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' ilrrman h Helen s Marina -Secnnd Qu trier 1998 Groundwater Monitoring <br /> Aiwil%E 11 1998 <br /> Fate 5 <br />• TABLE 3 <br /> Intrinsic 13joremediation Parameters <br /> June 26, 1998 <br /> HL',M/ I)INNOhILI RLdt1L(1011 pH I Irrtrital Irmprraturr Nitrite. SutfatL 1 crrou% total <br /> I na O\Nk,�n ( nidation ( oneiueUNIIN Iran Allo inity <br /> Vurg,r PiALnt la1 <br /> I)Lle,ltnnl 1 111111', 10 1 0 1 1(I <br /> Ifnti, mV 1oS/s_m L in,-/I mt/l mg/1 mg,/1 <br /> Monitor V4eII/ <br /> Sample. [I) <br /> MW-1 11 42 -91 611 878 177 NI NI NI N1 <br /> 1 2 3 -138 606 799 18 6 N 1 N I N r N1 <br /> 1412-MWI N1 NI NI 151 NI NU 13 2l 260 <br /> 6/26/98 <br /> MW-2 1 11 28 60 629 1 116 20 7 NT N I SIT 141 <br /> 1 3 1 51 6 34 1 122 19 8 N I NT N I N"1 <br /> 1432-M W2- N l N1 N I N l N I NI) 8 ND 450 <br /> 6/26/98 <br /> MW-3 13 25 117 670 816 204 NI NF NI NI <br /> F 2 3 19 6 15 883 203 N I NT N1 N r <br /> 1432-N7 W 3- N I NT N r NT N I ND 28 2 1 320 <br /> 6/26/98 <br /> I MW-4 B 22 -58 5 95 547 210 7 <br /> N I N I N 1 NT <br /> I 23 -21 605 513 116 NI NF NI NT <br /> 1432-MW4- N I N I N I N l N l NI) l 1 9 240 <br /> I Iji 98 <br /> Unit C nm e rsums Analyttc'al <br /> 1111!/1 - part,per tniIhon N1 not IcStLd for thiti anal�tc <br /> NI) none,dLtLLIed at or abO%L laboratoryreported <br /> detection limits <br /> 3 5 GROUNDWATER ELEVATION CONTOURS <br /> Groundwater elevation measurements collected at the site on June 26, 1998, indicated that the average depth to <br /> groundwater was approximately 5 8 feet below the monitor well and surface water station measuring points The <br /> I average depth to groundwater was approxtmatcly five feet bgs (taking into consideration that the measuring <br /> points for MW-2 and MW-3 arc, approximately two feet above the ground surface) 1~he groundwater elevations <br /> for the wells are included on the groundwater measurement field form included in Appendix C and are also <br /> shown in 1 igure 4, Appendix A 1-igure 4 shows the estimated groundwater elevation contours on June 26, 1998 <br /> The contours indicate a very steep groundwater gradient towards the island drainage channel <br /> I <br /> I <br /> L� CONDOR <br />