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Date Start/Finish: 5/21/14-5/30/14 Latitude: 37.8088448 Well/Bc ID:PWO1-236 <br /> Drilling Company: Woodward Drilling Longitude: -121.276576 <br /> Driller's Name: Kris Nolan Client: Glenn Springs Holdings,Inc. <br /> Drilling Method: Mud rotary <br /> Sampling Method: Drill cuttings Borehole Depth: 243 ft bgs Location:Former OCC Facility <br /> Rig Type:B-57 Mobile Drill 16777 South Howland Road <br /> Auger Size: 6-5/8 inches Lathrop,California <br /> Casing Elevation: 27.16 ft amsl Descriptions By: K.Renlund <br /> Reviewed By: D.Hinkley <br /> c <br /> Boring <br /> LD o U Stratigraphic Description Construction <br /> _ H U <br /> Q <br /> W Lu U o <br /> O W D U' <br /> Steel standpipe <br /> Blind drill to 10 ft bgs with hollow stem auger <br /> 5 -5- <br /> -10 -10 <br /> Begin mud drilling <br /> 15 -15 SW <br /> • Sand,fine to coarse grained,poorly sorted,subrounded,5-10%fines <br /> 20 -20 SP <br /> • Sand,coarse grained,well sorted,subrounded,5-10%fines <br /> 25 -25 2"sch.80 PVC <br /> blank <br /> 30 -30- Neat cement <br /> grout <br /> 35 -35 ML <br /> Silt with sand,medium plasticity,10%sand <br /> 90 -40 <br /> 45 -45 <br /> No Recovery <br /> 50 -50 ML <br /> Silt with sand,low plasticity,30%sand,coarse <br /> 55 -55 <br /> 60 -60 <br /> 65 -65 <br /> No Recovery <br /> 70 -70 SM <br /> Silty sand,fine to very coarse grained,poody sorted,30%silt <br /> 75 -75 ML <br /> Sandy silt,low plasticity,25%sand <br /> Cobbles <br /> ao -80 SM <br /> Silty sand,medium to coarse,poorly sorted,low plasticity,30%silt <br /> 85 <br /> RemarkS: ft bgs=feet below ground surface <br /> PID=photoionization detector <br /> ARCADIS amsl=above mean sea level <br /> infrastructure Water Environment Buildings <br /> Project: RV009840.0012 Template: G:\Projects\logplot\Lathrop\Lathrop-Correct-boring-well geoprobe 2007 analytical USCS.ldfx Page:1 of 3 <br /> Data File:PW01-230.dat Date: 7/17/2015 Created/Edited by: D.Lay <br />