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LTH <br /> f <br /> GROUNDWATER '° t, I I • 1 t <br /> ❑❑ TECHNOLOGY ® Groundwater Technology,Inc <br /> 4057 Port Chicago Highway,Concord,CA 94520 USA <br /> September 26, 1994 Tel (510)671-2387 Fax (510)685-9148 <br /> Ms Linda Turkett <br /> San Joaquin County Public Health Services J <br /> P O Box 2009 tt { <br /> 445 N San Joaquin Street <br /> Stockton, CA 95201 <br /> Subject Third Quarter 1994 Status Report <br /> Golden Grain Company, Manteca Bean Facility <br /> 229 Moffat Boulevard, Manteca, California <br /> GTI Project 042020102 <br /> Dear Ms Turkett <br /> On behalf of Golden Grain Company, Groundwater Technology, Inc has prepared this Third Quarter <br /> 1994 Status Report on groundwater and soil conditions at the Manteca Bean Facility in Manteca, <br /> California (attachment 1, figure 1), for the quarter ending September 8, 1994 The purpose of the <br /> field work was to perform treatment system operation and maintenance, calculate the groundwater <br /> gradient, and evaluate the distribution of dissolved hydrocarbons in groundwater Groundwater <br /> monitoring data and results of laboratory analyses of groundwater samples collected on <br /> August 19, 1994, are included All work was performed as described in a monitoring and sampling <br /> plan submitted to, and approved by, San Joaquin County Public Health Services on <br /> February 27, 1992 <br /> In addition to quarterly monitoring and sampling activities, the soil and groundwater remediation <br /> system was operated and maintained during this quarter Details regarding the operation of the <br /> system through September 8, 1994, including the efficiency of the system and the continued <br /> remediation plans for the site, are discussed below <br /> MONITORING WELL GAUGING <br /> Before well purging and water sample collection on August 19, 1994, Groundwater Technology <br /> personnel gauged all of the site wells to measure the depth to water and the depth to <br /> separate-phase hydrocarbons, if present (attachment 2, table 1) The well gauging was conducted <br /> in accordance with the Leaking Underground Fuel Tank (LUFT) Field Manual published by the State <br /> of California Leaking Underground Fuel Tank Task Force, dated October 1989 <br /> i <br /> 0102R014 202 <br /> Offices throughout the US Canada and Overseas <br />