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R E C E i ";W 2"- L <br /> `. ENVIRONMENTAL HEALTH Working to Restore Nature <br /> PERMIT/SERVICES <br /> 1710 Main Street <br /> Escalon, CA 95320 <br /> Phone (209)838-3507 <br /> >✓AX (209) 838-3509 June 12, 1992 <br /> Ms Mary Meays <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O Box 2009 <br /> Stockton, CA 95201 <br /> RE Marital Deduction Trust <br /> 601 South Ventura, Stockton, California. <br /> PHS/EHD Site Code 1275 <br /> Dear Ms Meays <br /> This letter report details First Quarter 1992 activities performed at the above referenced site <br /> (Figure 1) <br /> To determine the lateral extent of the groundwater plume in the down gradient direction, <br /> RESNA Industries personnel observed the installation of monitoring well MW4 The well was <br /> drilled on March 17, 1992 to a total depth of 32 feet below grade by Spectrum Exploration using <br /> a hollow-stem auger drill ng Mary Meays of the San Joaquin County Public Health <br /> Services/Environmental Health Division (PHS/EHD) was present to observe sample collection <br /> and monitoring well installation <br /> Groundwater was initially encountered at 19 50 feet which later stabilized at 15.65 feet The <br /> soil boring was advanced approximately 16 feet beyond static groundwater and converted to a <br /> groundwater monitoring well by the installation of 2-inch diameter PVC screen, casing, <br /> bentonite, and grout Well construction details and PID readings are shown on the well/boring <br /> log (Attachment 1) All soil cuttings were containerized in DOT 17H drums pending laboratory <br /> analyses. <br /> Sam Aing Procedur <br /> Soil samples were collected at 5-foot depth intervals using a split-spoon sampler with brass <br /> liners The material from one sample liner was described and field screened with a <br /> L051592 GLN <br />