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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER F90-02.01 BORING NO. MW-13 <br /> ' PROJECT NAME A.Teichert & Son,Inc. PAGE 5 OF 5 <br /> By D.Buchanan DATE 8/13/92 SURFACE ELEV. 20.46 ft. <br /> PENETRA- <br /> gn LITLITHO- <br /> PID RECOVERY TION UW WELLJ GRAPHIC' p- (L ASCRIPTION DETAIL <br /> PLU Lt � COLUMN <br /> ' (PPM) (ft/ft) (blas/€t) -jCc <br /> 0 0.9/1.0 8/24/92 SILTY SAND(SM)(continued) <br /> 65 = @ 80': Very dense;moist;strong product odor. <br /> ' CLAYEY SAND(SC),yellowish brown(10YR,5/5); <br /> 30%low plasticity fines;65-70%fine sand; trace <br /> to 5%medium sand;sand is subangular to <br /> ' _ subrounded,85%quartz, 10% feldspar, 5%dark <br /> LZ <br /> 0 1.3//.3 85 grains;caliche abundant;manganese oxide <br /> 8/13/92 staining common; very dense; wet;product odor <br /> 80/0.8 and sheen. <br /> .' • SAND SP),dark brown(lOYR 3 3 1 <br /> O% <br /> plasticity fines;90%fine sand,90%quartz,5% <br /> it dare grains,5%feldspar;dense; wet; moderate q <br />' 0 1.2/1.5 90 . . product odor. <br /> 42 <br /> BORING TERHIINATED AT 918 FEET. <br /> 1 <br /> 95 <br /> 00 <br /> REMARKS <br /> Soil boring was drilled using 8-inch diameter hollow-stem auger drilling equipment and sampled with a modified <br /> California split-spoon sampler equipped with stainless steel liners.See attached well details for well construction <br /> information. <br /> E N <br />' ASSOCIATES <br />