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PROJECT <br />PROJECT <br />Tredrek 311:i,JtiSdin:Cii <br />NUMBER <br />NAME <br />VIIVill.Cra <br />197-32 <br />- CRA m <br />VJAWAW;MIWAAMINAIU10111M0-14WrlittMg.RIMWWWIMIIVIZMUM <br />COMPANY <br />WELL CONSTRUCTION LOG <br />WELL NUMBER CH-1 <br />EW-4A; Extration Well Replacement DATE DRILLED August 13, 1996 <br />continued from previous page <br />-Es a <br />0 BLOW COUNTS 1 RECOVERY (%/ft.) Ei Lu <br />a. <br />< m <br />i- <br />z <br />I- <br />X <br />ili <br />• <br />D GRAPHIC LOG • <br />LITHOLOGIC DESCRIPTION DEPTH (ft. BGS) 5 --, <br />LLJ •-• <br />LL1 <br />WELL DIAGRAM <br />CH1- <br />200 <br />CH1 - <br />207 <br />7 <br />T <br />iii <br />— <br /> <br />Mittak Zormelis: 4004ate, <br />Centralizer <br />(214' bgs) <br />Siltation Trap <br />(5 ft.) <br />Sluff <br />Bottom of <br />EW-4A <br />Borehole <br />- --- ML-CLAYEY SILT-gray <br />ML SILT-brown _ <br />— <br />_ <br />- <br />-205-- <br />- <br />_ <br />- <br />- <br />- -p- <br />_ <br />-200----175--- <br />_ <br />-210---185 <br />— <br />-180 —. <br />— <br />- <br />- <br />- <br /> I. <br />— <br />- <br />-190 —• <br />- <br />X <br />x • .x x x <br />x• x <br />x x- x • x x. x . x, x , x x 5( x x x x <br />x x x x x <br />x <br />'— <br />SP/SP-SM/SM-SAND and SILTY SAND-fine grained, <br />flowing <br />— — x-, - — _.J .2'._ <br />ML-CLAYEY SILT-brown <br />— <br />-215-- <br /> <br />- — <br />_ <br />_ <br /> <br />- •+- <br />Bottom of Corehole <br />Continuous Coring Begins at 100 ft bgs <br />Extraction Well EW-4A Developed 10-24-96 through <br />10-26-96 <br />Pumping Testing Conducted 10-27-96 through <br />10-29-96 <br />-220--195 <br />- — <br />_ __ <br />- -l-- <br />-200- --225-,-- <br />- <br />— <br />— <br />-230---205- <br />_J <br />-210— -235-- <br />PAGE 6 OF 6 WELL LATHR H/,