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Boring Logd"'twn I <br /> Win E T <br /> .....sU.,onze <br /> E c)R,1i r I, I <br /> ':R—a <br /> rr,EE ^ � GMM <br /> PROJECT IVAi`tE T 'tE OIL CO -SITE ASSESSMENT LOCKEFORO,CA 3 _ <br /> BORING LOCATIO ,l SOUTHWEST OF FORMER TANK BED SURFACE ELEV 102 FEET (APPROXIMATELY_) <br /> DRILLER JOEL STAPLETON SPECTRUM DRILLING DATE STARTED (I-28-92 DATE FINISHED 9-28-92 ' <br /> I N <br /> SAMPLE I BLOW I n_`_'—_ <br /> RC-C= __ (=WC==t7„_�=cam== SOIL---DCSCRIPTION <br /> -- TI�CrJUIV I T V �„U <br /> LL No TYPEIN i Q 6 12 U J w <br /> w I llttl t_)Ln U (%1 (ts[1 J o AND REMARKS � <br /> LD FROM TO 1 6 12 18 E I <br /> I • �5 :,SPHALT <br /> SP . Loose medium brown FINE GRAVELLY 1 <br /> SANS] trace of silt sllghty moist (felt <br /> o material) <br /> 1 � n <br /> o I Loose to very loose orange brown <br /> ` <br /> t SPT <br /> ':ILTY FINE SAND trace of medium and <br /> }g� ;� n5 i 5 3 i ° ` I <br /> I i <br /> Q I I Juise Sand slightly moist (note <br /> .rntaet depth Is approximate) <br /> ij2 SPT I In 0 1 115 ; 5 1n <br /> II <br /> 3 CS 115 Ii p I 2b SQ/b 4 I "5 <br /> � ML E7etlse ql ay with trace of orange <br /> L <br /> !8 i3 hrl)wn mr)ttlino ;ANDY SILT slightly <br /> 4 C5 10 14 5 Ia 8 8 t i rtnrst <br /> 5 C5 ,a 5 160 1K I 7 7 14 • . I Medium dense suit and pepper with <br /> 15 I I , tr ace of orange crown staining, FINE <br /> SP SAND -tr ace_af_medlum-sand.slightly <br /> I • I ' <br /> 13 L; I 1100 I ,is 1 15 IR I-1 +?r]Iram 7Nn;e ,71 ay itne sandy silt <br /> t:nm Irl {} ill 'I ,'S ft <br /> I , <br /> 25 7 C5 250 26 5 a 18 2r1 Ift • i <br /> I L I I+edlum dense gi,3y fine sandy silt <br /> I <br /> :Nn-ie trnm 15 5 to 26 0 It <br /> _j P <br /> '0 8 `� 30 0 31 5 1 1 I T i '400LUM den,e car dy tine sandy silt <br /> nm 10 0 1.11 ;1 5 f1 <br /> C <br /> I E � <br /> i <br /> ! i <br /> 1 1 I I i � • + R ! I 1 <br /> � f <br /> I I <br /> 0 CS I 35 0 I lb 5 ; '0 23 1 �8 I`t <br /> l I `I <br /> _l r} IQ C5 a00 415 13 24 31 11 40 <br /> I <br /> °dr]e I at <br /> I <br />