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M <br /> 0CRC Environmental Risk Management,Inc. <br /> 17875 Von Karman Avenue,Suite 200 LOG OF BORING B4 <br /> Irvine,California 92714 <br /> PROJECT: ASB Tracy Branch LOCATION: 150 West 10th , Tracy, Street, CA <br /> PROJECT NO.: 2100-217-2 SURFACE ELEVATION: 50 feet above MSL <br /> DATE STARTED: April 24, 1995 INITIAL WATER LEVEL: 12.70 feet <br /> DATE FINISHED: April24, 1995 FINAL WATER LEVEL: 13.70 feet <br /> DRILLING METHOD: Geoprobe System TOTAL DEPTH: 15 feet <br /> DRILLING COMPANY: WESTEX,Inc. GEOLOGIST: R.A. Almero <br /> ►– PID (ppm) v <br /> W U_ <br /> J • U) <br /> 0-0 3: w a-0 GEOLOGIC DESCRIPTION REMARKS <br /> Lo a) Q Z O � PROFILE <br /> M > ,o TO low0 <br /> 2-3 inches of asphalt paving Drilling started at 8.30 <br /> I — AM Surface condition- <br /> asphalt-paved <br /> 134-2 No sample was recovered <br /> 5 134-5 10.5 CLAY (CL), grayish brown, inorganic No odor, no stain <br /> clay with low plasticity; some coarse <br /> sands at upper portion of the clay, <br /> slightly moist <br /> 10 134-10 CLAY (CL), brown, inorganic plastic No odor, no stain <br /> clay; only a small amount (3 inches) of <br /> sample was recovered; wet <br /> 15— <br /> NOTE: <br /> Depth was extended to 15 feet <br /> for water sampling <br /> 20— <br /> 25— <br /> Page 1 of 1 <br />