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1 <br /> GROUND ZERO ANALYSIS LOG OF WELL MW4 <br />' PROJECT TU BURG WAREHOUSE LOCATION 8200 NORTH HIGHWAY 99, STOCKTON CA PROJECT NO 263 , <br /> .DATE DRILLED 10/8/99 _ LOGGED BY SEAN GARVEY REVIEWED BY JOHN LANE RG No 6795 <br /> DRILLING COMPANY SPECTRUM DRILLER 8088Y NIXON METHOD HOLLOW STEN AUGER <br />' BORE HOLE DIAMETER a IN DEPTH DRILLED 76 FT DEPTH TO WATER INITIAL 64 FT STATIC FT <br /> CASING TYPE PVC F480 DIAMETER - 2 IN SCHEDULE 40 INTERVAL 0 FT TO _ 55 FT <br /> SCREEN TYPE PVC F480 DIAMETER 2 IN _ SLOT SIZE0 020 IN INTERVAL 55 FT TO _ 75_ FT <br />' FILTER PACK TYPE 17112 I'LiCh SAND INTERVAL 53 FT TO _75 FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE INTERVAL _ D FT TO 53 — FT <br /> COMMENTS PAGE_J_OF__Z_ <br /> WELL DEPTH FID SAMPLE ID U S C DESCRIPTION <br />' DETAIL FT PPM BLOWCOUNT LOG <br /> 0- ASPHALT <br /> FILL 3-_3 FILL <br /> 2 <br />' 4 <br />' — 6 ML <br /> 8 <br /> 5 SILT (ML) <5R FN A SND, >95% FNS, N-L DRY STRNGTH, <br /> R DLTNCY, L TGHNSS N PLST STIFF BRN NPO, DRY-MST <br /> 1Q4 <br /> 0 7 <br /> 7 <br />' 12 <br /> _14— <br /> is- <br /> 11/19 <br /> 611/19 5-21/29 5' SILT (ML) 10% FN SND 90% FNS N DRY STRNGTH <br /> 18 R DLTNCY, L TGHNSS N PLST V STIFF BRN, NPO <br /> - ORGANICS, DRY-MST, TREE ROOT MATTER <br /> 2Q 8 <br /> 10 ML <br /> 0 15 <br /> 22- <br /> -24- <br /> - <br /> 21/29 5-31/39 5' WELL GRADED SAND WITH CLAY (SW-SC) 90% FN-CRS, A- <br /> - - SA, W GRDD SND, 10% FNS, M DNS, BRN, NFO, DRY-MST <br /> 26 <br /> 28 <br /> t <br /> TW—MW4-30' <br /> 30 0 j Sw-sc <br /> 32 <br /> 20 <br /> 34 31/39 5-41/49 5' SILTY CLAY (CL/MH) <5R FN-M SND >95x FNS, M DRY <br /> _ STRNGTH, N-SLW DLTNCY, M TGHNSS, M PLST, BRN, NPO, <br /> DRY, CALCAREOUS <br /> _ 36 <br /> 38 <br /> rs 0 CL/MH <br /> 40 <br />