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' Herman&Helen's Mattna-st Quartcc 1998 6roundwate,r Monitoring <br /> April 16, 1998 <br />' Pagc 6 <br /> TABLE 3 <br /> Intrinsic Bioremediation Parameters <br /> March 27, 1998 <br />' Begin/ DusolvLA ReduL tion PH F 1LLtru.al T emperature Nitrate, Sulfate 1 errous I ntal <br /> ind Oxygen Oxidation C ondu(.tivity Iron ALkalmity <br /> Purge, Potential <br /> X I wits l 0 1 {} 1 10 <br /> MP/I my µ',/cin °( mg/I tne/1 mg/l mgA <br /> Monitor Well/ <br /> Sample 1 1) <br /> MW-1 B NI NI NT Nr NT NI NI NT NI <br /> 1 27 -210 620 693 16 7 N I N 1 NT N r <br /> 1432-MWI- NT Nr NT NT NT ND 22 14 240 <br /> 3127198 <br />' <br /> MW-2 B N r NT NT NT NI NT NT N f — NI <br /> I 26 -53 656 1 196 185 Nr NI NNT <br /> 1432-MW2- N 1 N 1 N I N7 N r ND 39 2 1 460 <br /> 3127198 <br />' MW-3 B N r NT NT N7 NT N r NT NT NT <br /> 1- 28 43 629 849 18 5 NT NT N1 NT <br /> 1432-MW3- NT NT NT NT N1 ND 120 14 230 <br /> 3127198 <br />' MW-4 B _ Nr NT Nr NT Nr NI NI NI Nr <br /> 1 20 58 618 648 199 NJ NI NI NI <br /> 1432 MW4- NJ Nr NT Nr NY NI) NI) 6 5 240 <br /> 3127198 <br /> ilmt( on,arsions Analytical <br /> mg/1=parts pcx million Nr not tested for this analyte <br /> NI) none.&tCLtc,d at or above laboratory rLportLd <br /> detection limits <br />' 3 5 GROUNDWATER ELEVATION CONTOURS <br /> Groundwater elevation measurements collected at the site on March 27, 1998, indicated that the average depth to <br />' groundwater was approximately 5 feet bgs, taking into account that the depth to water measurements at monitor <br /> wells MW-2 and MW-3 are made approximately 2 feet above the ground surface The groundwater elevations for <br /> the wells are included on the groundwater measurement field forth in Appendix C and are also shown in Figure 4, <br /> Appendix A Figure 4 shows the estimated groundwater elevation contours on December 31, 1997 The contours <br /> indicate a very steep groundwater gradient towards the island drainage channel <br /> I <br /> L� CONDOR <br />