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GROUND ZERO ANALYSIS LOG OF WELL MW2 <br /> PROJECT VALLEY VOLKSWAGEN LOCATION 647 E. MINER AVE.. STOCKTON, CA PROJECT NO. 15 <br /> DATE DRILLED 08/24/01 LOGGED BY SEAN GARVEY REVIEWED BY G.P. STAHL.,RG,t(Q. 5023 <br /> . DRILLING COMPANY SPECTRUM EXPLORATION DRILLER TONY METHOD W T MAUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 40 FT DEPTH TO WATER : INITIAL 33 FT STATIC 29 FT <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 PT TO 25 FT <br /> SCREEN TYPE PVC FASO DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 25 FT TO 40 FT <br /> FILTER PACK TYPE X2/12 SANG INTERVAL 23 FT TO4�SEL <br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 22 FT <br /> COMMENTS: AIR-KNIFED TO B FEET. UPPER 3 FEET FINISHED WITH CONCRETE PAGE 1 OF-2- <br /> WELL <br /> FtWELL DEPTH P(0 SAMPLE ID U.S.C. <br /> DETAIL FT. PPM BLOWCOUNT LOG DESCRIPTION <br /> ASPHALT <br /> 2 - <br /> 4 <br /> 6 <br /> a <br /> 10 <br /> 14 <br /> . 16 <br /> 18 <br /> BEGAN LOGGING AT 20' <br /> 20 it <br /> 0 18 20/21.5-25' LEAN CLAY (CL): 5-10% FN-MD SD: 90-95% FNS; H DRY STGTH <br /> 21 N DIL, MOD TGHNSS, MOD PLST, HARD, SRN, NPO, DRY <br /> 2z CL <br /> 24 <br /> VVW MW2 25 <br /> - 9 <br /> 26- 0 11 <br /> 15 21.5/25-31.5/35' WELL GRADED SAND (SW);95-100% FN-CRS, SA-SR W GRDD SD; <br /> 0-52 FNS; M DNS, BRN, NPO, DRY-MST <br /> 28 <br /> SW <br /> 30 7 <br /> - 0 8 <br /> 6 <br /> - 32 <br /> 34 <br /> 8 31.5/35-38.5/40' SILT (ML); 0-5% FN SD; 95-100% FNS; N DRY STGTH, R DIL, <br /> 36 0 13 ML L TGHNSS, MOD-L PLST, V STF, BRN, NPO, WET <br /> = 18 <br /> 38 36.5/40-41.5' SILTY CLAY (CL/ML); 0-5% FN SND: 95-100%. FNS; <br /> M-H DRY STGTH, SLW DIL, MOD TGHNSS, MOD PLST, V STF, <br /> _ BRN, NPO, MST-WET <br /> CL/ML <br /> 40 <br />