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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER: 2074-001.011 BORING NO.: MW-1 <br /> PROJECT NAME: NESTLE PAGE: 4 of 5 <br /> BY: 0. Galasso DATE: 19115-16/94 SURFACE ELEVATION: It. <br /> Lo <br /> PENETRA-GROUND DEPTH w a i <br /> RECOVERY PID i 1DESCREPTION WELL <br /> ift/ft) (r)Pm) TION WATER IN <br /> lblws/ft) LEVELS FEET N 00 DETAIL <br /> zuJ <br /> 1.5 1.5 1.4 21 SILTY SAND (SM), continued. <br /> @60.0': olive brown (2.5Y, 4/3): 20-25% <br /> low-plasticity fines; 75-80% fine to medium sand <br /> Wm = 1:2); trace f ne gravel', manganese and <br /> iron-oxide staining: orange mottling: medium <br /> dense: damp; no product odor. <br /> @61.0': 30-35% low-plasticity fines: 65-70% fine <br /> to medium sand (f-.m = 2:1). <br /> 1.0/1.5 0.7 34 65 @65.0': yellowish brown (10YR, 5/4); 20-25`0 <br /> low-plasticity fines; 75-80% fine to medium sand <br /> (l = 2:1); very hard clumps of silt with <br /> manganese--ox de staining within', dense: damp: no <br /> product odor. <br /> @66.5': light olive brown (2.5Y, 5/3): white mineral <br /> weathering, <br /> SAND WITH SILT (SP-SM), yellowish brown <br /> (10YR, 5/4); 10% low-plasticity fines: 90% fine to <br /> coarse sand (f:ri - 2:3:0; dense: damp: no <br /> 70 product odor. <br /> 1.5/1.5 1.0 48 <br /> SILTY SAND (SM), yellowish brown (10YR, 5/4): <br /> 25*10' low-plasticity fines: 75% fine to coarse sand <br /> ff:m:c = 31:2:1): orange rnotthng: manganese and <br /> Iron-oxide staining; white mineral weathering: very <br /> dense; damp: no product odor. <br /> 1.5/1.5 1.0 36 75 @75.0': light olive brown (2.5Y, 5/3): 35% <br /> low-plasticity fines'. 65% fine to coarse sand —_ <br /> Wri = 2:3:1): manganese and Iron-oxide — <br /> staining: orange mottling; large areas (1/2-Inch) <br /> of white rrllneral weathering'. dense: wet: no — <br /> prodllc'. odor. — <br /> 80 <br /> REMARKS <br /> a irk*it Boring drilled with 10-inch-diameter hollow-stem auger equipment. Boring sampled every five feet with a modified <br /> California split-spoon sampler. Boring completed as a 4-inch-diameter PVC monitoring well. Well construction <br /> information is presented in well Details and shown graphically on this log. See explanation sheet for definition of <br /> symbols in Well Detail and Samples columns on this log. <br /> EMCON <br /> aSSOCiATES <br />