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lf <br /> GROUND ZERO ANALYSIS LOG OF WELL MW 1 <br /> PROJECT GREGERSON LOCATION 1717 S CENTER STREET, STOCKTON CA PROJECT NO 281 <br /> DATE DRILLED 07/14/99 LOGGED BY SEAN GARVEY REVIEWED BY GREG P STAHL RG No 5023 <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER DUE METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER ,8_ IN DEPTH DRILLED 35 FT DEPTH TO WATER INITIAL 23 FT STATIC 23 FT <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL OFT TO 15 FT <br /> SCREEN TYPE PVC F480 DIAMETER 2 IN SLOT SIZE 002 IN INTERVAL - --15 FT TO 35 FT <br /> FILTER PACK TYPE Al SAND __ _ - INTERVAL 13 FT TO -35 FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE INTERVAL 0 FT TO - U FT <br /> COMMENTS. PAGE 1 OF I <br /> WELL DEPTH FID SAMPLE 10 U S C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> ORGANIC SOIL (OL/OH) DRK BRN, NPO, ORGANIC <br /> 2 <br /> 4 <br /> 8 6'-16/19 5' LEAN CLAY WITH SAND (CL) 10-20% FN TO FN—M A—SA, <br /> 0 9 W GRDD SND, 90-90% FNS, M—H DRY STRNGTH, SLW DLTNCY, <br /> 6 14 M TGHNSS M PLST, V STIFF, BRN, NPO DRY TO MST <br /> S CL <br /> 10 5 <br /> O 11 <br /> 18 <br /> 1-12 <br /> -14- <br /> 0 3 <br /> 6 <br /> _ 16 14 <br /> 16/195'-21/245- SILTY CLAY (GL/ML) 5% M—CRS SA, W GRDD SND 95% <br /> FNS, M DRY STRNGTH, SLW DLTNCY, M TGHNSS, M PLST, STIFF, <br /> 113BRN NPO MST <br /> MW1—20' <br /> 20 0 5 CL/ML <br /> 10 <br /> 22 <br /> 24 21/24 5-36' POORLY GRADED SAND (SP) 100% FN, A—SA, PRLY GRDD <br /> SNO, M DNS, BRN, NPO, WET <br /> — 8 <br /> 26 D i4 'C�qEO GEOCo <br /> Cis <br /> 2B a <br /> GREGORY P. <br /> SP STAHL <br /> 3D c 6 No 502 <br /> 9 <br /> 16 V� <br /> 32 l9,rc r 4 <br /> '+�•..eek r <br /> 34 <br /> M W 1-36' <br /> O 12 <br /> 36 24 CL 36-36 5' LEAN CLAY (CL) 100% FNS H DRY STRNGTH N—SLW <br /> DLTNCY, M—H TGHNSS M—H PLST HRD CRY, NPO, DRY— <br /> MST <br /> 38 <br /> 40 <br />