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171 -90 <br /> The annular space between the screened casing and the boring wall was filled with coarse <br /> sized sand filler packing. The filler pack extended approximately 1 to 2 feet above the <br /> top slot of the screen. A 3 foot bentonite pellet seal was placed above the filter pack. The <br /> remaining annular space was sealed with a bentonite cement grout. A locking PVC well <br /> w <br /> cap was installed on the top of the well enclosed In a metal housing with a steel bolt down <br /> cover. For more Information concerning the construction of monitoring wells see <br /> t ' APPENDIX A. <br /> eAo TESTHOLE BORING CONTAINMENT <br /> w The soil cuttings from the monitoring wells were retained on site, stored on and covered <br /> i <br /> with 4 mil black plastic and covered with black plastic. The soil cuttings will remain on <br /> site until laboratory test results on soil samples are available. After review of the <br /> F., laboratory test results, appropriate disposal of boring soil cuttings can be determined. <br /> L- <br /> Our field investigation was conducted in accordance with approved State of California <br /> LUFT Manual Recommendations, E.P.A. and San Joaquin County Health Department <br /> Regulations and A.S.T.M.Test Methods. <br /> j <br /> I � <br /> lett - <br /> I:. <br /> 6u.r .. <br /> 1' <br /> i.: ---------- <br /> 12 <br /> { <br />