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' CHEVRON REAL ESTATE MANAGEMENT CO. BORING SB8 540 North Aurora/969 East Fremont Streets BORING LOCAT ON DATE STARTED DA E FiNI HED -13 fO W of SB6 6 November 1995 6 November 1995 RILLIHG AGENCY GROUND SURFACE ELEVATION AND DATUM Gregg In-Situ, Inc. BORING TOTAL DEPTH FINAL STATUS ' DRILLING METHOD Grouted CPT 56.0 ft. DRILLING ERUiPMENT DEATH TO FIRS COMPL. HR. CPT LiATER ft. ft. ft. LOGGED BY SAMPLING METHOD Jeffrey S. Pyle Hydraulic push RESPONSIBLE PROFESSIONAL REG. NO. SAMPLER TYPE William V. Pipes, R.G. 4226 1.25-inch I.D. split barrel ' at i ■ \ � SCRIPTION REMARKS St DEE :LVS7. D �U ■ N m 1 O ' d 66%fine • S[LTY SAND (SM):light yellowish brown (2.5Y 6/4),dry, - $and,-5595 low plasticity rises 2 SANDY LEAN CLAY (CL):dark grayish brown (10YR 4/2),moist, ' -75%fines, -25%fine sand,medium plasticity 8-1 0 SANDY SILT(ML)t oliva brown(2.iY 4/8),moistno petroleum hydrocarbon , -6095 fines, -4096 odor,no petroleum 6 fine sand,medium plasticity hydrocarbon discoloration 8 10 :brown 10YR 4/3 ,moist, -60%ring sand, -4095- no odor,no discoloration 8_2 0 SII.TY SAND (SM) ( ) medium plasticity fines,trace Fe o3dde staining 12 14 ' no odor, no discoloration 8-3 0.6 16 ' 18 20 0.6 no odor,no discoloration 8-4 22- 24 - - - - - - - - - - - - - - -- - 8-5 640 POORLY-GRADED SAND (SP): light olive brown (2.5Y S/3), moist, slight to moderate slight to moderate odor, 26 -95% fine sand, -5% fine gravel discoloration 28 30 - - slight to moderate odor, 8-6 164. SANDY LEAN CLAY (CL): olive brown (2.5Y 4/3), moist,_-65°,5 ' nes, -3s% fine sand,medium plasticity slight to moderate fines, discoloration 32 34 - - - slight to moderate odor, i 8-7 S33 CLAYEY 3AND (SC) olive brown (2.5Y 4/3), moist, -70°Xi fine sand, slight to moderate 36 -3096' medium plasticity fines discoloration Figure Project '40, C3077 GEOMATRIX CONSULTANTS, INC.