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Mr. Atwater Page ,12 M;1 17 c:h 72 , 1.929 <br /> 'I'lle (.:on tam I naterl r-.:011 will then SprPad approximately orae, ( 1 ) foot <br /> deep -in(] trPatod onsite. Treatment should take approximately f; <br /> weelcc If the lnl�ioratory analysis indicates TF-11 in the diesel range <br /> greater thr.in 3000 ppm, the contiminated soil will be. Ldoremediaced <br /> onsite, which will take aTI additional 4-6 weekil . Confirmation soil <br /> samples will. be analyzed to determine when the soil is no longer <br /> considered hazardous . <br /> A 4 --inch ciroundwater. monitoring well. will be completed -in the <br /> proposed excavation to approximately 40 feet as required by the <br /> CVRWQCS. The screennd section will be 0 . 020 slot and installed <br /> 1.0 r'ePt above And 20 leet. Y.)elow groundwater. . The, filtPr pack <br /> wt. be #1 Monterey sand, and extend Iwo feet abom" the screened <br /> sect nn . Furthermore, (-,-ont-'intious coring uyill be utilized to log <br /> the. I it,hology during well construction. After the well is developed <br /> It wi. l.l. be r"Impled in accordance wil:h the CVlRT/JQCD T-PqUirements. If <br /> the initial. samplo Is "clean" , the CVRWQCB w1.11, talce a confirmation <br /> Sam p.1 P. . tf the confirmatton sample is also 1'cJ.,-:?an" , the well. will be <br /> ah,andonpd and no further work will be required at the site. <br /> 7he results and concli.isions, of the additional site Investigation work <br /> wil. l he included In a Problem Assessment Peportj which should be <br /> completed approx-imately four weeks flfte]7 tile Site warl, Is completed. <br /> After rpview of the Problem Assessment Report San Joaquin County <br /> Department of Environmental Health and thp CVF?WQ(*B may require <br /> additional. groundwats-r monitoring and/or recovery wells. <br /> Gl1H Engineering, Inc. ma—hitains a staff of professional v n 9.1 n(-..0 17S, <br /> J.c I <br /> qeo rjiste. and soil s,::ientistcs to provide any additional rz P r v i c P. <br /> which may be rerpijreel . We provide professional. encjii <br /> neering and <br /> construction support for site investigation and implementation of <br /> re me,I I a t-1 o ti ra c.1.1 i t i.e-1. i.f requ i re'd <br /> Cost <br /> Rased oti our current l.inderstanding of the scope of work , and <br /> experience with similar site remediation wor1c, we can completr, the <br /> proposed s.ite remedi-ai-Jon work for approximately J00 ns <br /> 911minari.ved below. <br />