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CRC Environmental Risk Management,Inc. <br /> 17875 Von Karman Avenue,Suite 200 LOG OF BORING B5 <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: 13.50 feet <br /> DATE FINISHED: April 24, 1995 FINAL WATER LEVEL: 14.00 feet <br /> DRILLING METHOD: Geoprobe System TOTAL DEPTH: 15 feet <br /> DRILLING COMPANY: WESTEX,Inc. GEOLOGIST: R.A. Almero <br /> PID (ppm) 0 <br /> U) S C7 <br /> L(QD) CL � w n.0 GEOLOGIC DESCRIPTION REMARKS <br /> O J PROFILE J <br /> m Cc <br /> > ,o 100 C'3 <br /> 2-3 inches of asphalt paving Drilling started at 7:00 <br /> _ AM. Surface condition- <br /> asphalt-paved <br /> 135-2 21.0 CLAY (CL), grayish brown, inorganic No odor, no stain <br /> clay, slightly plastic, slightly moist <br /> 5 85-5 14.2 CLAY (CL), grayish brown, [inorganic No odor, no stain <br /> clay with low plasticity, little silt, slightly <br /> moist <br /> I <br /> I 10 85-10 15.0 SILTY CLAY (CL), brown, inorganic plastic No odor, no stain <br /> clay, silt in matrrix; wet at 12 feet <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 />