 50 <br /> 4of6 <br />