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N <br /> � _ � <br /> x <br /> = y��'S'.' •� �e,- '�4 <br />�a <br /> C <br /> MONITORING WELL INSTALLATION REPORT <br /> Well No. ,"Ill-4 _ <br /> ProjectThrifty Oil Comnany No. 172 Location 7647 Pacific Avenue, Stockton, CA <br /> Project No. SSB 91-1038 Installed By SB&S Drilling Date 5/31 91 <br /> Method of Installation: The well was installed using 8-inch hollow stem augers. The <br /> casing was placed through the auger. The sand filter was placed as the auger <br /> was raised. <br /> Type of Well Instld. Ground-Slater htonitorinn Well <br /> Ground Elev. 13.59' Top of Riser Elev. 13.49' <br /> d Cap; Locking, water tight <br /> - — <br /> ?„ <br /> I.D. of Well Casing <br /> w' Schedule 40 PVC <br /> a: 79 <br /> Type of ipe— <br /> 0, <br /> M ie Type of Backfill Around <br /> b: 30 Riser Neat cement with approximately <br /> 5% bentonite <br /> c• 44.8 Ft. •° <br /> Top of Seal Elev. -23.8' <br /> d• 0.1 Ft. <br /> f Type of Seal Material Ranron'i re ChinG---C-318 <br /> e: 35 Ft. <br /> a , <br /> f; 2.5 Ft. Top of Filter Elev. --26.3 <br /> g: 37.5 Ft. <br /> Type of Filter Material No. 2/12 Sand, Pre-flashed <br /> b = Size of Openings 0.020" <br /> �--- Bottom of Well Elev. -61.3' <br /> Bottom of Boring Elev. -65' <br /> rr <br /> �•..----I Diameter of Boring 8 <br /> SSE EnvironmentSt <br /> Ct)nSUlt3nt5. Inc. <br /> — 5740 Eas.`Shields Avenue,Suite 103,Fresno,CA 93727 (209)292.5736 <br />