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T �rc i <br /> s� Shaw Environmental&Infrastructure, Inc <br /> E G"F=�Y IE 10 <br /> 1326 North Market Boulevard <br /> Sacramento, California 95834 <br /> SEP 0 3 2002 916 928 3300 <br /> Shaw-me Shaw Group Inc' <br /> ENVIRONMENT HEALTH FAX 916 565 4356 <br /> August 29, 2002 <br /> Project 880-040 1A . <br /> Ms Margaret Lagorio 11$ <br /> San Joaquin County Public Health Services <br /> Environmental Health Division Gia <br /> 304 East East Weber Avenue <br /> Stockton, California 95202 <br /> IRe Third Quarter 2002 Groundwater Monitoring Report <br /> Parkinson's Hammer I-5 Arco <br /> 3250 West Hammer Lane <br /> Stockton, California <br /> Dear Ms Lagorio <br /> On behalf of Mr Jim Parkinson, Shaw Environmental & Infrastructure, Inc <br /> (Shaw E & I), formerly IT Corporation, presents the results of the third quarter 2002 <br /> groundwater monitoring event for Parkinson's Hammer I-5 Arco <br /> SITE BACKGROUND <br /> The site is located on West Hammer Lane east of Interstate 5 in Stockton, California <br /> The site is a privately owned Arco-branded service station that has retailed gasoline fuel <br />' for approximately 14 years The site currently contains three 12,000-gallon capacity <br /> gasoline underground storage tanks (USTs) and associated product lines and dispensers <br /> Diesel fuel has never been dispensed at the site <br /> On January 7, 2000, the station began product line upgrades After the removal of <br /> dispenser plumbing, soil impacted by petroleum hydrocarbons was discovered below the <br /> western dispenser islands Soil samples were collected from beneath the dispensers and <br />' along the product lines at a depth of approximately 3 5 feet below ground surface (bgs) <br /> � <br /> Shaw Environmental&Infrastructure,Inc <br /> SAC 1N lsacDP120021PR]1P)81580W00401A 2ab doe 0I\ms 1 <br /> (01070000) <br />