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Boring Log <br /> Caiwnie PROJECT No 9I-b34-45 <br /> 1 <br /> BORING No W-3 <br /> LOGGED BY GMM <br /> PROJECT NAME TIME OIL CO -SITE ASSESSMENT MANTECA,CA _ <br /> BORING LOCATION WEST OF FORMER NORTHERN PUMP ISLAND SURFACE ELEV 27 49 FEET <br /> DRILLER JOEL STAPLETON, SPECTRUM EXPLORATION DATE STARTED 10-5-92 DATE FINISHED 10-5-92 <br /> _ Ln <br /> SAMPLE BLOW v) v <br /> COUNT REC J = WC flu w 50iL DESCRIPTION a <br /> Lj Lo LU <br /> CL No TYPE INTERVAL 0' fi' 12" u, cccc � fj t AND REMARKS <br /> LU fin) En co (%) {tsfJ <br /> o FROM TO 6' <br /> 5 ASPHALT <br /> Loose, medium brown FINE SAND, <br /> • ■ trace of silt, slightly moist slight <br /> • hydrocarbon odor <br /> • <br /> 5 <br /> 1 SPT 50 65 3 3 3 12 SP • <br /> • <br /> • 11 <br /> ■ <br /> • <br /> ■ <br /> IO 2 CS 100 115 3 3 9 14 U0� tO Loose salt and pepper FINE TO <br /> ' ° MEDIUM SAND, trace of coarse sand, <br /> 3 C5 115 130 3 7 n 16 SW0°v slightly moist, slight hydrocarbon odor <br /> 4 CS 130 14 5 8 12 16 tR 0 v (note contact depth is approximate) <br /> °oa 3 5 <br /> 5 CS 145 160 8 10 18 IG 143 <br /> 15 Medium stiff gray with orange brown <br /> roots SILTY CLAY trace of fine sand, <br /> moist <br /> CL <br /> 6 CS 190 205 6 9 17 f8 <br /> 20 <br /> - <br /> �°° 1025 Medium dense medium drown SILTY <br /> FINE SAND, trace of medium sand <br /> SM000 sdturated <br /> - <br /> 0 a 0 0 <br /> 25 " - <br /> 7 GS 25 0 26 5 9 t6 9 t8 SP Increase in to medium from — <br /> o a 25 0 to 26 0 ft <br /> o <br /> O Cl <br /> O <br /> O O <br /> �M � <br /> 0 0 <br /> 30 8 C5 300 315 18 °nU 105 <br /> {-L 3031 5 Bottom 0f Borrnq at 30 5 Feet <br /> Medium Stiff dark gray, SILTY CLAY <br /> 5(ime fine Sand moist <br /> Bottom of Sample Hole at 315 Feet <br /> 35- <br /> 40- <br /> Page <br /> 540Page 1 01 2 <br />