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4 - <br /> '` IT Corporation <br /> 3939 Cambridge Road, Suite 220 <br /> Cameron Park, CA 95682-9007 <br /> Tel 530 676 6884 <br /> th4e Fear 530 676 6885 <br /> / <br /> OU <br /> �r <br /> f f A Afembc r of The IT Group <br /> P"'12 S f <br /> January 28, 2000 <br /> Project 792774 01000000 <br /> Mr Don Rodgers <br /> 11900 South Union Road <br /> Manteca, California 95336 <br /> Re Fourth Quarter 1999 Status Report for The Transmission Shop, Located at <br /> 515 West Charter Way, Stockton, California <br /> Dear Mr Rodgers <br /> At your request, FT Corporation (IT) currently performs quarterly groundwater monitoring at the <br /> subject site (see Figure 1) IT has prepared this status report on the work conducted during the <br /> fourth quarter 1999 Work included groundwater monitoring, which consisted of measuring depth <br /> to groundwater and collecting a groundwater sample from the on-site monitoring well for subjective <br /> and laboratory analyses <br /> BACKGROUND <br /> The site is located at the southeast corner of the intersection of Charter Way and Lincoln Street in <br /> Stockton, Califorma (see Figure 1) The property is located in a commercial area and is currently <br /> being used as a transmission repair shop Based on information provided by the San Joaquin <br /> County Public Health Services (SJCPHS), two underground storage tanks (USTs) were present, <br /> and the site was historically used as a retail service station, with gasoline dispensing activities <br /> ceasing sometime in the 1950s It is unknown when one of the USTs and dispenser islands were <br /> removed Thorpe Oil of Lodi, California, removed the second UST in February 1996 Residual <br /> hydrocarbons were detected in soil samples collected from beneath the UST However, total <br /> petroleum hydrocarbons as gasoline (TPHG), as diesel (TPHD), and benzene were below <br /> laboratory detection limits The approximate UST locations relative to site structures are shown <br /> 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 Colombo <br /> bakery, and a former Dolly Madison Based on data collected from subsurface investigations <br /> performed at the former ARCO Service Station, Chevron Station, and Texaco Station (located at <br /> the corners of Charter Way and Lincoln Street), residual and dissolved hydrocarbons have been <br /> detected beneath these facilities, and a commingled petroleum hydrocarbon plume exists beneath <br /> Charter Way and Lincoln Street <br /> CP1C 1Archive\Rodgers\Qtr1y\RA0RQ499 doe-98V%1 IT Corporation <br />