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4 <br /> Jft <br /> MONITORING WELL INSTALLATION <br /> REPORT No 13 <br /> S <br /> Project las Gas Station, Lodi,, California Location Corner of N Drzvewa <br /> Project No TL 385-124-01 Installed By VR Edi <br /> Date 8-20-85„Time_ •m• - <br /> Method of Installation The boring was made using 8-inch hollow augers. The auger <br /> was raised and the pipe lowered through the hollow casing. Depth of sealE <br /> and type of pipe installed is shown on the sketh below. <br /> Type of Well Instld. Groundwater Monitoring Well <br /> Ground Elev Top of Riser Elev — <br /> L� Cap: SEALED/LOCKEo <br /> —1 D of Riser Pipe 2-inch <br /> L1 01-4” Type of Pipe Schedule 40 PVC <br /> L2 201-81, LZ <br /> Type of Backfill Around <br /> L3 1' I Riser20% Cement <br /> 80% Bentonite <br /> L4 54' 21' <br /> Top of Seal Elev <br /> LS 26' iype of Seal Ma7erlal Bentonite Pellets <br /> L6 50' <br /> - Ly <br /> L7 76' L' <br /> 1 <br /> Top of Filter E1ev -22' <br /> --Type of Filter Material <br /> 5/10" Pea Gravel <br /> Lq Size of Openings 0 . 02-inch <br /> L6 i Diameter of <br /> Tip 2-inches <br /> I �``—`--Bottom of well Elev 76' <br /> t <br /> F �� <br /> I Eottom of Boring Elev 761 <br /> 01ameter of Boring 8-inches <br /> Douglas Gas Station C <br /> Lodi., California <br /> - -PROVED Ely The Twining <br /> Laboratories , Inc. <br />