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i. 10 / 02 / 02 {TED 15 : 26 FAX 916 6709900 URS a002 <br /> M <br /> f LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805414. 02 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 BORING NO, B29f l l <br /> Y <br /> DATE 8/11/95 <br /> BY D. Foley <br /> PAGE 1 OF 3 <br /> l <br />:i <br /> SURFACE ELEV, — 15It <br /> RECOVERY PID PENETRA- <br /> TION N ,,5S��,, to LITHO- <br /> L iL GRAPHI <br /> WELL <br /> ( ft/ ft ) (ppm) ( htws/ ft ) c�-�� y COLUMN DESCRIPTION DETAIL <br /> Boring drilled inside existing vault box <br /> CLAY (CL), very dark gray (2 . 5Y, N3/0); 100% low <br /> plasticity fines; damp; no hydrocarbon odor <br /> SILT OIL), dark yellowish brown ( 10YR, 4/4) ; 90% <br /> 1 . 0/ 1 . 5 0.0 5 low plasticity fines; 10% fine-grained sand; <br /> iron-oxide staining over 20% of sample; <br /> 19 manganese-oxide staining over 5% of sample; <br /> very stiff; damp; no hydrocarbon odor <br /> CLAYEY SILT (W), brown ( IOYR, 5/3); 100% low <br /> Plasticity fines; iron-oxide staining over 30% of <br /> 1 . 2/ 1 ,5 0.0 10 sample; mangauese-oxide staining over 5% of <br /> sample; minor root cavities; very stiff; damp; no <br /> 31 hydrocarbon odor <br /> 1 . 5/ 1 . 5 0.0 15 @15$ ; as above; no hydrocarbon Y ocarbon actor <br /> 24 <br /> SILT (ML), brown GOYR, 5/3); 100% low plasticity <br /> fines; iron-oxide staining over 30% of sample; <br /> 20 hard; damp; no hydrocarbon odor <br /> REMARKS <br /> Boring drilled using split <br /> diameter comtimuaus-flight, hollow.atem auger drilling equipment and s <br /> madded Gliforaia split-spoon sampler. Boring converted to a Stem a diameter vapor equipment <br /> well. lee Well <br /> a <br /> Denuls sheet for well construction informe ion. <br /> E ON <br />