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' 2.1 Physical Parameters Summary <br /> Field measurement of physical parameters consisted of recording groundwater elevation, <br /> temperature, pH and electrical conductivity These data are presented in Table 1 <br />' TABLE 1 <br /> Fourth Quarter 1993 Monitor Well Physical Parameter Data Summary <br /> San Joaquin County Human Services Building Site <br />' Sample Date: October 7, 1993 <br />' Well Well Elevntaun' Depth to Groundwater'` Groundwater TeinperaturO pH3 Electneal Conduetivity3 <br /> ID (feet) (feet) Elevation` (feet) (°F) (umhos) <br />' MW-4 1146 5041 -1691 70 1 77 1,074 <br /> MW-5 12 83 48 62 -3579 708 75 670 <br /> MW-6 13 17 4958 -3641 72 1 6 7 1,464 <br />' MW-7 i3 14 51 42 -3828 68 7 69 923 <br /> MW-8 13 76 1 51 9 1 -38 17 1 707 72 1,059 <br />' 1 Elevations are given an tett relatrvt to Mtan Sea Ltvcl (MSL) and are hastd upon measurements from top of PVC casing <br /> (TOC) <br /> Measured from TOC <br /> 3 Mea%un d at tnd of purgt <br /> 4 MW-2 and MW-3 were dry <br />' 2.2 Chemical Analysis Summary <br /> Concurrent with the measurement of the physical parameters, groundwater samples were <br />' collected and analyzed for the following parameters by the methods referenced <br /> • Benzene, toluene, ethylbenzene and xylene (BTEX), EPA Method 602 <br />' • Total petroleum hydrocarbons as gasoline (TPH-G), Method 8015M <br />' The chemical analysis results for the fourth quarter 1993 monitoring event are summarized In <br /> Table 2 while the complete analytical report is presented in Appendix B <br /> t <br />' CrK%Rvi-sw( 4- la WP 4 02*4194 <br />