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Earth Systems Pacific@LOGGED BY: XM <br />DRILL RIG: Mobile B-53 <br />AUGER TYPE: 8-inch Hollow Stem <br />Boring No.4 <br />PAGE 1 OF 2 <br />JOB NO.: SH-13131-SA <br />DATE: 813012016 <br />SAMPLE DATAMAIN STREET APARTMENTS <br />353 MAIN STREET <br />REDWOOD CITY, CALIFORN IA <br />U) <br />U) <br />5o <br />U) <br />C) <br />U)f <br />Joo <br />U) <br />S@!L DtrSGRIPTI@N <br />J <br />>ô <br />frË <br />z <br />lUdJ IIJfLo <br /><=U'Z <br />IU <br />dH <br />< r-- <br />U) <br />F <br />U)ZC <br />"të <br />É.o <br />s <br />TU <br />É.f,t- <br />U) <br />o <br />= <br />ØZ <br />>(o <br />Q, r.ıH <br />ztüùF-ql,! ø <br />(.)oo- <br />Surface: AC/AB <br />af Dark gray-brown lean/fat CLAY with SAND and GRAVEL; <br />stiff; very moist [FILL] <br />-roots present, trace 2-3" angular gravels <br />CH Fat CLAY; soft; bluish gray; very moist; [BAY MUD] <br />(GW-13', measured after drilling) I <br />cL/ <br />CH <br />LeanÆat CLAY; stiff; gray and brown; very moist [MARSH <br />DEPOSITS?] <br />(GW-18',encountered) ! <br />-medium stiff to stiff <br />T^ <br />hoü.Eo- <br />-0- <br />19 <br />2 <br />3 <br />I <br />ô <br />7 <br />8 <br />23 <br />24 <br />25 <br />26 <br />20 <br />21 <br />22 <br />I <br />lo <br />11 <br />l2 <br />13 <br />'t5 <br />t6 <br />l7 <br />18 <br />SP Poorly graded SAND with GRAVEL; medium dense; dark <br />gray; medium to coarse sand; wet <br />[Passing No. 200 - 4%] <br />7.0-2.5 <br />3.5-s.0 <br />8.5-10.0 <br />13.5-15.0 <br />18.5-20.0 <br />23.5-25.0 <br />4-r <br />4-2 <br />4-3 <br />4-4 <br />4-5 <br />4-6 <br />I <br />I <br />I <br />r <br />E <br />o <br />1,08.9 <br />101.1 <br />50.4 <br />94.0 <br />13.0 <br />16.8 <br />86.2 <br />28.7 <br />2 <br />z <br />2 <br />5 <br />8 <br />9 <br />5 <br />10 <br />15 <br />9 <br />72 <br />T4 <br />7 <br />8 <br />10 <br />1.25 <br />1.5 <br />LEGEND: - 2.5" Mod Cal Sample O Bulk Sample rf Shetby Tube O Spf Groundwater <br />NOTE: - Ihis log of subsurfocÊ- conditions is o .simpl¡ficotion of octuol cond¡t¡ons encountercd. lt opplics ot the locotíon ond time of drilling.Subsurfoce cond¡tions moy diffcr of othcr locot¡ons qnd t¡mcs, <br />7.B. - Page 92