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1 <br /> e. GROUND ZERO ANALYSIS, INC. <br /> 1 1714 Main Street 02 i}' r <br /> Fscalon, California 95320-1927 M �� , <br /> Telephone (209)838-988$ <br /> Facsimile (209)838-9883 <br /> May 3, 2002 <br /> Mr Jeff Wong <br /> San Joaqum County Public Health Services <br /> Environmental Health division <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> Subject First Quarter Groundwater Monitoring and Sampling Report, <br /> Speedy Mart, 8200 N Highway 99, Morada, CA <br /> Dear Mr Wong <br /> This letter report summarizes the First Quarter 2001 groundwater monitoring and sampling activities at <br /> the subject site(Figure 1) <br /> 10 SITE ACTIVITIES <br /> Activities at the site included removing free product from well MW 1, surveying all site wells as <br /> required by AB2886, collecting groundwater groundwater samples from the domestic water supply <br /> well prior to its destruction, disposing of wastewater stored at the site, monitoring groundwater levels <br /> in all site wells, and purging and sampling groundwater from wells MW2 through MW9B <br /> 2.0 FIELD WORK <br /> 2.1 Free Product Measurement and Recovery <br /> As an interim remedial action, Ground Zero is actively bailing product from well MW 1 Since August <br /> 16, 2001, a total of approximately 43 5 gallons of product/water mixture has been extracted by <br /> manually bailing the well and transferring the liquid into a Department of Transportation (DOT) <br /> approved storage container <br /> A Ground Zero technician measured free product thickness and removed approximately 5 50 gallons of <br /> product/water nuxture from well MW1 during the reporting period The product thickness measured <br /> 0 02 to 0 03 feet between January 7 and February 11, 2002 No measurable product was present <br /> ,t l� between February 11 and March 4, 2002, and 0 01 feet of product was measured on March 20, 2002 <br /> G\Data1GROtNDZE\TUL.EBURG1Reports\QMR\1QM2002 doc <br />