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Ws CRC Environmental Risk Management,Inc. <br /> 17875 Von Karman Avenue,Suite 200 LOG OF BORING B1 <br /> Irvine,California 92714 <br /> PROJECT: ASB STOCKTON AIR METRO LOCATION: 1888 Lockheed Court, Stockton, CA <br /> PROJECT NO.: 2100-247-5 SURFACE ELEVATION: 22 Feet Above MSL <br /> DATE STARTED: 1130-94 INITIAL WATER LEVEL: Not encountered <br /> DATE FINISHED: 11-30-94 FINAL WATER LEVEL: NA <br /> DRILLING METHOD: Geoprobe TOTAL DEPTH: 15 feet <br /> DRILLING COMPANY: Pacific OnSite Services GEOLOGIST: A. B. Esmilla <br /> J U- PID (ppm) v <br /> a 0 =c9 <br /> 2 z U)� w 13-0 GEOLOGIC DESCRIPTION REMARKS <br /> o m < O J PROFILE <J <br /> m > 1 10 100 1000 <br /> 5— 61-5 2.1 CLAY (CL), light yellow brown, dry, firm, No odor, no stain <br /> crumbly <br /> 10— B1-10 1.5 CLAY (CL),medium brown, dry to slightly No odor, no stain <br /> damp, firm to crumbly <br /> 15— B1-15 1.1 SILT (ML), medium brown, dry to slightly No odor, no stain <br /> damp, slightly sandy, crumbly <br /> — Drilling terminated at <br /> 15 feet <br /> 20— <br /> 25- <br /> 30 <br /> Page 1 of 1 <br />