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PORT OF STOCKTON BORING NO. B5-2 <br /> Stockton, California - <br /> BORING LOCATION DATE STARTED DATE FINISHED <br /> Site 5350—ft. N., 200—ft. E. int. of Roads 21 N 8/5/98 8/5/98 <br /> DRILLING AGENCY NORTHING EASTING ELEVATION <br /> Fisch Environmental Exploration Services I Grade <br /> DRILLING METHOD BORING TOTAL DEPTH FINAL STATUS <br /> GeoProbe 28 ft. Grouted <br /> DRILLING EQUIPMENT DEPTH TO ;FIRST i COMPL. i 24 HRS. <br /> GH-40 WATER ; NA NA NA <br /> SAMPLING METHOD t LOGGED BY <br /> Core k Calvin P. Erdman <br /> SAMPLER TYPE RESPONSIBLE PROFESSIONAL, REG.NO. <br /> Large—bore F Calvin P. Erdman, R.G. 6732 <br /> �= > o DESCRIPTION °';a REMARKS <br /> � a> 0 E� 6T O <br /> W N ti1Z �W 4. Y .. .. Q <br /> 0— U � J U - Ffor further detafls i <br /> Drive to 15-ft, to collect first targeted core sample,no cuttings <br /> 1 <br /> 4 <br /> I <br /> r <br /> 6 � <br /> 8 <br /> Water level measured @ <br /> 8.7-ft. bgs <br /> t <br /> t0 s <br /> r <br /> a # <br /> k <br /> t2 <br /> s <br /> ` 14 <br /> a <br /> CLAY (CL):grayish brown (10YR 5/2),mostly clay,tr.-few silt& v. f. PID-0 ppm,soil core sample <br /> gr. sand,molst, high piast.,v. stiff,no product odor (headspace baggle)and <br /> t6 headspace boring <br /> IS-008 Soil'sample S-008 from t8.0 <br /> to 18.5-ft. bgs <br /> a <br /> 18 Contact based on driller's <br /> SAND (SP):based on drill penetration rate notation of increased drive `fI <br /> pressure <br /> Prolect No. Figure No. <br /> 98117 <br />