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+ � r <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER: 2074-001.01 BORING NO.: MW-1 <br /> PROJECT NAME: NESTLE PAGE: 4 of 5 <br /> BY: 0. Galasso GATE: 11/15-18/94 SURFACE ELEVATION: ft. <br /> U <br /> N <br /> pENETRA- ROUNQ QEPTH a WELL <br /> RECOVERY PLD WATER IN <br /> ¢ DESCRIPTION <br /> (ft/ft) (PPM) (blwssjit) LEVELS FEET a s0 DETAIL <br /> Ln a <br /> 1.5/1.5 1.4 21 SILTY SAND (SM), continues. <br /> sive gown (2.5Y, 4/3); 20-25°.b <br /> low-plas,.city fines: 75-80°x' fine to medium sand <br /> (f:m = !:2): trace fine gravel; manganese and <br /> iron-oxice staining; orange mottling; medium <br /> dense: camp: no product odor. <br /> @61.0': 30-35°a low-ptasticlty fines. 65-70% fine <br /> to medium sand (f:m = 2:1). <br /> 1.0/1.5 0.7 34 fi5 @65.0': .:ellowish brown EQYR, 514): 20-25% <br /> low-p'as:�c,ty fines: 75-80% fine to medium sand <br /> if:m = 2:'i: very hard dumps of silt with <br /> manganese-oxide staining within; dense; damp: no <br /> proaUC- Scor. <br /> @66.5': ':cnt olive brown 1,2.5Y, 5/3); white minerat <br /> weatrering. <br /> SAND WITH SILT (SP-SM), yellowish brown <br /> (10 Y': 5/4); 109' low-plasticity fines: 90% fine to <br /> coarse Sand (f:m:c - 2:3:0; dense: damp; no <br /> 1.5/1.5 1.0 48 <br /> 70 produc, odor. <br /> SILTY SAND (SM), ye!lowish brown (10YR, 514); <br /> 25% fines: 75% fine to coarse sand <br /> wm:- = 3:2:1): orange mottling: manganese and <br /> iron-exsc:e staining: white minerai weathering; very <br /> dense: camp: no product odor_ <br /> 1.5/1.5 1.0 36 75 @15.0': light olive brown (2.5Y, 5/3); 35% — <br /> low-GlastlCity fines: 65% fine to Coarse sand _ <br /> (f:m:-- = 2:3:1); manganese and iron-oxide <br /> stalnsre: orange mottling: large areas (1/2-inch) <br /> of wn,,= mineral :4eathering: dense; wet; no —_ <br /> proc.,j odor. <br /> 80 <br /> REMARKS <br /> Boring drilled with t0-inch-diameter hollow-stem auger equipment. Boring sampled every five feet with a modified <br /> t� ■ ■ �! 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 Oetail and Samples columns an this log. <br /> EMCON <br />