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PROJECT <br />TreaTek- rmiivi;i1;gatm <br />NUMBER 197-32 <br />CRKCOmPANY Ailawm, ,mominnmvinarzmumminmitualworiginsagammitignisaiarim , <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 />a a <br />o I BLOW COUNTS 1 RECOVERY (%Ift.) ci <br />u.i ....1 o_ <br />2 <br />< cn 1 EXTENT q 1GRAPHIC LOG LITHOLOGIC DESCRIPTION DEPTH (ft. BGS) 5 ---: LU •-• -J 4- in <br />WELL DIAGRAM <br />CH,- <br />CH1- <br />180 <br />I _ <br />_ <br />.. <br />_ <br />- <br />. . <br />Centralizer <br />(157 bgs) <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 />_ -i-_ <br />_ <br />_ _L_. <br />_ <br />- <br />--I 70-- <br />- -i- <br />_ <br />_ <br />— <br />—I 60--'--135— <br />— <br />— - <br />-145 —.. <br />SM SILTY SAND with clay, fine to medium grained sand <br />SP SAND-medium grained, brown <br />y <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 />to SILT <br />SILT-with some clay <br />SM <br />A downward <br />ML <br />SP SAND-light gray brown, medium grained <br />_ <br />_ <br />_ _,_ <br />—180-- <br />- — <br />_ <br />_ <br />_ <br />_ <br />- — <br />_ <br />- — <br />_ <br />- _ <br />--I 75---150—, <br />H85---160— <br />—195----170 — <br />-155 — <br />- <br />-. <br />- <br />SM SILTY SAND-fine grained grading downward to coarse <br />grained sand <br />SAND-coarse grained SP - <br />SM SILTY SAND-medium grained <br />SP <br />— ,,,, SAND-fine grained, flowing <br />x _ x --5-< -x <br />CL-SILTY CLAY <br />' 0 -1 GC-CLAYEY GRAVEL <br />--- CLAYEY SILT with sand <br />ML-SANDY SILT-grading downward to silt <br />Continued Next Page <br />x <br />X <br />x . <br />x <br />X <br />PAGE 5 OF 6