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i <br /> I <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER F90-02.01 BORING NO. MW-I3 <br /> PROJECT NAME A. Teichert & Son,Inc. PAGE 4 OF 5 <br /> BY D.Buchanan DATE 8/13/92 SURFACE ELEV. 20.46 ft. <br /> P EN ET RA- (n <br /> PTD RECOVERY TION J 2� W LITHO- <br /> PID <br /> CL it GRAPHIC DESCRIPTION DETAIL <br /> �1? Z COLUMN <br /> {ppm) {ft/ft) (bless/ft) t _j <br /> 0 1.1/1.5 SAND(SP)(continued) <br /> 60': Yellowish brown(IOYR,5/6) with Iight <br /> 56 gray(5Y,6/1) mottling; trace fines; fine sand, <br /> subangular,85-90%quartz, 5%dark rock <br /> fragments,5-10%feldspar; very dense;damp; <br /> strong product odor. <br /> 0 1.5/1.5 65 @ 65': Moderate product odor. <br /> 34 <br /> 1F <br /> 0 1.2/1.4 70 @ 70': 5% low plasticity fines; 95% fine sand; <br /> moderate product odor. <br /> 83/0.9 <br /> @ 75': 5% fines;85%fine sand; 1090 medium <br /> 3.1 1.1/1.5 75 . : ; sand; caliche abundant locally; iron oxide staining <br /> and manganese oxide staining common; very <br /> 50 dense; damp to very moist; strong product odor. <br /> SII-TY SAND(SM),brown(10YR, 5/3); 35-40% <br /> low plasticity fines;60-65% fine sand; trace <br /> medium sand;sand is subangular to subrounded; <br /> 90%quartz,5%feldspar,5%dark grains; iron <br /> oxide staining and manganese oxide staining <br /> common; very dense;damp,strong product odor. <br /> 8a <br /> A.' <br /> REAS <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 />