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Boring Log <br /> CanoftiePROJECT <br /> No. <br /> E{]RING No.LUG(-,ED BY GMM <br /> PROJECT NAME: TIME OIL CO.-SITE ASSESSMENT: LOCKEFORD CA <br /> BORING LOCATION: SOUTHEAST OF FORMER TANK BED SURFACE ELEV: 102 FEET (APPROXIMATELY) <br /> pRILLER: _JOEL STAPLETON: SPECTRUM DRILLING DATE STARTED: 9--29-92 DATE FINISHED: 9-29-92 <br /> Ln <br /> SAMPLE BLOW a U <br /> = COUNT REC ; T- WO pu w SOIL DESCRIPTION o <br /> r7 Y 4 N <br /> C- No. TYPE INTERVAL 0" 6' 12" U) � J � Uj <br /> I� fin) U LL M ftsfl a AND REMARKS CL <br /> FROM TO 6' i2" 8' <br /> • .25 ASPHALT. <br /> SP r 1 2 Loose, medium brown, FINE GRAVELLY <br /> SAND, trace of silt, Blighty moist (fill <br /> n <br /> material). <br /> 0 <br /> o ° Loose to very loose, orange brown, <br /> °�, ILTY FINE SAND, trace of medium and <br /> I SPT 5.0 6.5 4 5 4 18 ° 'coarse sand, slightly moist (note: <br /> °o0 I ccintact depth ;s approximate). <br /> i s Mn n <br /> 6 O <br /> C <br /> i0 2 SPT 10.0 11.5 6 6 6 18 Vc. C,° Decrease ;n .50t to trace and color <br /> ct;arge t;; salt and pepper with orange <br /> 3 CS i1.5 13.0 8 27 50/5 12; 11.5 brown staining by 10,10 ft. <br /> ML 13 Dense, ;:;ranee brown and gray <br /> 4 C� 13.0 14.5 i0 13 3.3 la mrittled, FINE SANDY SILT, trace of <br /> r_lay, slightly moist. <br /> 15 $ c: 14.5 16.0 12 20 29 I4 <br /> r <br /> . ' Occasional rools (orange brown <br /> SP • color) .and increase in clay by 12.0 ft. <br /> r ' Medium dense, gray with orange brown <br /> mottling, FINE SAND, trace of silt, <br /> • slightly moist. <br /> 6 LS 20.0 2i:5 8 12 i0 14 20 <br /> increase in clay to trace between <br /> . 1 • 11;,01 anrS �r1.O ft. <br /> • <br /> r•1en,um riense, >alt and pepper with <br /> i of tinge brr;wn staining), MEDIUM SAND, <br /> • I with trace of fine sand, slightly moist. <br /> irk • • <br /> �5 7 CS 25.0 26.5 7 9 n 1C, SP . I _land i7rarn-size becomes coarser by <br /> • '15.0 ft. <br /> 1d . 13 and grain-size decreases by 30.0 <br /> { 't. <br /> I <br /> • <br /> 30 a cs 36.0 31.5 10 30 .36 12 e <br /> 1 � ML Dense, gray, =randy silt tense, moist, <br /> 6� hydrocarbon i)Ocr, from .30.25 to 30.75 <br /> • <br /> r <br /> 35 9 C5 35.0 36.5 10 1112 18 <br /> SP • T1 <br /> • <br /> 1 � <br /> t <br /> T <br /> 40 l0 CS 40.0 41.5 i5 . -19 21 14 40 <br /> Page I of 2 <br />