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GROUND ZERO ANALYS . LOG OF WELL SB1 fMW7 <br /> PROJECT GABBARD LOCATION 640 N. EL DORADO ST. STOCKTON PROJECT NO. '256 <br /> DATE DRILLED 5/6/03 & 5/25/03 LOGGED BY SEAN GARVEY REVIEWED BY <br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVE FISCH METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 37 FT DEPTH TO WATER : INITIAL FT STATIC FT <br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 17 FT <br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 17 FT TO 37 FT <br /> FILTER PACK TYPE #3 SAND INTERVAL 15 FT TO 37 FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVERLAYING BENTONITE INTERVAL 0 FT TO 15 FT <br /> COMMENTS: PILOT HOLE BY DIRECT PUSH PAGE I OF1 <br /> WELL DEPTH PID SAMPLE ID U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0-8' LEAN CLAY (CL); <5% FN, A. SND; >95% FNS; M-H DRY STRGTH; <br /> N-SLW DLTNCY; M-H TGHNESS; M-H PLAST; DK BRN, NPO, DRY-MST. <br /> 2 0.2 <br /> 4 CL <br /> 1 <br /> fi 0.2 <br /> G <br /> 8 <br /> 8-16' SILTY CLAY (CL/ML); <5% FN, A, SND; >95% FNS; M DRY STRGTH; <br /> N-SLW DLTNCY; M TGHNESS; M PLAST; TAN, NPO, DRY. <br /> y 10 0.3 <br /> 12 CL/ML <br /> 14 0.3 <br /> 16 <br /> 16-20' SILT (ML); <5% FN, A, SND; >95% FNS; N DRY STRGTH; R DLTNCY; <br /> L TGHNESS; N PLAST; TAN/BRN, NPO, DRY-MST. <br /> 18 0.2 ML <br /> GASB11- <br /> 20 ---- - <br /> 20-25' SILT (ML); 5-10% FN, A, SND; N DRY STR; R DLTNCY; L <br /> TGHNESS; N PLAST; BRN, NO ODOR; MST-WET. <br /> 22 0.1 ML - <br /> 24- <br /> SZ <br /> Q GAS811-25GW <br /> 26 0.1 <br /> 26 25-33' 2ELL 3 % FNAGED SANDRVL FROM 5)- 2695<5% FNSFN-CR; WHT/ BRN, NPO, WET. <br /> SW <br /> 30 0.4 <br /> -32- <br /> 33-36' CLAYEY SAND (SC); 60-70% FN-M, A-SA, W GRDD SND; 30-40% FNS; <br /> 34 0.3 BRN, NPO, MST-WET. <br /> SC <br /> 36- <br /> 36-40' SILTY CLAY (CVML); <5% FN, A, SND; >95% FNS; M DRY STRGTH; <br /> SLW DLTNCY; A{ TG NESS; M PLAST; BRN, NPO, DRY-MST. <br /> 38 0.2 CL/ML <br /> 1 F <br /> 40 <br />