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' CHEVRON REAL ESTATE MANAGEMENT CO. BARING SBG <br /> 540 North Aurora/969 East Fremont Streets <br /> BORING LOCATION DATE STARTED ATE FINISHED <br /> IL North portion of lot, near SBI 20 October 1995 20 October 1995 <br /> 7 DRILLING AGENCY GROUND SURFACE ELEVATION AND DATUM <br /> Spectrum Exploration, Inc. <br /> DRILLING METHOO BORING TOTALDEPTH FINAL STATUS <br /> CME 55 55.5 ft. Grouted <br /> DRILLING EQUIPMENT DEPTH TO FIRST 24 HR. <br /> Hollow stem auger MATER ft. ft. ft. <br /> ' SAMPLING METHOD LOGGED BY <br /> Drive Jeffrey S. Pyle <br /> SAMPLER TYPE RESPONSIBLE PROFESSIONAL REG. NO. <br /> 2-inch I.D. split barrel William V. Pipes, R.G. 4226 <br /> .. i • \ C <br /> ~�It Ix ' 3 a t o DESCRIPTION •.4 [L REMARKS <br /> 10%.. u �Z -Oi� O Ja In 4 M <br /> SANDY SILT (ML):very pale brown (IOYR 7/4),dry, -60%fines, <br /> -40%fine sand,low plasticity, firm <br /> 2 <br /> 6-1 4 0 SILTY SAND (SM):dark grayish brown(l�YR 4/2),moist, -7546 fine no petroleum hydrocarbon <br /> 4 3 sand, -25%low plasticity fines odor,no petroleum <br /> 3 hydrocarbon discoloration <br /> 8 <br /> ' 6-2 6 0 no odor, no discoloration <br /> 10 5 <br /> 12- <br /> 14—\6-3 <br /> 214 6-3 7 D becomes yellowish brown (IOYR 5/4) no odor, no discoloration <br /> ' 13 <br /> 13 <br /> 16 <br /> 1 18 - - - - - - - - - <br /> 6-4 6 119 POORLY-GRADED SAND (SP):yellowish brown(foYR 5/4),moist, moderate odor, none to <br /> 11 -100%tine sand slight discoloration <br /> 20 17 <br /> 22 <br /> ' 24 6-5 15 NR becomes grayish brown (10YR 5/2) strong odor, moderate <br /> 16 discoloration <br /> 20 j <br /> 26 <br /> 28 <br /> �,-;= <br /> 6-6 17 NR . : . _POORLY-(IF ADED SAND With GRAL VE (SP}7. ayish brown (10Y moderate odor, moderate <br /> 35 . ' 5/2),moist, -30% fine sand, -10% fine gravel,dense discoloration <br /> 30 23 <br /> 32 �:.• • . <br /> 34 6-7 8 NR 5ILTY SAND (SM): dark grayish brown (Z.SY 4/2),moist, -70x% fine moderate odor,moderate <br /> 3 sand, -30% low plasticity fines discoloration <br /> 11 <br /> 36 <br /> Project No. C3077 I GEOMATRIX CONSULTANTS, INC. Figure <br />