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EF <br /> ` V Straw Environmental, Inc <br /> 1326 North Market Boulevard <br /> UN -1 4 2005 Sacramento CA 69 <br /> 9528 3300 <br /> } <br /> Fax 9165654356 <br /> ENWRONMEN] HEALTH Fax(Billers Only) 916 928 0415 <br />' ShaWe Shaw Enmronmentai, Inc PERMIT/SE=RVICES <br />' June 10, 2005 <br /> Project No 880040 lA 02010000 <br /> Ms Vicki McCartney <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue <br /> Stockton, California 95202 <br /> Re Second Quarter 2005 Groundwater Monitoring Report, Parkinson's Hammer <br /> 1-5 Arco, 3250 West Hammer Lane Stockton, California <br />' Dear Ms McCartney <br /> On behalf of Parkinson's Hammer I-5 Arco, Shaw Environmental, Inc (Shaw) presents <br /> the results of the Second Quarter 2005 groundwater momtonng event for the above <br /> z referenced site <br /> SITE BACKGROUND <br /> The site is located at 3250 West Hammer Lane, in Stockton, San Joaquin County, <br /> California The site is a privately owned Arco-branded service station that has retailed <br /> gasoline fuel for approximately 15 years It contains three 12,000-gallon capacity <br /> gasoline underground storage tanks (USTs) and associated product lines and dispensers <br /> IDiesel 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, petroleum hydrocarbon impacted soil 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 /> Remedial activities conducted in January 2000, included removal of approximately <br />' 262 tons of impacted soil from beneath and near the dispenser and product lines <br /> Excavation areas were selected based on the January 7, 2000, sampling results <br /> Excavation was restricted laterally by concrete canopy footings and asphalt surfacing <br /> 1 <br /> N\sacDP120051Pg188018800401 A Sab doc <br /> A Shaw Group Company <br />