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WELL CONSTRUCTION LITHOLOGY SAMPLE DATA <br /> �DepfFi, r PVC SLIP FLUSH MOUNT Graphic ta ••���i••,�Y,Y��^N_�4V�^fy,µ+ �OW4 Core <br /> ����� <br /> (tet CAPS WELL VAULT Lag D e s c r i p t i o n Recovery <br /> ASPHALT/CLASS II aggregate base. <br /> CEMENT SILTY CLAY(CU,dark gray,stiff,high plasticity. <br /> 1-INCH DIA. BENTONTM <br /> _SCH. <br /> 40 PVC GROUT "--'-' <br /> BLANK <br /> SOUNDING - <br /> 5 TUBE 5 <br /> nIN --- CLAYEY SILT(M ),light brown,soft,low plasticity,trace <br /> ——— amounts very fine sand,smooth drilling. <br /> — <br /> 0 —_to <br /> S_ 7 —_ <br /> 10 FRRLAKER ——— 10 <br /> (STAINLESS — <br /> i <br /> STEEL) — <br /> 14-INCH <br /> DIAMETER <br /> BOREHOLE — <br /> 15 i� — --- IS <br /> LBLA <br /> 0C`ASIN __= LCk9GU URDIGS <br /> 20 CENTRALIZER 20 <br /> (STAINLESS <br /> - STEEL) ——— <br /> SAND(SM),Ii ht brown,well sorted fine to medium <br /> - ^ ; grained qua z sand,micaceous.increase in drill rate. - - <br /> 25 25 <br /> BENTONTIE <br /> PELLETS <br /> —s3 LONESTAR <br /> SAND <br /> 30 30 <br /> SAND(SW),.moderately well sorted,medium to <br /> coarse grained with common subrounded fine <br /> gravel,bumpy drilling. <br /> IRNCH <br /> DIAMETER bINCH CLAYEY SANDY SILT(ML),light brown,soft,very low <br /> SI 40 PVC �H so R _ plasticity,decrease in drill rate,smooth drilling. <br /> SOUNDING TUBE SCREEN common fine to medium grained Sand. <br /> SCREEN <br /> 35 (0.020-INCH (0.020-INCH - - - 35 <br /> — SLOT) SLOT) _ <br /> EXPLANATION <br /> Well Permit No. 015078 ® Clay - <br /> Date well drilled: May 5,1998 <br /> Drilling company: Weeks Drilling&Pump Silt <br /> j I <br /> Driller: Rob Schroeder <br /> Sampling Method: Drill Cuttings 177771 Laki <br /> Sa"d <br /> LFR Geologist: Dan Foster f <br /> •y:;'0. Gravel <br /> I <br /> Approved by: <br /> CONSTRUCTION AND LITHOLOGY FOR WELL GEW-002A (page I cf3) <br /> OL F R Lincoln Center,Stockton, C <br /> LEVINE•FRICKE <br /> 67511-107.( <br />