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uvurtws oEsrvensopvsur.wrs <br /> Table 3-1 <br /> Field Monitoring Data <br />' Well Temperature pH Electrical Top of Depth to 30 August <br /> Conductivity Casing Water 1996 Water <br /> (umhos) Elevation (ft (ft) Elevation <br /> MSL) (ft MSL) <br /> MW-2A 225 677 1,420 It 91 37 38 -2547 <br /> MW-3A NS NS NS 11 23 36 93 -2570 <br />' MW4 NS NS NS 13 46 38 15 -2469 <br /> MW-5 NS NS NS 12 83 35 89 -23 06 <br /> MW-6 NS NS NS 13 17 37 42 -2425 <br /> MW-7 NS NS NS 13 14 39 12 -2598 <br /> MW-8 NS NS NS 13 76 3957 -25 81 <br /> MW-9 220 6 78 1,900 1226 37 81 -2555 <br /> IA potentiometric contour map developed from the water level data is presented on Figure 3-1 As in previous <br /> sampling rounds groundwater flow is generally toward the northeast The average horizontal groundwater gradient <br /> was 1101 ftlft <br /> 3.4 ANALYTICAL RESULTS <br /> I <br /> A summary of the analytical results of the first quarter of groundwater sampling 1s presented In <br /> Table 3-2 Historical groundwater analytical results are presented in Table 3-3 The analytical <br /> reports are presented in Appendix D Petroleum hydrocarbons detected in the sample collected <br /> from MW-2A include benzene (2,300 ug/L), toluene (100 ug/L), ethylbenzene (2,500 ug/L), <br />' xylene (3,600 ug/L), and TPH-G (22 mg/L) Petroleum hydrocarbons were not detected In the <br /> sample collected from MW-9 <br />' L\&-Mot*\SJCWCHSA ISP 12 October 1996 <br />