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GROUNDWATER <br /> EjTECHNOLOGY <br /> A❑16WON OF OIL RECOVERY SYSTEMS,[NC.. 4080 Pike Lane, Suite D, Concord, CA 94520-1227(415)671-2387 <br /> March `11., 1987 <br /> :Project No;': 27-3289 } <br /> L3289A_ <br /> Ms. LaurieCotulla <br /> San Joaquin Local Health District'€,. <br /> P.Q. Box 2009 <br /> Stockton, California 9.5201 <br /> Re: ChevroniService Station <br /> 3246 E. iFremont Street <br /> . Dear Ms. Cotulla: <br /> This letter is to inform .you��mof Groundwater Technology, <br /> Inc. ' s (GTI) i' proposed procedures for performing a� subsurface <br /> investigation at .the Chevron service station located at 3246 <br /> E. Fremont ;!Street, Stockton2 .Caiifornia. This work is being done". <br /> subsequent ,to tank removal an tne' site. A site sketch. showing <br /> the locations of the underground tank and proposed monitoring <br /> well locati!oris is provided for your reference. <br /> The purpose of thi's investigation is to determine if a leak . <br /> has occurre5C at the site ,and if ;so, '#oto define the.i extent and. <br /> magnitude of[;.the impactj�to the subsurface soils and groundwater. <br /> The following procedures .outlina GTi ' s methodolog'Vin conducting a <br /> the investi,�gation. ' <br /> 1. Three deep soil borings].,.will be drilled. to; def ine the <br /> vertical extent of soil+E'contamination, permit the <br /> construction ofgroundwater monitoring wells and, if ' <br /> necessary, to evaluate the impact on the shallow , <br /> groundwater systelf►: The site sketch .shows the proposed <br /> location of the three '•borings (See Figure 1 } . <br /> ` l <br /> Other offices:Redondo Beach,CA;Tampa,FL;Mandeville,LA;Norwood,MA;Novi,Ml; <br /> ;�` Minneapolis,MN;Greenville,•NH;Chadds Ford,PA;.Montreal,Quebec,Canada ' <br />