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PROJECT <br />Tredrek <br />ItligMiVten <br />NUMBER <br />.VW <br />197-32 <br />- CPA' <br />41,0, 11403iMVIP.1341107=1WMITIZOIVIILIMMatItiZattIngannaritia'M <br />coMPANY <br />WELL CONSTRUCTION LOG <br />WELL NUMBER CH-1 <br />PROJECT NAME EW-4A; Extration Well Replacement DATE DRILLED August 13, 1996 <br />continued from previous page <br />-E. o. ci. <br />a BLOW COUNTS RECOVERY Mgt.) SAMPLE ID. EXTENT cri <br />Li. 1GRAPHIC LOG LITHOLOGIC DESCRIPTION DEPTH (ft. BGS) 5 - Li, ..:. -J r Li.' <br />WELL DIAGRAM <br />,-- <br />- <br />- <br />_ <br />Centralizer <br />(157' bgsl <br />Filter Pack <br />Sand (#3) <br />Stainless Steel <br />Screen- Wire <br />Wrapped/0.035 <br />Slot <br />-- — ML-CLAYEY SILT-brown <br />SP SAND-medium grained <br />- <br />- <br />- <br />- <br />- <br />- <br />-165-- <br />_ ...k_ <br />- <br />-170-- <br />- <br />_ _i_ <br />- - <br />--160--135- <br />- <br />-- <br />- - <br />- <br />- <br />- <br />- - <br />-140- <br />- <br />- - <br /> <br />-145 - <br />- <br />SM SILTY SAND with clay, fine to medium grained sand <br />SP SAND-medium grained, brown <br />CH1- 4-i <br />167 <br />x <br />x <br />x <br />*x <br />ML-SANDY SILT with clay, grading down to SILT <br />SM/ML-SILTY SAND-fine to medium grained, grading <br />downward to SILT <br />SILT-with some clay \ <br />SM <br />1_1 <br />ML <br />SP SAND-light gray brown, medium grained <br />- <br />- - <br />- - <br />- — <br />- - <br />- - <br />- - <br />-190-1 <br />_ <br />- - <br />- - <br />-195-1 <br />-1 75---150- <br />-180-155- <br />-185---160- <br />.., <br />_ <br />65 - <br />- <br />CH1- 1- <br />180 <br />SM <br />4_ <br />SILTY SAND-fine grained grading downward to coarse <br />grained sand <br />SP SAND-coarse grained <br />SM - - SILTY SAND-medium grained <br />SP SAND-fine grained, flowing <br />x-- ' ; x ; <br />-7 7, <br />-5- <br />R 74 <br />- - CL-SILTY CLAY <br />°-- a - 0 - GC-CLAYEY GRAVEL <br />3- - - >,c _ <br />--- - <br />70 - <br />CLAYEY SILT with sand <br />ML-SANDY SILT-grading downward to silt <br />Continued Next Page t <br />x <br />)< <br />PAGE 5 OF 6 WELL LATHR 11,