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Table 3-2 <br /> Organic Analytical Results <br />' San Joaquin County Human Services Agency <br /> June 2004 <br /> Results presented m mtcrugrams per liter(µg/L) <br />' Well Groundwater Benzene Toluene Ethylbenzene Xylene TPH-g <br /> Elevation (total) <br />' (feet MSL) <br /> MW-2 NM 11,000 ND 360 540 16,000 <br /> MW-2 NM 11,000 120 370 530 17 000 <br /> (duplicate) <br /> MW-2A -19 11 45 so 23 ND 1,300 <br /> MW-3A -1902 ND ND ND ND ND <br /> MW-4 -1834 ND ND ND ND ND <br />' MW-5 -1709 NM NM NM NM NM <br /> MW-6 -1780 ND ND ND ND ND <br />' MW-7 -1956 ND ND ND ND ND <br /> MW-9 -1914 ND ND ND ND ND <br /> ER-I NA 10 12 ND ND ND <br /> NA Non applicable <br /> ND(0 5) Analyte not detected,detection limit indicated to parentheses <br /> NM Not measured <br /> 4.0 CONCLUSIONS <br /> Since the last sampling event of March 2004, concentrations of TPH-g, benzene, and toluene have fallen <br /> slightly in wells MW-2 and MW-2A,with minor variations Total xylene detected in MW-2 this quarter was <br />' not found in the last data set This will be monitored during the next sampling quarter Total xylene found <br /> in first quarter data for MW-2A was not found in the this data set These low concentrations are consistent <br /> with historic concentrations found in previous sampling events No contaminants of concern were detected <br /> in the upgradient well (MW-9) <br />' L\PR03E0TS\SANJ00015A%2Q04RPT WPD 4 <br />