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MONITORING WELL LOG <br /> • PROJECT NAME Nelson Ready-Mix Site LOG OF WELL: MW-1 <br /> SITE ADDRESS 1040 Moffat Boulevard TOTAL DEPTH (ft) 25 <br /> Ripon, California WELL DIAM In 2 <br /> DATE STARTED 5/28/1998 DRILLER/COMPANY Dave Gonzales <br /> DATE COMPLETED 5/28/1998 Spectrum Exploration <br /> DRILLING METHOD Hollow-Stem Auger GEOLOGISTIENGINEER Joseph Ramage, R G #5856 `)k <br /> Split-Spoon Sampler Ramage Environmental <br /> J <br /> r. O c <br /> M o <br /> C; uj DESCRIPTION 2 L <br /> 2 E Jo = <br /> m se a (L m ) H <br /> a _ <br /> n <br /> a <br /> LU <br /> n cn a U) Z m <br /> WELL COMPLETION Expansion Cap, Dolphin Lock <br /> 8-inch diameter street box(flush mount) <br /> 0 Dark brown sandy loam loose,dry,no petroleum odor 0 <br /> 1 1 <br /> 2 2 <br /> 3 3 <br /> 4 SP SAND Pooriy-graded medium sand, 4 <br /> • 5 Z light brown moist,very loose, no petroleum odor 5 <br /> 3 12 <br /> 6 3 6 <br /> 7 7 <br /> 8 (grades some cementation more dense) 8 <br /> 9 9 <br /> 1025 15 (grades more graded some fine gravel) 10 <br /> 11 15 11 I <br /> 12 12 <br /> 13 13 <br /> 14 14 <br /> 15 a 18 MW1-15 SM SILTY SAND Fine to medium sand with some silt, 15 <br /> 16 1216 <br /> light brown, moist loose no petroleum odor <br /> 17 17 <br /> 18 7 Encountered saturated sod and groundwater at 19'bgs 18 <br /> 19 19 <br /> 24 s 22 20 <br /> 21 70 21 <br /> 22 22 <br /> 23 23 <br /> 24 ML SANDY SILT Mostly silt with some fine sand, 24 <br /> 2518 MW1-25 some angular fine gravel well cemented, light brown 25 <br /> • 26 1° medium dense,wet no petroleum odor 26 <br /> 27 27 <br /> 28 Terminated boring at 25 feet Installed monitoring well surged 28 <br /> 29 (Sch 40 pvc 0 020-in slot #3 Sand Bentornte pellets) 29 <br /> 30 30 <br /> Page 1 of 1 <br />