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02 November 2004 <br /> r AGE NC Pra}ect No 98-0445 <br /> Page 3 of 4 W-4 to g 79 feet <br /> '' V e site ranged from 8 62 feet below MSL m well SanchezPrapertY) <br /> Groundwater elevations at the adjacent site <br /> Ground water elevations at th <br /> below MSL <br /> Inwe11MW-2(Table 1) SL in well MW-2 to 9 93 feet below MSL ells <br /> , <br /> '1 , ranged from 8 87 feet below mean sea level(M April <br /> s ' MW-6A and MW-6B (Table ) <br /> The relative ground water elevation at the site decreased an average of 1 71 feet between the <br /> 2004 mon 0 g events adjacent <br /> 2004 and 3uly 4,MW-6, and MW <br /> and <br /> on the <br /> 4, and wells MW-2 through MW- ound water flow <br /> i through MW- adient The gr <br /> 1 W ells MW- Dried water flow direction and calculate gr (ft/ft) or less <br /> site were used to model gr e former UST location to northw p� foot northwestern. <br /> western <br /> direction was referred to be hydraulic <br /> l gradient was determis a to ur d on 15 July 2404 <br /> "portroil of the site The hydraulic g <br /> Figure 3 Illustrates the contoured ground water elevation <br /> t g ' <br /> AL RESULTS OF GROUND WATER SAMPLES <br /> 32 ANALYTIC reporting 11m1ts m <br /> les collected from <br /> d rn ground water same monitoring <br /> ere not detected at concentrations�t or above the laboratory m <br /> TPI -d and BTEX w TPIt-g was detected <br /> any of the ground waterf7samples micrograms Per <br /> l,ter q&l) 'Phis is the fifth consecutive <br /> lie MW-1 at a conCentration of70 <br /> event that TP1'1-g was detected in MVi11 <br /> 1VIWl and <br /> -1 and MW-3 at concentratio the f 6ou d wa <br /> i les <br /> collected free ted compounds were detected in <br /> MTBE was detected In satrap <br /> 1 res ectively No other fuel oxygenated a <br /> 7 7 µgl " p detection limits <br /> analysis at or above laboratory report(CTEL <br /> r sam les are sumrnarrzed in Table 2 The laboratory p forms <br /> Analytical results of groundwate P ualit control repo, and chain of custody <br /> Analyt T is of 040,E 1d w quality assurancelq Y load of laboratory electronic deliverable <br /> Project No C the up Appendix D <br /> ' erxdix C Documents confirming <br /> are included in App water measurements to GeoTracker are included m' pp <br /> format (EDF) files and depth to <br /> AND CONCLUSIONS <br /> 4A. SUMI%IAy A <br /> GE concludes <br /> Based On data collected at the site, A from 8 62 to 8 79 feet below MSL Ground Fater <br /> north and northwest under a gradient of 0 001 ft/ft or less <br /> . The ground water elevations on-the no Ing <br /> ged fr ed and analyzed <br /> snferred to be to � 1 <br /> flow was ound water samples collect <br /> PH-d and BTEX were not detected in the gra <br /> • T the'thrrd quarter 2004 <br /> du-nn. 4dvageed GeOEnvironmentat,!nc <br /> 5 <br /> I i 1 <br />