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Petroleum hydrocarbons were detected in samples collected from MW-2 and MW-2A,MW-3A,and MW-6 <br /> Low levels of Benzene,ethylbenzene,and total xylene were detected in MW-2 and MW-2A Toluene was <br />' slightly detected in MW-2A but not found in MW-2 <br />' TPH-g and BTEX compounds were not detected in the samples collected from MW-3A, MW-4, MW-5, <br /> MW-6,MW-7,nor MW-9 A slight detection of benzene was detected in the equipment water blank sample <br />' This detection is likely due to cross contamination which will be monitored carefully next quarter No <br /> contaminants of concern were detected in the holding tank water sample <br />' Table 3-2 <br /> Organic Analytical Results <br /> San Joaquin County Human Services Agency <br />' October 2003 <br />' Well Groundwater Benzene Toluene Ethylbenzene Total TPH-G <br /> Elevation (feet) (pg/]L) (jug/L) (ag/L) Xylene (Mg/L) <br /> (µlm-) <br /> MW-2 NM 15,000 ND(50) ND(50) 270 27,000 <br /> M1\4W-2A -1923 48 65 130 2 7 2,600 <br /> MW-3A -1941 ND(O 50) ND(o 50) ND(O50) ND(O 50) 120 <br />' MW-4 -1854 ND(O 50) ND(o 50) ND(o 50) ND(o 50) ND(50) <br />' MW-5 -17 16 ND(o 50) NDco sof ND(o 50) ND(a 50) ND(50) <br /> MW-6 -1803 NDcO 54)a ND(o 50) ND(o 50) ND(O 50) 62 <br />' MW-7 -1976 ND(o 50) ND(a 50) ND(O 50) ND(o 50) ND(50) <br /> MW-9 -1866 ND(o 50) ND(O 50) ND(o 50) ND(o 50) ND(50) <br />' an NA NA ND(o 50) ND(a 50) ND(o 50) ND(o 50) ND(50) <br /> EB-1 NA I 1 1 ND(O 50ND(O 50NDf0 50ND 50 <br />' Notes NA Non applicable <br /> ND (0 5) Analyte not detected, detection limit indicated in parentheses <br /> NM Not measured <br /> (�cg/L) Micrograms per liter <br /> 1 <br /> 4 0 CONCLUSIONS <br /> LPR0JECTS\SANJOQVH5A\1Q01RPT WPD 5 <br />