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.p f■ li <br /> GROUND ZERO ANALYSIS LOG OF WELL MW1 <br /> --t:-- = r-� ` -_,N—. -r ..-y. _: 388 " <br /> PROJECT NORTH STOCKTON AUTO LOCATION 8709 N DAVIS S7 5T00KTON, CA PROJECT N0. <br /> DATE DRILLED _06/20/01 _ LOGGED BY SEAN GARVEY REVIEWED BY` GREG STAHL, RG NO. P023 <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER TONY-YOUNG METHOD HOLLOW STEM AUGER <br /> s <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 45 FT ' DEPTH TO WATER : INITIAL - 33 F7 STATIC.: 29 FT <br /> CASING TYPE QVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO. '24 FT <br /> SCREEN TYPE PVC DIAMETER _ •2 IN SLOT SIZE 0.020 IN INTERVAL 24 FT TO= 44 FT <br /> FILTER PACK TYPE #3 SAND INTERVAL 22 FT TO X44 FT <br /> SURFACE SEAL TYPE NEAT CEMENT (5% BENTONITE) OVER_- BENTONITE INTERVAL (I TO '22 FT <br /> COMMENTS: PAGE 1 OFA <br /> WELL DEPTH PID SAMPLE ID U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0-6� CONCRETE. <br /> 2 <br /> 4 6'-6.5/9:5' CLAYEY SAND; 60-65% FN-MD, P GRDQ SAND; 35-40% FNS; <br /> 0 DNS, BRN, NPO, DRY <br /> 6 SC <br /> 6 16 <br /> 25 <br /> 8 <br /> 10 6 6.5/,9.5-14.5..-xn.., WELL. CRADED�SAND;.95-,1005%•_FNYCRS;=W GRDD=IAND;^ <br /> -.:p - x r 6. 0-5% FNS; UO DNS, BRN, NPO, DRY <br /> 12 sw l� <br /> I� <br /> —14- <br /> 4.B 14 <br /> 30 14.5-16/19.5' CLAYEY SAND: 70-75% FN-MD, W GRDD SD; 25-30% FNS" <br /> 16 39 SC V DNS, DK ERN, NPO, DRY <br /> 18 <br /> 9 16/19.5-21/24.5' POORLY GRADED SAND: 95-100% FN, PRLY GRDD SD; <br /> 20 2 9 5P 0-5% FNS;, MD ONS, BRN, NPO, DRY <br /> 11 <br /> 22 <br /> 24 <br /> ML- <br /> 116 21/24.5-,26/29.5 SILT: 0-5% FN SD; 95-100% FNS; N DRY STRGTH, R DLTNCY, <br /> 16 .. L ,TGHNSS,,N LSTV STIFF <br /> P STIFF_BRN, DRY It <br /> i <br /> NSA MW1 3 <br /> 30 1.4 6 26/29.5-31/34.5' SILTY CLAY: 0-5% FN SD; 95-100% FNS; M DRY STRGTH <br /> _ 5 N-SLW DLTNCY, M TGHNSS, M PLST,•BRN, NPO, MST <br /> 8 CL/ML <br /> —32- <br /> -34— <br /> . <br /> 234 31/34.5-36/39.5' SILTY SAND: 70% FN PRLY GRDD SD; 30% FNS, DNS, BRN <br /> 1 6 NPO, WET <br /> 23 SM <br /> 36 7" <br /> 36/39.5-44.5' WELL GRADED SAND?; HEAVING SANDS, NO RECOVERY,IN TUBES <br /> 38 ID FROM RESIDUE ON TUBES <br /> NO RECOVER <br /> SW? <br /> 40 7 <br />