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iIT Corporalion <br /> 1326 North Mar,eIt uAeV rd��I E <br /> Sac►amento, C4 95834--1912 <br /> Tel 916 928 3300 <br />!,*he Fax 916 928 3341 F E B 2 7 2002 <br /> it dlemberofThc lIFffiIRfONMENT HEALTH <br /> (t;group- <br /> P&MIT/SERVICES <br /> February 22, 2002 <br /> Project 880039 IA <br /> Mr John Benedict <br /> San Joaquin Valley Air Pollution Control Board <br /> 4230 Kiernan Avenue, Suite 130 <br /> Modesto, California 95356 <br /> Re Fourth Quarter 2001 Status Report for The Transmission Shop <br /> 515 West Charter Way <br /> Stockton, California <br /> Dear Mr Benedict <br /> On behalf of The Transmission Shop,IT Corporation (IT) currently performs quarterly groundwater <br /> monitoring and remediation system operation and maintenance (O&M) at the site referenced above <br /> (see Figure 1) IT has prepared this status report on the work conducted during the fourth quarter <br /> 2001 Work included groundwater monitoring and remediation system O&M <br /> BACKGROUND <br /> The site is located at the northeast comer of the intersection of Charter Way and Lincoln Street in <br /> Stockton, California (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 /> 1 petroleum hydrocarbons as gasoline (TPH-g), as diesel (TPH-d), and benzene were below <br /> laboratory detection limits The approximate former UST locations relative to site structures are <br /> 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, and a Texaco Service Station Also located <br /> in the property vicinity is a former Colombo bakery 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 <br /> Between September 17 and October 11, 1996, EMCON/OWT observed the drilling of six soil <br /> borings (B-1 R through B-6R) One soil boring was converted to monitoring well MW-IR, three <br /> IT CORPORATION <br /> ' SAC 111SACRFPIICOMMON\sacDP120021PR]1P781880\8800391 A 2aa doe-Wit 1 <br /> (01010000) <br />