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MONITORING WELL LOG <br /> SAMPLING <br /> BORING OMW-4 <br /> a., o DRILLING METHOD Hollow Stem Auger <br /> � o WATER LEVEL 69 FEET <br /> CD <br /> a DATE COMPLETED <br /> a <br /> t„ a <br /> SYMBOLS DESCRIPTION <br /> 35 SM 35 <br /> C 26 1.8 ' YELLOWISH-REIT SILTY SAND, tine to medium grained, <br /> ngular to subrounded grains, Occasional whitish staining, <br /> moderate dark minerals. <br /> 40- <br /> —ML YELLOWISH-RED SANDY SILT, ine grained sand, some black 0 <br /> C 26 1.8 ' mottling trace brown lined cava es. <br /> a <br /> ,l <br /> 45- <br /> -45 <br /> C 15 2.3 ' Color grawo to olive brown, de cease in sand and increase <br /> in clay with depth,abundant mica,mcrease in black mottling. a <br /> 0 0 <br /> r— U' <br /> v i <br /> LLI L <br /> U.J 9 <br /> LL ___________________________________________ � <br /> Z CL OLIVE-BROWN SILTY CLAY, sorpe black mottling and ironLi <br /> _ <br /> 50 oxide stamrng, occasional mica, ow plasticity. O <br /> C 38 2.3 <br /> tl w <br /> Lit <br /> O <br /> CD <br /> ----------- <br /> 55 ML Slight decrease in clay content, trace whitish stain. <br /> 5 <br /> C 44 2.3 <br /> Ln ! <br /> cap ' <br /> z <br /> s <br /> 60 , 0cil 3 <br /> C 43 2.3 As above. <br /> 9 I <br /> �I--———————————— ——--— 1 <br /> CL OLIVE-BROWN SILTY CLAY, occ sional black mottling,low = <br /> 65 <br /> plasticity, moist. 5 <br /> C 58 25 Cn <br /> — z � <br /> — o <br /> U-i j <br /> — � b <br /> W i <br /> — s <br /> l0 0 <br /> f <br /> AMERICAN FOREST PRODUCTS <br /> qW Dames IS Moore Stockton, California <br /> APRIL 1992 <br /> 15684-012-044 Page 2 of 3 <br />