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<br /> Table A-1
<br /> Historical Groundwater Analytical Results
<br /> San Joaquin County Human Services Agency
<br /> Analyte Concentrations(,.eg/L)
<br /> Well Groundwater Total
<br /> No Sample Date Elevation(ft) Benzene Ethyl-benzene Toluene Xylene(total) TPH-g TPH-e Lead
<br /> MW-1'2 12/30/88 NM ND(05) ND(05) ND(05) ND(05) ND(200) ND(500) ND(5W)
<br /> MW-253 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 /> 5119/99 NM 8,700 2,600 ND(o$) 2,700 38,000 -- --
<br /> 11/16/99 NM 13,000 3,000 190 3,800 45,000 -- --
<br /> 312/00 NM 14,000 2,500 ND 550 20,000 - -
<br /> 5/11/00 NM 11,000 2,100 90 850 25,000 -- --
<br /> 8110/00 NM 9,700 2,500 620 35,000 22,000 - -
<br /> 11/2100 NM 18,500 3,070 286 5,950 57,300 - -
<br /> 2/27/01 NM 13,000 1,700 NDO00) 2,000 31,000 -- --
<br /> 5117/01 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 /> 215/02 NM 12,000 770 ND(50) 940 28,000 -- --
<br /> 4/17/02 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 1,300 12,000 -- --
<br /> 9119/02 NM 13,000 140 34 300 14,000 -- --
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