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1 <br /> GROUND ZERO ANALYSIS LOG OF BORING DB-3 <br /> &ROJECT KNOWLES HAMMER ^T LOCATION 1140 WEST HAMMER N STO KTON CA PROJECT NO 95-013 <br /> DATE DRILLED 07/14/98 LOGGED BY JEANNE BUCKTHAL REVIEWED BY JOHN P LANE REG No 6795 <br />' DRILLING COMPANY WOODWARD DRILLING,Co DRILLER AMADOR ARROYO METHOD HOLLOW STEMT— <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED _ 71 FT DEPTH TO WATER INITIAL 43 FT STATIC _ F7 <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO - FT <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT TO FT <br />' FILTER PACK TYPE NA INTERVAL FT TO -- _ FT <br /> SURFACE SEAL TYPE NEAT CEMENT INTERVAL 0 FT TO _ 71 FT <br /> COMMENTS PAGE 1._OF--2— <br />' WELL DEPTH FID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPM SLOWCOUNT LOG <br /> 2 <br /> 4 <br />' 0-21 5/30 SILT (ML) 5-107. FN PRLY GROD SND 90-95% FNS SLW <br /> 6 DLTNCY L TCHNSS N-L PLST V STIFF BRM NPO DRY TO MST <br /> (NATIVE BACKFILL) <br /> 10 6 <br />' 0 8 <br /> 8 <br /> 12 <br /> ML <br /> (Ila!v. FIiF) <br /> —14- <br /> 16 <br /> 416 <br /> 18 <br /> 20 <br /> 0 8 <br /> 8 <br />' 17 <br /> 22 <br /> 24 <br />' 21 5/30-31 5/35 WELL GRADED SAND WITH GRAVEL (SW) 70-757. FN-CRS W <br /> 0% <br /> CRDD SND 25-3FN SA-R W GRDD GRVL <5- FNS <br /> V DNS BON NPO RAST <br /> —"2fi (NATIVE BACKFILL) <br /> 28 <br /> 30 SW <br /> 0 8 nu) <br /> 24 <br /> 4D <br /> 32 <br /> 31 5/35-36 5/40 LEAN CLAY (CL) <57 FN SND >95% FNS N DLTNCY M <br /> —34-- TGIANSS L-M PLST ST[FF CRY & BRN NPO DRY <br /> DB3-36 <br /> 4 <br /> I36 0 8 CL <br /> 36 5/40-41 5/45 SILT (ML) <5% FN SND >957. FNS SLW DLTNCY L TCHNSS <br /> w 38 L PLST V STIFF ORN NPO DRY <br /> /ML <br /> 40 <br />