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F f <br /> GROUND ZERO ANALYSIS LOG OF WELL MW2 <br /> PROJECT CREGERSON LOCATION 1717 S CENTER STREET STOCKTON CA PROJECT NO 281 <br /> DATE DRILLED 97/16/99 LOGGED BY SEAN GARVEY REVIEWED BY GREG P STAHL RG No 5023 <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER RICK METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IIA- DEPTH DRILLED 40 FT DEPTH TO WATER - INITIAL 30 FT STATIC 21 `FT <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT- TO 15„ FT <br /> SCREEN TYPE -PVC F480 DIAMETER 2 IN SLOT SIZE 002 IN INTERVAL - 15-- F3- TO - 40 FT <br /> FILTER PACK TYPE 03 SAND INTERVAL 13 El TO _- 40 _FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE _ INTERVAL p - —FT TO - 13 T <br /> COMMENTS _ PAGE 1 OF--L- <br /> WELL <br /> F?WELL DEPTH FID SAMPLE ID U.S C. DESCRIPTION <br /> 1 -DETAIL FT (PPV) BLOWCOUNT LOG <br /> CONCRETE <br /> 2 <br /> 4"-6/9 5' BASE ROCK FILL <br /> 1 4 FILL <br /> 6 0 <br /> 8 <br /> 3,000 40 <br /> 10 28 <br /> 33 <br /> 1 12 <br /> 6/9 5-31/34 5 SILTY CLAY (GL/ML) 5-107 FN-M, A TO SA, W i <br /> GROG SND, 94-95% FNS M-H DRY STRNGTH, SLW DLTNCY, <br /> 14 M TGHNSS, M-H PLST, HRD TO V STIFF, BRN TO BRN <br /> — W/GRY MOTTLING STRNG PO TO MPO MST TO WET <br /> _ <br /> >10,000 16 <br /> 21 <br /> 16 22 <br /> 18 <br /> MW2--20' <br /> — 20 12 <br /> >10.000 18 CL/ML <br /> 28 <br /> —22— <br /> —v- <br /> -24- <br /> 1 <br /> 22410 <br /> goo 15 <br /> 1 — 26 20 <br /> 28 <br /> ' 6 <br /> 30- <br /> 6006--- 13 <br /> _ 18 <br />' <br /> :-32- <br /> 31/34 5-34 fi' POORLY GRADED SANG (SP) lOOX FN, A-SA, PRAY GROD <br /> 5N0, M DNS BRN <br /> I — 34 SP <br /> 9 <br /> 10 000 15 <br /> 36 23 34 6-41 SILT (ML) 10-15% FN A-SA PRLY GRDO SNO <br /> 1 _ TRC GRVL, 85-90% FNS, M DRY STRGNTH, SLW DLTNCY, <br /> M TO M-H TGHNSS L-M TO M PLST, HRD GRY <br /> M-STRHG PO MST <br /> 38 ML <br /> 5000 B . <br /> 40 <br />