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11/07/96 10 50 U510 842 8370 CHEVRON U 5 k l�7 �lZL�aJdl <br /> CLIENT STATION# LOCATION <br /> EA ENGINEERING Chevron USA Inc SS 9-1918 St E Harding Way <br /> SCIENCE AND StacKtan, California <br /> TECHNOLOGY INC <br /> LOG OF SOIL BORING MW5 <br /> 3 <br /> �}ir, Very fine grained sand to silt-subangular, fine grained <br /> r, w,Irl a quartz and dark fithics In othewise silty matrix, <br /> spotty Fe oxides <br /> 22— a�3P I,tdu S.CM <br /> 23 penetration has slowed considerably-olive grey <br /> clay with subrounded pebbles and sand grams of <br /> 24 quartz <br /> }� 25 Yellow brown silt-Micaceous with local white, blue <br /> green mottling, weak color, local Fe oxides <br /> ryxa 26 <br /> 27 <br /> br rF; <br /> + <br /> 1� <br /> 28 <br /> 1 <br /> K� � hal <br /> },��. 29 <br /> YI F <br /> *Iaitr. <{I PK 3t7 <br /> }i Pl�rc I`t t} <br /> IV L Olive green micaceous silt friable, dry, <br /> ` 3 1 <br /> vn`ios IS P��y'.k <br /> '1tj'Wil T��.!{ 1JL <br /> T�Srt <br /> q Ir cetyl iF 33 <br /> rr[� Iii SA <br /> i <br /> 34-- <br /> I <br /> µ Olive green clay, mottled, plastic <br /> 6 <br /> _° A¢;{r r�°O"(�''` {' Olive green fine grained to medium grained sand <br /> i Istia li" slr`� �" , <br /> V. wet wet but not saturated, rounded grams of quartz, <br /> chert t�), and dark Itthics (?), very clean and poorly <br /> consolidated <br /> 3! <br /> 7 rvIyL YV ylS IPIi <br /> :S[ rMt JfN Fr 115 itinN irviH <br /> I W.r i,ry �+'S4'i1�N3YI n.duppeyy. <br /> 114 <br /> PP,, 38-- <br /> y( <br /> 38wwrlfyrr <br /> 4�ii Pais QQ if rPlsrtp�'M �`q"YG' <br /> �1 {'� SV �{�kP j]RRMtirdrS <br /> 'H"a dFl i +"W7axx a>"I- <br /> e in r✓ I� n <br /> Ap 40 Il ila IAV4 itil' <br /> ? '•� � ;;r� Medium to fine grarned sand rounded grams of quartz <br /> ,s"rt mf <br /> and dark t,th,es, clean loosely consolidated sand, fully <br /> 41 1+' I <br /> iiNS SV1 f<L.d,I�W^I{Ib.N"A saturated <br /> 42 <br /> 1 4 <br /> h IP?,, ����vt ))pp Coarser sand at contact with clay <br /> L i w {ry Yk I W d,�4FS�iF <br /> 43t t3 13 16 Sharp contact between sand and clay•clay is tough, <br /> 44green with local mottling <br /> Page 2 of 2 <br />