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CRC Environmental Risk Management,Inc. <br /> 17875 Von Karman Avenue,Suite 200 LOG OF BORING B7 <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: 1194 INITIAL WATER LEVEL: Not encountered <br /> DATE FINISHED: 1130-94 FINAL WATER LEVEL: NA <br /> DRILLING METHOD: Geoprobe TOTAL DEPTH: 15 feet <br /> DRILLING COMPANY: Pacific OnSite Services GEOLOGIST: A. B. Esmilla <br /> w r_i PID (ppm) U <br /> �0 <br /> �' Q Z OT:_�'t ' <br /> ROFILE Q OJ GEOLOGIC DESCRIPTION REMARKS <br /> o" U) m 1000 <br /> Cl <br /> ,0 ,m <br /> CONCRETE. 4 inches thick <br /> 5— 87-5 1.1 SILT (ML), medium brown, dry to damp, No odor, no stain <br /> crumbly <br /> 10—137-10 0.5 SILT (ML), medium brown, very damp, No odor, no stain <br /> slightly sandy, medium firm <br /> 15— 137-15 0.9 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 /> L3D— <br /> Page 1 of 1 <br />