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MONITORING WELL LOG <br /> • PROJECT NAME Nelson Ready-Mix Site LOG OF BORING. SB-5 <br /> SITE ADDRESS 1040 Moffat Boulevard TOTAL DEPTH (ft) 20 <br /> Ripon, California BORING DIAM In 6 <br /> DATE STARTED 5/28/1998 DRILLER/COMPANY Dave Gonzales <br /> DATE COMPLETED 5/28/1998 Spectrum Exploration <br /> DRILLING METHOD Hollow-Stem Agger GEOLOGIST/ENGINEER Joseph Ramage, R G #5856 efk <br /> Split-Spoon Sampler Ramage Environmental <br /> J <br /> O <br /> CL w DESCRIPTION <br /> I w cn <br /> F- 2 Q a a to o7 <br /> a- a 3 a g U tl <br /> W E o ❑ Q fn <br /> O to m a in Z :D <br /> 0 Concrete(6-inches thick) cored prior to drilling 0 <br /> 1 Dark brown sandy loam loose,dry no petroleum odor 1 <br /> 2 2 <br /> 3 3 <br /> 4 $p SAND Poorly-graded medium sand, 4 <br /> • $ s 16 light brown dry-moist loose no petroleum odor 5 <br /> 6 s 6 <br /> 7 7 <br /> 8 8 <br /> 9 9 <br /> 10 5 16 SW GRAVELLY SAND Medium sand with rounded fine gravel 10 <br /> 11 20 light brown dry-moist medium dense no petroleum odor 11 <br /> 12 12 <br /> 13 13 <br /> 14 Encountered saturated sod and groundwater at 15 bgs 14 <br /> 15 7 87 S85-15 15 <br /> 16 7016 <br /> SP SAND Poorly-graded fine-medium sand <br /> 17 gray-brown,wet medium dense some petroleum odor 17 <br /> 1$ 18 <br /> 19 19 <br /> 20 10 368 S85-20 SM SILTY SAND Fine to medium sand with some silt 20 <br /> 21 '° gray-brown wet medium dense some petroleum odor 21 <br /> 22 22 <br /> 23 Terminated sod boring at 20 feet 23 <br /> 24 24 <br /> 25 Groundwater at 12 5 feet, Sampled by Hydropunch and bailer 25 <br /> • 26 Groundwater cloudy some effervescence no petroleum odor 26 <br /> 27 27 <br /> 28 Abandoned borehole with neat cement using tremae method 28 <br /> 29 29 <br /> 30 30 <br /> Page 1 of 1 <br />