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_ r�WIN <br /> sr <br /> tr '..p.,,.. t:.:3' ver r .r°: � :W; � •�``'...ir,.. 'm' r.,,r_ wa a Yv-isi... <br /> m <br /> =q <br /> E <br /> - WARTULYGFMNMATERWA*NMR lat er <br /> 7339 E0.1 Yonomlte Avenge.Menteca,CalHornla <br /> The results of previous consultant's groundwater sampling and water level measuremer., <br /> events are summarized and included herein• A detaileedo view er Monitoringf work rReportmed ,' <br /> previous consultants is presented In Aegis "Quarterly <br /> dated April 18, 1991. <br /> 2.0 GUARTEtiLY 1 1TO1R1NG DATA <br /> This section of the report presents groundwater elevations 1a�f i989on site to Standardtoan <br /> groundwater analytical laboratory data collected le May <br /> and sample analysis <br /> Operating Procedures (SOP)for sample collection,sarnp <br /> are presented in Appendix A. <br /> 2.1 Groundwater Level Measurements <br /> oundwater monitoring <br /> Groundwater level measurements were taken in tfrom refs referenced we on-site ellhead ad ele ations and <br /> wells. All water level measurements were madewere <br /> measured to 0.01 foot and are iefa rants,dand abein Tal$efe enlced lhead t elevations <br /> sea evelsurveyed <br /> by previous consultants or the g <br /> 2.2 Groundwater Anat sis <br /> 1991, ground <br /> On April 23, water samples were collected from the three on site <br /> ell <br /> groundwater monitoring ws (MW-1A, MVI!-2, nnAe is SOPGAppendxter A.samples were <br /> The samples <br /> collected according to the mathods descrkbed g <br /> were submitted to Coast-to-Coast <br /> weal analyzeditical )for constituents ces of San oft�otal purgeable <br /> fingerprint analysis. The same <br /> petroleum hydrocarbons(TPPH)as weathered gasoline,benzene,toluene,ethyl benzene <br /> and xylenes (BT1=X), 1,2-dlchloroethane (EDC), and ethylene dibromide (EDB). <br /> samples were extracted by EPA method 5730(p26 s GC MS))arable 2 nd sumed bmar iesCAL Dt}38 <br /> (TPH Draft) Method and EPA N+ethod Bed t <br /> groundwater analytical results <br /> knp rfor 2a Copies a�he laboratory a alytical reportsAnalytical data from and <br /> consultant's reports is included Appendix B. <br /> chain-of-custody records are included in App <br /> z <br />