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SOIL BORING LOG Boring No. MW-5 Sheet 4 of 4 <br /> Client Arca Station 2188 Date 8114101 <br /> Address 3212 North California Street Drilling Company_Woodward Drilling Company rig type:BK-81____ <br /> Stockton,CA Driller, frank Ramirez <br /> Project No. DOOt6-330 Method Hollow Stem Auger hole diam.:8" <br /> Logged By: Scott 5ittin er <br /> 'Sample Blow Spm lewell Ueplh 'Descrlptions of Materials PID <br /> Genstruc, t1THO' . - _ <br /> Type No. Count Time Recov. t. Scale COLUMN' snd Condltlons PRM <br /> 25 _ <br /> S MW5-61 5O 7758 70 6 1 ML SANDY SILT,brown,15-20%fine grained sand,moist-wet,hard 1 <br /> 6 3 <br /> 6 4 <br /> 6 5 <br /> S MWS-66 9 8.05 40 6 6 SW SAND,fine tocoarse gained,medium graded,1%fines v wet,---_--- 1 <br /> 12 _ loose <br /> 6 7 <br /> 6 8 <br /> $ 8 <br /> 7 Q <br /> -_ 8:20 30 7 i SW SAND,fine to coarsegrained_medium graded,1%fines,very wet, <br /> loose---- --- ---- �_ _–_--__--_ —__ <br /> 7 2 <br /> 7 3 <br /> 7 4 <br /> 7 5 <br /> 8:35 25 7 6 SW _SAgrained,�5%'coarse gained sand,3-5%fines. <br /> _ND,fine to medium _ µ-- 4.1 <br /> --- - --- ------- ------- --- '_'.' very wet,loose .._ <br /> 7 7 <br /> 7 8 <br /> 7 9 <br /> _ CLAY,{fight brown with white caliche and black manganese,damp, <br /> 5 MW5-81 9:D0 60 8 o CL very hard <br /> Comments:Total depth of boring is 81 feet bgs. <br /> Well surged for 10 minutes prior to installing sanitary seal. <br />