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02/24/2004 14:09 530676600 <br /> STRATUS NO CALIF • PAGE 14/17 <br /> SOIL BORING LOG Boring No. B-40 Sheet 5 of–4– <br /> Client <br /> Client Arco SWUM 6100 Date 217&2004 <br /> Address 25775 Patterson Pass Road Drilling Company Greco Drilling lig b2e: Mobile Drill 8-80 <br /> Tracy OA Drillar Chris <br /> Project No. U6100 Method MUd Rotary hole diam; S <br /> Logged By. Scott BI¢Ingor <br /> S R ploy,, Srun le,,:.a WeIL , Depth DSs r,ptiens of Meterals PID <br /> donstruC '+ LRHO, <br /> W6:`.,, toant �.Tma Reeova:i ""'9ralR CONu&iH endoondldons P,PId'6 <br /> L <br /> s , <br /> ez <br /> _-....._._------�---illi---illi-rill.__.._illi-__..�_ -. <br /> SM SIL7V SAND 81'-86.5',dark olive brown,75.85%fine grained aend, <br /> S 840.83 12:25 e a 15.25%tines,moist,dense203 <br /> as <br /> S 840.85 13:15– 234 <br /> 8 6 <br /> a 7 _ <br /> si@stone(cemented material)plugged core barrel at 86.5'. No recovery _ <br /> a e 86.5'to 88.5' <br /> B 9 <br /> e o SM SILTY SAND 89'•91',dark olio®hr0wn,75-85%lino grained sand_– <br /> ___-, _till______.....---^.....15-26%fines,moist,dense <br /> 5-- 840;91 _-- _13:35 _ e + illi 118 <br /> B 2 ML SANDY SILT 91'-92.5',Olive brown,50.60%will.40.50%finerira'Ined <br /> -� SM SILTY SANog2S 95'.olive brown,7b80°/One grained sand,20-430% <br /> e e rnas_damp;dense till _ - <br /> (note:most of core was runny&disturbed,therefore no sample collected) <br /> ___-. .._._—_ "___ 9 a ..rill_till—'__–•-_-_•_till_, -_---___-.,..___-,,...�_... <br /> _ Dolled from 95'to 96 with tri-cone <br /> bit due to nam conditions <br /> 8 6 <br /> ML SANDY SILT with SILTSTONE concretions,light oliva bravo,85%fines, <br /> S 840.97 14.25 ^–_ B 7 15%One rained sand,d hard 59 <br /> rr_- <br /> s e —.__r... - �..._..__ — <br /> _ _ a s peer recovery 98.5101',a 4'_secllen raeevered was SILT,Olive brown, <br /> ML dry,ham <br /> too <br /> commerce: <br />