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_ M <br /> MONITORING WELL INSTALLATION i <br /> REPORT No 11 <br /> Project Douglas Gas Station, Lodi, California <br /> TL 385-124-00 Location N Side of Maxwell Motor <br /> Project No Installed By D. DZebert <br /> Supply <br /> Methcd of installation The boring is made using an 8-inch Date: 7--11-85 Time: p.m. <br /> hallow stem au er. The auger is raised and the pa.pe is Ower through the hollow stun. <br /> The au er is then-removed. Depth of seals, depth of pipe, type 57—pi—pe zns <br /> is sbMM on tbe sketch below. <br /> Type of Well lnstld. Groundwater Monitoring well <br /> Ground Elev Top of Riser Elev -� <br /> t.i Cap. seniEo/LotKEo <br /> —10 of Riser Pipe 2" <br /> Ll 0' - 6" ' I Type of Pipe PVC Schedule 40 <br /> L2 311- 6" L2 1 <br /> I -T7Pe of Backfill Around <br /> L3 1'-6" I Riser, 20% Bentonite <br /> 80% Cement <br /> L4 35'-6" Ls t I lap of Seal Elev 31'-61' <br /> 5 381-21' ';�iype of Seal Material Bentorate Pellets <br /> L6 301-41' <br /> L r — <br /> 7 75'-0" L? Ly <br /> _ t <br /> Top of Filter Eley 33'-0" <br /> --Type of Filter Material L1611 Pea Gravel j <br /> ,4 <br /> L4 ` , ' I j Size of Openings 0.020 -` <br /> Diameter of <br /> y4r Tip 2-inch <br /> t <br /> —olfom of Well Elev 681-611 <br /> 1 t <br /> i "oltom of Boring Elev 74'-8" <br /> Diameter of Boring 9-inch <br /> L:Dougla-s Gas Station y'1t <br /> 7-11-85 <br /> ell Motor Supply) -••r� n� -eeRovr:o i�r The Twining <br /> California DI,D Laboratories , Inc. <br />