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�l <br /> - MITTELHAUSER <br /> corporation <br /> Unocal Corporation March 1993 <br /> Tracy, California Rev.:O <br /> Quarterly Monitoring Sampling Report 2163T002.wk1 <br /> 1 <br /> TABLE 1 <br /> GROUNDWATER MONITORING DATA <br /> WELL DATE OF TOP OF CASING DEPTH TO WATER LEVEL <br /> NUMBER MEASUREMENT ELEVATION GROUNDWATER ELEVATION <br /> li <br /> (FEEi',MSL) (Feet) (Fest, MSL) <br /> 0711219,1: 15 34 ' 47' .. 5.77 <br /> 12111/91 NR -- <br /> 031X31.92 8`,62:: .6'-72: <br /> 06/10/92 9.54 5.$0 <br /> 09121192. ::8 <br /> 03/17193 8.38 6.96 <br /> MW.:2 07112/91 . <br /> 12/11/91 9.04 5.67 <br /> 031.1.92. 8:3� 6:40 <br /> F 06/10/92 9.09 5.62 <br /> 091211:92 g 41:: 5:30 <br /> 03/17/93 14.74 1 8.16 6.58 <br /> MW-3 07121f9.1: `_>��26 i <br /> 12/11/91 9.82 5.44 <br /> Ir. 06/10/92 9.67 5.59 <br /> 0912#f.92 <br /> 11124/92 =---WELL ABANDONED ---- <br /> 12/11/91 8.59 5.44 <br /> - <br /> 06/10192 8.62 5.41 <br /> i <br /> 09121 192 ': , :, . <br /> 1,95 545 <br /> 03/17193 7.60 6.43 <br /> NOTES: <br /> 1)All measurements are with reference to top of PVC casing of each well. <br /> 2) NR- Not Recorded <br /> 3) Elevations of wellheads were surveyed by Triple E Engineering, a Licensed 1 <br /> Surveyor,on July 10, 1991 using a U.S.Geological Survey datum. <br /> +. following repairs to the well casing on March 17,1993. <br /> 4 The elevation at well MW-2 was re-surveyed g p <br /> f <br /> Ij <br />