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Boring Log <br /> Canonze PROJECT No 6i4-45 <br /> I BORING No w 7 <br /> LOGGED 8Y GMM <br /> I PROJECT NAME TIME OIL CO -SITE ASSESSMENT MANTECA,CA <br /> BORING LOCATION NORTHWEST OF FORMER PUMP ISLANDS SURFACE ELEV 27 34 FEET <br /> DRILLER JOEL STAPLETON. SPECTRUM EXPLORATION DATE STARTED 10-7-92 DATE FINISHED 10--7-92 <br /> BLOW <br /> SAMPLE <br /> V COUNT REC J WC Go w SOIL DESCRIPTION o <br /> l = U CL a Ld <br /> i! Uj <br /> w No TYPE INTERVAL 0" 6' 12` (in) U M -' W (tsf) AND REMARKS <br /> o FROM TO 6 12 18' rn <br /> ZD <br />. I o 0 33 ASPHALT <br /> 1 °° Loose, medium brown, SILTY FINE <br /> ( <br /> 000 SAND, slightly moist <br /> O <br /> 0 <br /> 1 SPT 40 55 3 3 3 16 Ono <br />' S SM ° <br /> U O <br /> O <br /> n u <br /> 0 <br /> 0 0 <br /> I o <br /> 0 0 <br /> O <br /> 2 SPT 90 105 3 3 4 16 ,, u <br /> D Loose, salt and pepper, FINE TO <br /> i0 000 MEDIUM SAND, trace of coarse sand <br /> o o slightly moist (note contact depth is <br /> SWO'. approximate) <br /> u <br /> O 0 <br /> O <br /> ° <br /> 3 CS 140 155 5 7 14 I$ oV <br /> 15 40 <br /> 14 5 Stiff, medium orange <br /> gray mottl ng SILTY CLAYbrown <br /> race <br /> and <br /> of fine sand, moist <br /> CL <br /> 4 C5 190 205 6 12 13 lu Ground water encountered at 18 5 ft <br /> 19 5 <br /> 20 °�,° Loose to medium dense, brown, SILTY _ <br /> 0 FINE SAND trace to some medium = <br /> 1 snna saturated <br /> Sm x, <br /> i� p d _ <br />' 5 C5 240 255 3 4 4 14 0°o Decrease in silt by 24 0 It <br /> 25 15 <br /> Soft brown silty clay seam trace of <br /> sand from 24 75 to 25 5 It —_ <br /> CL <br /> 6 CS 290 305 3 10 12 14 <br /> 19 75 <br /> I 30 ` 0 3U 5 Medium shft, gr dy, SILTY CLAY, trace <br /> rit tine sand moist <br /> Bottnm of Buring at 30 5 Feet <br /> 35- <br /> 40 <br /> Page 1 of 2 <br />