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LOG OF EXPLORATORY BORING <br /> PROJECT NUM3ER F90-02.01 BORING NO. MW-12 <br /> PROJECT NAME A.Teichert&Son,Inc. PAGE 4 OF 5 <br /> BY D. Buchanan DATE 8112192 SURFACE ELEV. 20.57 ft. <br /> PENETRA- <br /> lgrj) <br /> � LITHO- WELL <br /> PID RECOVERY TIONtl dGRAPHIC DESCRIPTION DETAIL <br /> d <br /> WQW Lt4 E COLUMN <br /> (PPM) (f[/frj (blws/f[) <br /> 0 1.1/1.5 SAND(SP)(continued) <br /> 51 <br /> @ 61.5': Dark grayish brown(2.5Y,4/2). <br /> 0 1.4/1.5 65 @ 65': Fine sand,angular to subangular,90% <br /> quartz, 5-10%dark grains,trace mica;rootholes <br /> 35 ; ; ; common; dense; damp;no product odor. <br /> • CLAYEY SAND(SQ,brown(lOYR, 5l3) to <br /> yellowish brown(10YR, 5/4); 20% low plasticity <br /> :sz� �: fines;80% fine sand,angular to subangular,95% <br /> quartz,trace dark grains,trace feldspar; mottled <br /> 0.1 1.1/1.5 70 with abundant iron oxide staining; occasional <br /> caliche; very dense;damp;no product odor. <br /> 56 <br /> 0 1.0/1.5 75 @ 75': Caliche common; very dense. damp; no <br /> product odor. <br /> 78 <br /> 80 <br /> REMARKSi <br /> Soil boring was drilled using B-inch diatpaer hollow-stem auger drilling equipment and sampled with a modified <br /> California split-spoon sampler equipped with stainless steel liners.See aaachrd well derails for well construction <br /> information. <br /> E N <br /> ASSOCIATES <br />