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LOG OF EXPLORATORY BORING <br /> ' PROJECT NUMBER F90-02.01 BORING NO. B92-1 <br /> • PROJECT NAME A.Teichert&Son,Inc. PAGE 3 OF 3 <br /> 1 BY D.Buchanan DATE 8113192 SURFACE ELEV. 20.56 ft. <br /> PENETRA- Uj LITHO- WELL <br /> PZU RECOVERY TION <br /> 1pj-uwj <br /> tL a GRAPHIC DESCRIPTION DETAIL <br /> y¢LU � COLUMN <br /> (PPM) (ft/ft) (bless/ft) J to <br /> t0 1.3/1.5 SILTY SAND(SM),light olive brown(2.5Y,5/4); <br /> 20%low plasticity fines; 80% fine sand; trace <br /> 39 medium sand;sand is subangular,95%quartz,5% <br /> dark grains,trace feldspar; iron oxide and <br /> manganese oxide staining common;caliche rare; <br /> dense; damp;no product odor. <br /> ' CLAYEY SILT(ML),light olive brown(2.5Y, 5/4); <br /> 85%medium plasticity fines; 15%fine sand, <br /> subangular,quartz,5%dark grains,5%feldspar; <br /> 0 1.111.5 45 iron oxide and manganese oxide staining <br /> common;caliche rare,hard;damp;no product <br /> 51 odor. <br /> 50 <br />' 0 1.4/1.5 jabundant; <br /> D(SM),monied gray(SY,5/1)and <br /> 36 ,5/3); 15%low plasticity fines; 85% <br /> ;angular to subangular,95%quartz,5% <br />' trace dark grains;iron oxide staining <br /> rootholes common;dense;damp; no <br /> dor. <br /> BORING TERM HATED AT 51-5 FEET. <br />' 55 <br /> 60 <br /> REMARKS <br /> Soil boring was drilled using 6-inch diameter hollow-stem auger drilling equipment and sampled with a modified <br /> Cali.fomia split-spoon sampler equipped with stainless steel liners.Boring was backfilled to the surface with cement <br /> EEQkNbentonitegrout. <br /> E N <br /> ASSOCIATES <br />