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• <br /> r <br /> 9 <br /> ' ; 1 <br /> PRF.I,IMINARY REPORT <br /> k p� . <br /> 1 <br /> MORE'AND COURT SHELL <br /> 7700 MORELAND COURT <br /> STOCKTON, CAL FOP,NM <br /> DIE.TA PROJECT No. 40.8&146 <br /> r <br /> E <br /> 1.fi iTRODUCiION <br /> Delta Environmental Consultants, Ina (Delta), has been authorized by Shell oil COmpan Shell to <br /> Perform a sitc. geologic and hvdrogeologic investigation at 7700 Moreland Court, Stockton California <br /> F ; (Figure 1). A site assessment wms initiated in response to the detection Of petroleum hydrocarbons in the <br /> 1-4 <br /> Soils upon removal of the underground storag4 tanks on December 27, 1988. This investi ation was <br /> summarized in Delta's Phase I.rlyrirvgeolog c-Assessment Repoa,dated October 5, 1989,and an adde,idu.13 <br /> s to that report, dated December 20, 1989 The San Joaquin, Environmental Health Division reviewed <br /> Delta's reports and requested in a letter dated January 23,1990, that Shell prepare a Preliminary Report <br /> fo: a hydrogeolagic investigation at the site. This report should fallow the guidelines set forth in the <br /> •.... "'"� Rrgional Board Staff Recommendadons forInitial Evalltanon and Investigation of Undergmund Tanks. <br /> .i Pea. se <br /> The purpose of the additional site investigation is to determine the following: <br /> *; a The site hydrogeologic conditions, x <br /> • Whether petroleum constituents are present in ground water beneath the site. <br /> 9• • The need for a0"iti0n3I assessment or remedial action. <br /> M 1�2 S992L Or work <br /> Delta propanes to perform the .ollowing work: <br /> st <br /> a <br /> i4 <br /> 2r r Advance five soil borings to ground water and convert threeto <br /> ground._water-monitorin wells.---- --- ___ <br /> i! <br /> F. <br /> i s Collect soil samples at 5-foot intervals in each soil boring <br /> LaiR <br /> s <br /> T _ ... .. <br />