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IlLrman do Helen ,Manna - 1 hird Quamr 1998 Groundwater Monironng <br /> November 23 1998 <br />' PAUL 5 <br /> • TABLE 3 <br />' Intrinsic Hiiiremediation Parameters <br /> September 30, 1998 <br /> BLglnl Unsolved Ruduetion pH I-ILctrtcal TcmpLraturc Nnratc. 5uliate 1-rruus Total <br /> I nd 0XYgLn Oxidation t onduct[vtty Iron Alkalinity <br /> Purgt. Potential <br /> I')etectian I IMIt,, 1 U 1 0 1 10 <br /> Units mgll nmv µ51cm i mg11 mg/I mg/I mg/1 <br /> Monitor Well/ <br /> 5arnph. I D <br /> Mw-1 K 2 6 144 1-5-94 844 19 1 N l N r N I NT <br />' 1- 27 177 5 89 576 206 NT NT NT 1 <br /> 1432-MWI- N] Ni NT NT NT NU 2 <br /> 22 240 <br /> 9139/98 <br /> MW-2 B 2 9 33 641 1 270 21 1 NT N r N I NT <br />' 1 2 7 60 6 30 1 122 21 6 N r N r NT NT <br /> 1432-MW2- NI NI Nr Nr NT 10 20 ND 420 <br /> 9130198 <br />' MW-3 B 25 -55 642 981 21 8 NI NT NT NT <br /> E 24 -85 640 965 229 NT NT NI NT <br /> 1432-IVIW3- NT NT NIT NT N IF ND 12 82 400 <br /> 9/30198 <br />' MW-4 B 1 7 -72 5 93 503 220 NT NT NT NT <br /> h 1 6 -99 5 42 539 227 N r NT NT NT <br /> 1432-MW4- NT NT NT N I N r ND 3 79 240 <br /> 9130/98 _ <br /> 10 <br /> Unit Conversions Analytical <br /> rng/1 parts pLr million NT=not tested for this analyte <br /> ND=none detected at or abovf. laboratory reported <br />' detection limits <br /> 3 5 GROUNDWATER ELEVATION CONTOURS <br />' Groundwater elevation measurements collected at the site on September 30, 1998, indicated that the average <br /> depth to groundwater was approximately 6 5 feet below the monitor well and surface water station measuring <br /> points The average depth to groundwater measured in the monitor wells was approximately 5 6 feet bgs (taking <br />' into consideration that the measuring points for MW-2 and MW-3 are approximately two feet above the ground <br /> surface) The groundwater elevations for the wells and the surface water elevations are shown in Figure 4, <br /> Appendix A P igure 4 shows the estimated groundwater elevation contours on September 30, 1998 The contours <br />' indicate a very steep groundwater gradient towards the island drainage channel <br /> i <br /> 1 <br />' %4 CONDOR <br />