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0CRC Environmental Risk Management,Inc. <br /> 17875 Von Karman Avenue,Suite 200 LOG OF BORING B6 <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: 11-30-94 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 /> LU rL PID (ppm) U <br /> = dO 0) =CJ <br /> a� g3 T:J�C- ' <br /> a0 GEOLOGIC DESCRIPTION REMARKS <br /> W�' Q Z O ROFILE <-' <br /> 0— (n J mto 100 1000 0 <br /> CONCRETE. 4 inches thick <br /> 5 — 136-5 1.7 SILT (ML), medium brown, dry, slightly sandy, No odor, no stain <br /> crumbly <br /> 10— 136-10 1.2 CLAY (CL), medium brown, dry, with thin No odor, no stain <br /> streaks of white calcium carbonate, crumbly <br /> Hard drilling at 13 <br /> feet <br /> 15— 66-15 1.1 SAND (SP),medium brown brown, damp, No odor, no stain <br /> medium grained, soft, very friable, poorly <br /> graded Drilling terminated at <br /> 15 feet <br /> 20— <br /> 25— <br /> Page 1 of 1 <br />