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<br /> Table A-1
<br /> Historical Groundwater Analytical Results
<br /> San Joaquin County Human Services Agency
<br /> Analyte Concentrations(,ug/L)
<br /> Well Sample Groundwater Ethyl- Total Total
<br /> No Date Elevation(Ft) Benzene benzene Toluene Xylene TPH-G TPH-e Lead EDB
<br /> MW-111 12/30/88 NM ND(05) ND05 ND05 NDo5) ND,., ND(500) ND-500
<br /> MW-2'3 12/30/88 NM 28,000 3,100 25 000 10,000 59,000 41,000 795
<br /> 5121197 NM 5 400 890 310 1,400 13,000 --
<br /> 12/16/97 NM 1,500 1,100 17 1,000 9,100
<br /> 5119199 NM 8,700 2,600 ND(0 5) 2,700 38,000 -
<br /> 11/16/99 NM 13,000 3,000 190 3,800 45,000
<br /> 312100 NM 14,000 2 500 ND 550 20,000 - -
<br /> 5111100 NM 11,000 2,100 90 850 25,000 --
<br /> 8/10/00 NM 9,700 2,500 620 3,5000 22,000
<br /> 1112100 NM 18,500 3,070 286 5,950 57,300
<br /> 2127101 NM 13,000 1,700 ND(IW) 2,000 31,000
<br /> 5117101 NM 15,000 1,800 61 2,000 27,000
<br /> 10/11/01 NM 10,000 1,300 220 2,700 26,000
<br /> 215102 NM 12,000 770 ND(W) 940 28,000
<br /> 4117102 NM 10,000 810 ND(100) 1000 25,000
<br /> 6125102 NM 10,000 740 18 1,100 10,000
<br /> 6/25/02(dup) NM 9,900 940 24 1 1,300 12,000
<br /> 9/19/02 NM 13,000 140 34 300 L 14,000
<br /> WCAW"ROJECWSANJOQIA IIQ003WPD
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