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WALLACE • KUHL <br /> &ASSOCIATES INC. <br /> February 2, 1996 <br /> Ms Barbara Jean Drake <br /> 8315 Arroyo Way <br /> Stockton, California 95209 <br /> QUARTERLY STATUS REPORT <br /> 26485 THORNTON ROAD <br /> Thornton, California 95206 <br /> WKA No 2556 02 <br /> Dear Ms Drake, <br /> 1 We are submitting this quarterly groundwater monitoring and sampling report for <br /> the subject property located at 26485 Thornton Road 1n Thornton, California <br /> f (Plate 1) The purpose of our work was to comply with groundwater sampling <br /> requirements requested by the Central Valley Regional Water Quality Control <br /> Board (RWQCB) and County of San Joaquin Public Health Services - <br /> {"4 Geotechnical Engineering Environmental Health Department (EHD) Our groundwater sampling was <br /> Engineering Geology performed under the direction and supervision of Mr Steve Sasson of EHD <br /> k, <br /> t1ti `, <br /> � r <br /> Environmental Consulting On January 10, 1996, groundwater samples were obtained from three on-site <br /> Remediation Services monitoring wells MW1 through MW3 (Plate 2) Prior to sampling, the wells were <br /> checked for visual signs of free product using clean, disposable polyethylene <br /> 4 Construction Inspection bailers When no free product was visible, monitoring wells MW 1 through MW3 <br /> i <br /> were purged and sampled as described in Appendix A <br /> 1` Materials'Testing <br /> Based on groundwater elevation measurements the groundwater flow direction is <br /> to the northwest with a hydraulic gradient of 0 003 feet/foot (Plate 1) A historical <br /> 3050 Industrial Blvd summary of groundwater elevation measurements for the subject site is included as <br /> West Sacramento Table 1 <br /> i } <br /> CA 95691 <br /> Fax 916 372 2565 <br /> 916 372 1434 <br /> Recycled paper <br />