Laserfiche WebLink
' CHEVRON PROPERTY AT 990 RrECHNUT AVE. <br /> Tracy, California Log of Boring No. SB-1 <br /> ' BORING LOCATION DATE STARTED DATE FINISHED <br /> 96 <br /> SW corner of parcel 16 August 19 16 August 1996 <br /> DRILLING CONTRACTOR GROUND SURFACE ELEVATION AND DATUM <br /> Precision Sampling Incorporated <br /> ' DRILLING METHOD BORING TOTAL DEPTH FINAL STATUS <br /> Direct push core 8.5 ft. I Grouted <br /> DRILLING EQUIPMENT DEPTH TO FIRST COMPL. 24 HR. <br /> MD-1 Sampling rig WATER ft. ft. ft. <br /> SAMPLING METHOD LOGGED BY <br /> Enviro-Core dual tube system Jeffrey S. Pyle <br /> SAMPLER TYPE RESPONSIBLE PROFESSIONAL REG. NO. <br /> ' 1 5/8-inch X 3-feet split barrel Dawn A. Zemo, C.E.G. 1747 <br /> 1:Z .a @ M� .. 1 a DESCRIPTION <br /> D d IL E 0 3 0 j 0. 4J 0 i REMARKS <br /> W� a q Z 4'_ O n. •a -i NAME (USCS Sgmbol): color, moisture, % bg W <br /> ' O.. N In m J 0 weight, plact., consistency,structure, <br /> cementation react. w/HCL eo. inter. <br /> SILT with SAND (ML):dark grayish brown (2.5Y 4/2),dry, -80% occasional dark gray <br /> fines, -20% fine sand, low to medium plasticity, soft inclusions from surface to 2 <br /> feet <br /> 1 1 0 <br /> LEAN CLAY with SAND (CL):grayish brown (2.5Y 5/2), moist, <br /> -80%fines, -20% fine sand, medium plasticity,firm, white veins, no <br /> 2 HCl reaction with white veins <br /> 1-2 0 occasional brick fragments <br /> ' in 2-foot sample <br /> 4 <br /> ' 1-3 0 <br /> 6 <br /> ' LEAN CLAY (CL): grayish brown (2.5Y 4/2), moist, -90% fines, <br /> -10% fine sand, medium plasticity, stiff <br /> ' 8 I 1-4 0 <br /> BOH at 8.5 feet <br /> Project No. C3769 T GEOMATRIX CONSULTANTS, INC. Figure A-3 <br />