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Table 3-1 <br /> • Groundwater Parameter,Depth,and Elevation Data <br />' San Joaquin Human Services Agency <br /> June 2002 <br /> Top of Depth <br /> Conduc- Casing to April 17, 2002 <br /> Temp tivity Elevation Water Water Elevation <br /> Well (°C) pH (gMHOS) (ft MSL) (ft) (ft MSL) <br /> MW-2 NR 710 l 89 NM 2844 NM <br />' MW-2A NR 766 1 51 1191 2869 -1678 <br /> MW-3A NR 762 205 1123 2804 -1681 <br /> MW-4 NR 774 1 30 1346 2960 -16 14 <br /> MW-5 NM NM NM 1283 2750 -1467 <br />' MW-6 NR 684 151 13 17 2854 -15 37 <br /> MW-7 NR 746 1 27 1314 3023 -1709 <br />�. MW-8 NM NM NM 1376 3070 -1694 <br />' MW-9 NR 676 231 1226 29 00 -1674 <br /> Note NM=Not Measured <br />' NR=Not Recorded (temperature sensor was inoperable and could not be fixed) <br /> tA potentiometric contour map developed from the water level data is presented on Figure 3-1 As m previous <br /> sampling rounds groundwater flow is generally toward the north-northeast within a trough The horizontal <br />' groundwater gradient down the center of the trough was 0 00065 ft/ft <br />' 3.2 ANALYTICAL RESULTS <br /> A summary of the analytical data for the June 2002 groundwater sampling is presented in Table 3-2 <br />' Historical groundwater analytical results are presented to Table A-1 in Appendix A The analytical reports <br /> and Chain -of-Custody (COC) forms are presented to Appendix C <br />' Petroleum hydrocarbons were detected in samples collected from MW-2,MW-2A and MW-3A Benzene <br /> • was detected in MW-2,MW-2A, and MW-6 Toluene and ethylbenzene were also detected in MW 2 No <br /> LIPROJECTSSSANJOQ\tfSA52QO2RPT WPD 4 <br />