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John P. Cummings & Associates <br /> EnvIronmental Consultants <br /> Ph.(510)505-0722 <br /> P.O. Box 2847 <br /> Fax (510) 791-3306 Fremont, CA 94538.2847 <br /> DEC 17 ?,o", : 4 1 <br /> File No 0396012.06 11 <br /> December 15, 1998 <br /> Carol Oz, RENS <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> Site Mitigation Unit <br /> 304 Weber Ave. , Third Floor <br /> Stockton, CA 95202 <br /> RXz File Clothe, PIEDMONT LUMBER <br /> -`7777 W. -ttfre-et <br /> Tracy CA 94576 <br /> Site Code 506243 <br /> John .P. Cummings and Associates (JPCA) proposes the following <br /> work plan for "File Closure" for the real property at 7777 W. <br /> Eleventh Street, Tracy CA 94576. <br /> The proposed workplan for "File Closure" will incorporate the <br /> nine tasks identified below. <br /> Task 1 <br /> Prepare a complete site history; To include past usage and <br /> facilities located on the subject property, calculated gradients, <br /> high and low groundwater levels (below ground surface) , location <br /> of former tank and septic systems, elevation contours, nearest <br /> surface waters, buildings, streets and subsurface utilities. <br /> Tgsk 2 <br /> Identify and discuss present site conditions. <br /> Task 3 <br /> Tabulate results of all sampling and analyses. <br /> Task 4 <br /> Determine the vertical and lateral concentrations of contaminants <br /> found initially as well as those presently remaining in the soil <br /> and groundwater, if any. <br /> 1 <br />