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Boring Log <br /> Ipp() Iii T „l i) ).-{r 3 I-;'7 ! <br /> 9 0 R I P 4 G- 'No r�-2 <br /> Lt)r17C1+ 0 r f]IV)M <br /> PROJECT NAME T `1E OIL CO -SITE ASSESSMENT LOCKEFORD,CA t <br /> BORING LOCATION EAST AREA OF FORMER TANK SED SURFACE ELEV 102 FEET (APPROXIMATELY) <br /> DRILLER JOEL STAPLETON SPECTRUM DRILLING DATE STARTED 9-29-92 DATE FINISHED 9-29-92 <br /> SAMPLE SLOW Q') <br /> == REC -L2--=Wc-- =-rc_== SO 160ESCRIP_T10N a <br /> wNo TYPE INTERVAL 0 6 f12 (,n) �, (^/,) (tsi) J nLL, AND REMARKS <br /> 0 FROM TO I 6 12 18 <br /> • 25 ASPHALT <br /> 'P r Luose medsum brown FINE GRAVELLY <br /> SAND trace of slit silahty moist (fill <br /> 0% <br /> mdteria€) <br /> I � <br /> once Loose orange brown SILTY FINE <br /> 5 I SPT 5 0 i b 5 ' S G 5 IR u t, SAND trace of medium and coarse <br /> n I I s�nrl ,lightly moist Inote contact <br /> 1 O0 I depth 1s dpproximate) <br /> I 1 0 0 <br /> 10 2 SPT 0 0 115 10 15 17 f, °0 C1 Decrease in s11t dna color Change to <br /> I 1 ! -]ray with W ange Of own mottling by 10 0 <br /> 3 CS 115 130 16 50/6 i0 ll 5 I t <br /> Dens& gray with orange brown <br /> 4 CS 13 0 14 5 14 27 34 11-) mnttling FINE SANDY SILT trace to <br /> sume clay slightly moist hydrocarbon <br /> 15 5 CS 14 5 16 0 11 21 19 k; MSL odor <br /> — . Loose to medium dense salt and —_ <br /> Ik �� <br /> D — r— =pepper-with=nr-ange-t]rnwn=staining <br /> 6 C5 I 00 zl5 b 8 8 111 • + i I FINE SAND trace of medium sand <br /> l:ace of silt ,lightly most hydrocarbon <br /> I , <br /> I ' <br /> 25 7 CS 25 0 2b 5 10 21 ?4 16 • < i Il sand grain-size increases to medium <br /> • with same fine sand and decrease in <br /> silt to none by 25 0 it <br /> . < <br /> 30I l • <br /> t3 CS 30 0 31 5 b 9 24 1� <br /> I�'�' I � e01um tense gray with orange Urnwn <br /> IML I mlrttlrrlg scindy silt lense moist with <br /> hvrirnr�Arhon odor from 30 25 to 32 0 <br /> l < I I l It <br /> I r N i <br /> 35 9 CS 50 ! 3t, 5 I n 1 15 14 <br /> 1';P i <br /> r . <br /> • <br /> e <br /> 4010 CS 400 l 415 4 19 21 18 <br /> °age l 01 <br /> I <br />