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L <br /> * Investigation Purpose: To further evaluate the extent of hydrocarbons <br /> in soil and ground water beneath the four parcels. <br /> * Scope of Work Completed: Sixteen soil borings advanced and four <br /> monitoring wells installed; soil and ground water samples analyzed; the <br /> � round water flow direction; g o and gradient beneath the site was <br /> evaluated; and the extent of hydrocarbons in soil aril round water was <br /> L evaluated. Y !� g <br /> I� <br />` * Investigation Result Highlights: <br /> - The depth to round water beneath theII four parcels ranged from <br /> p g q P g <br /> approximately 15 to 33 feet bgs; the gr`oundiwater flow direction <br /> measured during July 1990 ranged from south to southeast and <br /> the gradient varied from 0.052 to 0.056. <br /> k <br /> l I�, <br /> TPH (gasoline, diesel, kerosene and motor oil) and BTEX were <br /> i <br /> detected in soil; maximum TPH-D co centr tions of 14,000 <br /> ff mg/kg were reported. i <br /> TPH (gasoline, diesel) and BTEX were detected in monitoring <br /> well ground water samples; maximum'�TPH';G and total xylene <br /> I� <br /> concentrations of 91,000 µgIL and 14;000 AgIL, respectively, <br /> were reported. Both maximum reported concentrations were <br /> detected in monitoring well MW-4, located immediately to the <br /> I <br /> F <br /> southwest of the Stockton Savings Bank property (adjacent to <br /> i <br /> West Weber Avenue). <br /> I r <br /> 808-001.rpd04-29-971ulkeydaLd reports 22 <br /> ' I <br /> �; k <br />