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�r <br /> IT Corporation <br /> 11.3 3 North Mark(t Bou1r vard <br /> mcrarnc.nto, f A 95831-19,13 <br /> T 1 916 928 3 WO <br /> +� jj Fax 916 928 3 311 <br /> F ) <br /> the�t;group- <br /> August <br /> ���(-( �� ��/f �1 Ale,mbcr of 17ee I! Croup <br /> 8, 2000 <br /> Project 880039 IA 0101 <br />' Mr Don Rodgers <br /> 11900 South Union Road <br />' Manteca, California 95336 <br /> Re Second Quarter 2000 Status Report for The Transmission Shop, Located at <br />' 515 West Charter Way, Stockton, California <br /> Dear Mr Rodgers <br /> At your request, IT Corporation (IT) currently performs quarterly groundwater monitoring and <br /> remediation system operation and maintenance (O&M) at the subject site (see Figure 1) IT has <br /> prepared this status report on the work conducted during the second quarter 2000 Work <br /> included groundwater monitoring and remediation system O&M <br /> MBACKGROUND <br /> The site is located at the southeast corner of the intersection of Charter Way and <br /> Lincoln Street in Stockton, California (see Figure 1) The property is located in a commercial <br /> area and is currently being used as a transmission repair shop Based on information provided <br />' by the San Joaquin County Public Health Services (SJCPHS), two underground storage tanks <br /> (USTs) were present, and the site was historically used as a retail service station, with <br /> gasoline dispensing activities ceasing sometime in the 1950s It is unknown when one of the <br /> USTs and dispenser islands were removed Thorpe Oil of Lodi, California, removed the <br /> second UST in February 1996 Residual hydrocarbons were detected in soil samples collected <br /> from beneath the UST However, total petroleum hydrocarbons as gasoline (TPHG), as diesel <br />' (TPHD), and benzene were below laboratory detection limits The approximate UST locations <br /> relative to site structures are shown on Figure 2 <br /> In the vicinity of the subject property are several former or current UST facilities a former <br /> ARCO Service Station, a Chevron Service Station, a Texaco Service Station, a former <br /> Colombo bakery, and a former Dolly Madison Based on data collected from subsurface <br />' investigations performed at the former ARCO Service Station, Chevron Station, and Texaco <br /> Station (located at the corners of Charter Way and Lincoln Street), residual and dissolved <br /> hydrocarbons have been detected beneath these facilities, and a commingled petroleum <br /> hydrocarbon plume exists beneath Charter Way and Lincoln Street <br /> • <br /> CP\\\SACRFPI\COMMON\Consulting\data\5haredlProjccts\misc\8800391A as doc-98\xt t IT Corporation <br />