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o Start Edi Total 31.5. Logged By AKL Driller Geologic Drill Drilling Hollow-stem Auger/SPT , <br /> Drilled 4/26/2010 4/26/2010 Depth(ft) Checked By RCM Method <br /> Surface Elevation(ft) 88 Hammer Rope and Cathead Drilling Trailer-mounted Drill Rig <br /> Vertical Datum Data 140(lbs)130(in)Drop Equipment <br /> Latitude System N/A Groundwater Depth to <br /> Longitude Datum Date Measured Water(ft) Elevation(ft) <br /> Notes:Auger Data: 4 inches I.D. 4/26/2010 3 85 <br /> • o <br /> o FIELD DATA v <br /> I <br /> 5 MATERIAL <br /> o w d R , d�, •al w J a DESCRIPTION o .c REMARKS <br /> Td J V <br /> — > a C L O.n j m d <br /> a 991 w . = EN °' a 'y .3c 0 <br /> W O .2 v NH ?i C9 (.9 C.) 2� o n <br /> 0 . AC 5'V-inches asphalt <br /> ML - Brown silt with organic matter(soft,moist)(fill) - <br /> y 18 4 1 6-inch layer of dark brown organic silt 22 <br /> ML Brown/gray silt with trace organic matter <br /> � <br /> - ML (medium stiff,moist to wet) <br /> Gray/orange mottled silt(medium stiff,moist) Driller noted stiffer drillingat 4.5 feet <br /> - 51 18 25 2 i. ML 1 (transitional beds) — 31 <br /> Gray/brown silt with fine sand,laminated, <br /> mottled(very stiff,moist) <br /> • <br /> -gyp _1118 30 3 _ 19 <br /> - 10 14 32 4 <br /> SM Brown silty fine sand,occasional 1to 3-inch silt _ <br /> layers(dense,moist to wet)(outwash) <br /> -.t0 _1118 38 5 <br /> - 15 18 35 6 ! SP-SM - Brown/gray fme sand with silt(dense,wet) - 20 %F=12 <br /> '1' - _ <br /> K <br /> P- 201 18 27 7 _ _ <br /> "- sm Gray silty fine sand,occasional silt lenses <br /> al_ - • - (medium dense,moist to wet) _ <br /> 0 <br /> w• h <br /> I _ - <br /> W 25-118 60 8 ..i____ <br /> ML Gray silt with fine sand interbeds(hard,moist) <br /> w <br /> z <br /> w <br /> [? p <br /> 6 !• STST I Gray fine sand with silt(very dense,moist) <br /> g- 30 16 70 9 — — <br /> " <br /> E <br /> O <br /> 2. <br /> 0.I <br /> 2 <br /> 6 <br /> a <br /> Note:See Figure A-1 for explanation of symbols. <br /> gt • <br /> 9:° <br /> Log of Boring B-4 <br /> il Project: Proposed Liberty Hall <br /> Project Location: Everett Community College <br /> GEOENGtNEERS Figure A-5 <br /> 8 Project Number: 5836-010-00 Sheet 1 of 1 , <br />