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GROUND ZERO ANALYSIS LOG OF WELL MW3 <br /> PROJECT GABBARD LOCATION 640 NORTH EL DORADO, STOCKTON CA PROJECT NO. 256 <br /> DATE DRILLED 12/14/00 LOGGED BY SEAN GARVEY REVIEWED BY JOHN P. LANE RG No. 6795 <br /> DRILLING COMPANY CASCADE ENVIRONMENTAL DRILLER ERNEST GUTIERREZ METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 32.5 FT DEPTH TO WATER : INITIAL 24 FT STATIC 21.9 F7 <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL O FT TO 7 FT <br /> SCREEN TYPE PVC F480 DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 7 FT TO 32 FT <br /> FILTER PACK TYPE 3/12 SAND INTERVAL 5 FT TO 32.5 FT <br /> SURFACE SEAL TYPE 2' BENTONITE: 3' CONCRETE INTERVAL O FT TO 5 FT <br /> COMMENTS: MW3 15 A TWINNED BORING OF S83: SEE SB3 LOG FOR ADDITIONAL STRATIGRAPHIC DETAIL PAGE 1 OF 1 <br /> 'WELL DEPTH FID SAMPLE ID U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> z <br /> FILL 0-5' FILL MATERIAL (FROM S83 LOG) <br /> 4 <br /> 6 <br /> _ 5-13/14' LEAN CLAY (CL): 5-10% FN, A SND; 90-95% FNS, M-H <br /> DRY STRNGTH, N-SLW DLTNCY, M-H TGHNSS. M-H PLST, <br /> 8 CL BLK, STRNG P0, DRY <br /> 10 <br /> 12 19 <br /> 2000 24 <br /> —_ 43 <br /> 13/14-16/19' SILT (ML): FROM SB3 LOG <br /> 14 <br /> ML <br /> = 16 <br /> 16 <br /> 16/19-26/29' SILTY CLAY -SPL): 5-107. 5N0; 90-95% FNS, <br /> _ DRV STRNGTH,H, N-SLW DLTNCY, M-H TGHNSS, M-H PL57, <br /> _ BRN-BLCK, STRING P0, MST <br /> 20 <br /> aaw <br /> 22 28 <br /> B00 25CL/ML <br /> 33 <br /> 24- <br /> -26- <br /> -28- <br /> 26/29-32.5- <br /> 26 <br /> 26/29-32.5' WELL GRADED SAND (SW): 95-1008 FN-CRS, A-SR, W GRDD <br /> 130 SND; 0-5% FNS, GRY/WHT. M-STRNG PO, WET <br /> -32- 600 30 SW ��R�D GED`�//11 <br /> Q� <br /> 34 ¢ JOHN P. <br /> LANE <br /> 36 1n N , 6795 <br /> Q <br /> Q <br /> 3B 9,�QF CALF�� <br /> 40 <br />