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<br />'INTRODUCTION
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<br />The, following report summarizes the results of Woodward-Clyde Consultants (WCC)"
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<br />groundwater -monitonng and remedial investigation, ,, the,, Major Mart site in Stockton, ni "
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<br />California for the quarter ending March 1992 I €I Previous'investigations of the site have been
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<br />conducted by FGL Environmental Analytical and WCC, soil and/or groundwater j y`
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<br />results for these investigations E ' 11 1Ui 4
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<br />, SITE,DESCRWrION �� II nI14>li
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<br />The Mayor„Mart site is an abandoned mim-market/gasoline, station located'at, 1235 East 1' 11r �J II I
<br />Alpine Avenue in Stockton, California (Figure/ 1). Site features include a one-story building
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<br />(located on the west central portion ofIthe property) and a canopy (located on the east central ,
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<br />' I portion of the property) as shown on Figure 2.I Thee, site is bounded by West, Lane on the
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<br />1.2 BACKGROUND 1 1
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<br />Thesitetibegan'operatlon as a gasoline service station in,the,early'1960's „The'service stationl�°
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<br />was;ezpanded to include a mini-market in' 1986 I The'site was abandoned in't11989
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<br />I JuJune 1990, three gasoline tanks (6,000,gallon;'81,000,gallon'#;arid110,0001galion) and an
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<br />underground, waste a1 tank (500 gallon),,, were"° removed ,from,,the ,lpropI by the Seibold , 1`
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<br />Corporation. The the tank removal' operations'were stockpiled on /site After the
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<br />gasoline tanks'were�rdmoved, ,six soil`sam 1 -
<br />p es,(two sampleses er tank} were collected 6y FGL
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<br />Environmental Analytical Chemists underneath the as specified by San Joaquin County
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<br />,tanks
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<br />Public' Health Services (SJCPHS) guidelines E1 and in' Table h Ill 'of ' the Tri-Regional Board,
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<br />Recommendations, for Preliminary Evaluation andInvestigation of Underground Tank Sites,
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<br />1990. The samples were submitted to,'an` analytical 'laboratory (FGL Environmental „ , t
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<br />Analytical Chemists) for analysis The samples'' collected underneath the (gasoline tanks were I
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