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LOG OF EXPLORATORY BORING <br /> . PROJECT NUMBER F90-02.01 BORING NO. MW-12 <br /> PROJECT NAME A.Teichert& Son, Inc. PAGE 1 OF 5 <br /> BY D. Buchanan DATE 8/12/92 SURFACE ELEV. 20.57 ft. <br /> PENETRA- <br /> lY1 W LITHO- WELL <br /> PID RECOVERY TION J GRAPHIC <br /> GI milt a DESCRIPTION DETAIL <br /> a¢L 1 Lt� � COLUMN <br /> (Ppm) (ft/ft) {blas/ft) MJ Lr� <br /> ASPHALT <br /> FILL,GRAVELLY SAND(SP),very dark gray <br /> (10M 3/1); moderate product odor. J <br /> CLAY <br /> (CH),very dark grayish brown (2.5Y, 3/2); <br /> high plasticity fines; moderate product odor. <br /> 0 0.7/1.5 5 CLAYEY SAND(SC),brown (10YR,5/3); 30% <br /> medium plasticity fines; 700 fine sand,angular <br /> 26 to subangular,75%quartz,2090 feldspar,5%dark <br /> grains; trace medium sand,subrounded,quartz; <br /> medium dense;damp-,no product odor. <br /> 0 1.1/1.5 10 @ 10'; 259'0 low plasticity fines; 75%fine sand; <br /> manganese oxide staining common;medium <br /> 14 : ° dense;damp;no product odor. <br /> . . . . SAND(SP).yellowish brown(I OYR,5/6); trace <br /> Pines; fine sand,angular to subangular,85% <br /> 15 quartz, 10%feldspar,5%dark grains; rootholes <br /> 0 1.2/1.5 common;manganese oxide staining rare; medium <br /> : dense;damp; no product odor. <br /> 15 <br /> SANDY SILT TO SELTY SAND(ML-SK,brown <br /> (IOYR,5/4); 50-60% low plasticity fines;40-50% <br /> : fine sand,quartz,trace feldspar, trace mica,trace <br /> dark grains; manganese oxide staining common; <br /> 20 rare caliche;very stiff;damp; 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 /> California split-spoon sampler equipped with stainless steel linen.See attached well details for well construction <br /> EQANinformation. <br /> E N <br /> ASSOCIATES <br />