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a <br /> IT Corporation <br /> 1326 North Market Boulevard <br /> Sacramento, CA 95834 1912 <br />+ Tel 916 928 3.300 <br /> J& . <br /> � <br /> he D Fax 916 928 3341 <br /> r <br /> (AfLyroup n ED I� , va <br /> A Member of The II Croup <br /> FEB 2 7 2002 <br /> ENVIRONMENT HEALTH <br /> PERMIT/SERVICES February 21, 2002 <br /> Project No 880-040 1A <br /> Mr Sam Savig <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue <br /> Stockton, California 95202 <br /> Re First Quarter 2002 Groundwater Monitoring Report <br /> Parkinson's Hammer 1-5 Arco <br /> 3250 West Hammer Lane <br /> Stockton, California <br /> Dear Mr Savrg <br /> On behalf of Mr Jim Parkinson of Parkinson's Hammer 1-5 Arco, IT Corporation (IT) <br /> presents the first quarter 2002 groundwater monitoring results for the <br /> Parkinson's Hammer I-5 Arco site <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, product line upgrades began After the removal of dispenser <br /> plumbing, soil obviously 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 /> On January 26, 2000, remedial activities were conducted including removal of <br /> approximately 262 tons of impacted soil in the area below dispenser and product lines <br /> SAC IN 1sacDP120021PRJ1P18188018$00401A 2aa doc-Oflrt Ir CORPORATION 1 ' <br /> (01070000) <br />