Laserfiche WebLink
3.0 MONITORING RESULTS SUMMARY <br /> 3.1 GROUNDWATER PHYSICAL CHARACTERISTICS AND POTENTIOMETRIC <br /> SURFACE ELEVATIONS <br /> Table 3-1 presents a summary of groundwater parameters, depths and elevations Since groundwater <br /> elevations were last taken in June 2004, groundwater elevations have decreased by an average of 102 <br /> feet(ft) <br /> ' Table 3-1 <br /> Groundwater Parameter, Depth,and Elevation Data <br /> San Joaquin Human Services Agency <br /> September 2004 <br /> ' Top of Casing Depth to September 2004 <br /> Temp. Conductivity Elevation Water Water Elevation <br /> ' Well (°C H MHOS) ft MSL) (ft) (ft MSL) <br /> MW-2 253 690 150 NM 3187 NM <br /> ' MW-2A 254 715 156 1191 3201 -2010 <br /> MW-3A NM NM NM 1123 3133 -2010 <br /> MW-4 NM NM NM 1346 3284 -1938 <br /> MW-5 NM NM NM 1283 3086 -1803 <br />' MW-6 NM NM NM 1317 3200 -1883 <br /> MW-7 NM NM NM 1314 3375 -2061 <br /> MW-8 NM NM NM 1376 34 3t -2055 <br />' MW-9 210 636 1027 1226 3236 -2010 <br /> NM Not measured <br />' A potentiometric contour map developed from the water level data is presented as Figure 3-1 As in previous <br /> sampling rounds the water table is characterized by a northeast-southwest trending trough Groundwater flow <br />' is toward the center of the trough at a gradient of 0 0086 ft/ft <br /> 3.2 ANALYTICAL RESULTS <br />' A summary of the analytical data for the September 151,2004 groundwater sampling is presented in Table <br /> 3-2 Historical groundwater analytical results are presented in Table A-1 in Appendix A The analytical <br />' reports and chain of custody forms are presented in Appendix C <br /> Petroleum hydrocarbons were detected in samples collected from MW-2 and MW-2A Levels of benzene, <br />' ethylberizene,and total xylene were detected in MW-2 and MW-2A,while toluene was detected only in MW- <br /> 2A <br /> 3 <br />