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1 <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 2074-00101 BORING NO MW-1 <br /> PROJECT NAME NESTLE PAGE 4 of 5 <br /> BY D. Galasso DATE 11/15-18/94 SURFACE ELEVATION ft. <br /> 1 RECOVERY PID PENETRA-GROUND DEPTH J a Z <br /> TION WATER IN a "'=' DESCRIPTION WELL <br /> (tt/It) (ppm] Ibrws/ft) LEVELS FEET N i0 DETAIL <br /> 1 J <br /> 15 1 14 21 SILTY SAND SM continued <br /> @60 0 ci we brown (2 5Y 4/3) 20-25% <br /> ' low-plasticity fines 75-80% fine to medium sand <br /> (f m = 1 2) trace fine 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 07 34 $5 @65 0 yellowish brown (IOYR, 5/4) 20-25% <br /> low-plasticity fines 75-80% fine to medium sand <br /> (f m = 2 1) very hard clumps of silt with <br /> ' manganese-oxide staining within dense damp no <br /> product odor <br /> @66 5 1�ght olive brown (2 5Y, 5/3) white mineral <br /> weathering <br /> SAND WITH SILT (SP-SM), yellowish brown <br /> 00YR 5/4) 10% low-plasticity fines 90% fine to <br /> coarse sand (f m c = 2 3 1) dense damp no <br />' 70 product odor <br /> 15/15 1 0 48 <br /> SILTY SAND (SM) yellowish brown 00YR, 5/4) <br />' 25% low-plasticity fines 75% fine to coarse sand <br /> (f m c = 3 2 1) orange mottling manganese and <br /> iron-oxide staining white mineral weathering, very <br /> dense damp no product odor <br /> 1 5/1 5 10 30 75 @75 0 light olive brown (2 SY 5/3) 35% <br /> low-plasticity fines 55% fine to coarse sand _ <br /> 0 m c = 2 3 1) manganese and iron-oxide — <br /> staining orange mottl{ng large areas (1/2-inch) - <br />' of white mineral weathering, dense wet no <br /> praduct odor <br /> 80- <br /> REMARKS <br /> 0 REMARKS <br /> 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 /> 00 symbols in Well Detail and Samples columns on this log <br /> EMCON <br /> ASSOCIATES <br />