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1 <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER F90-02.01 BORING NO. MW-12 <br /> . PROJECT NAME A.Teichert& Son,Inc. PAGE 2 OF 5 <br /> BY D.Buchanan DATE 8112192 SURFACE ELEV. 20.57 ft. <br /> PENETRA- LITHO- WELL <br /> PID RECOVERY TION LU,U GRAPHIC <br /> PLU d DESCRIPTION DETAIL <br /> a.QLd COLUMN <br /> (ppm) (ft/ft) (blas/ft) <br /> 0 1.411.5 SANDY SILT TO SILTY SAND ML SM) <br /> (continued) <br /> ' 21 <br /> SILTY SAND(SM),brown 10YR,5/3); 15%low <br /> plasticity fines; 85%fine sand,90-95%quartz, <br /> 25 trace to 5%dark grains,trace feldspar, <br /> 0 1.0/1.5 manganese oxide staining common;caliche <br /> abundant locally;medium dense;damp; no <br /> ' 30 product odor. <br /> I <br /> iL 300 1.4/1.5 ' <br /> S7 ND(SP),brown (IOYR,4/3), trace fines,95% <br /> 28fine sand,subangular to subrounded,50%quartz, <br /> 40-45%dark rock fragments,5-10%feldspar; <br /> trace to 5% medium to coarse sand,subrounded, <br /> 50%quartz,50%rock fragments; trace fine <br />' gravel,rounded,dark rock fragments,quartz; <br /> medium dense;damp;no product odor. <br /> @ 35':Dark grayish brown(10YR,4/2); trace <br />' 0 1.511.5 35 . . fines; 25%fine sand; 75%medium sand;sand is <br /> subangular to subrounded,50%quartz,40%dark <br /> 44 rock fragments, 10%feldspar;caliche common; <br /> dense;damp,no product odor. <br /> @ 35.9-36': Abundant caliche in hardpan layer. <br /> SILTY SAND(SM),brown(10YR,5/3); 15% low <br />' plasticity fines;85%fine sand,subangular,90% <br /> quartz,5-10%dark grains,trace feldspar; <br /> manganese oxide staining common;dense; damp; <br /> 40 no product odor. <br /> REMARKS <br /> Soil boring was drilled using 8-inch diameter hollow-stem auger drilling equipment and sampled with a modified <br /> CaMomia split-spoon sampler equipped with stainless steel liners.See attached well details for well construction <br /> information. <br /> E N <br /> ASSOCIATES j <br />