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R o LOG OF BORING RDM-1 <br /> E n v i r-o n m a n to I (Page 2 of 2) <br /> Huntbrook Holdings LLC Date Started/Completed:10-8-13/11-5-13 Drill Rig :Geoprobe Model 54LT <br /> 3138 East Main Street Hole Diameter :8.25-in. Logged By :M.Berrington,PG#7124 <br /> Stockton,CA Drilling Method :Hollow stem auger Survey By :Not Surveyed <br /> Installation of Monitoring Wells MW-4, MW-6, Sampling Method :2.25-in.dia.MacroCore Northing/Easting Coord: <br /> MW-7, MW-8,Boring RDM-1 and CPT-1 Dulling Company/Driller.Environmental Control Assoc. Casing Elev. <br /> Sample Interval Sampler Type <br /> Lab Sample SS Split Spoon <br /> Q Int.Sampled ST Shelby Tube 2 <br /> 0 U F79 Lost PS Piston Sampler ? Borehole: <br /> C Surf. = AL Clear Acetate n 0 <br /> £ Elev. N a. a <br /> o a lest. DESCRIPTION a Lab No. m <br /> 28—0 <br /> CL BOREHOLE <br /> SILT/CLAYEY SILT:65%silt;30% Hole Diameter :2.25-in. <br /> clay,5%fine sand; light olive 78 RDM-1-30' Drill.Method :Hand Auger& <br /> brown(2.5Y/5/4);low plasticity, :Geoprobe <br /> hard, moist WELL CASING: <br /> Material <br /> ML Diameter <br /> Joints <br /> e 33 -5 increase to 15%fine to medium WELL SCREEN: <br /> Material <br /> ograined sand _ _ _ 9a RDMA-34' Doamse[er <br /> AY70% <br /> CL : clay,25%silt,5%fine Slot Spacing <br /> grained sand;light olive brown <br /> a (2.5Y/5/4), low plasticity, hard, SAND PACK <br /> g moist TRANSITION <br /> 9` <br /> ULAR SEAL:Neat Cement <br /> x' CL AN <br /> 0 SURFACE <br /> 38 10 00 RDM-1-38' COMPLETION <br /> `o <br /> 2 <br /> 2 CLAYEY GRAVEL/GRAVELLY <br /> 3 GC CLAY:50%clay,25%silt, 15%fine <br /> 16 to coarse,subrounded gravel to <br /> 1-inch diameter, 10%fineto medium10 RDM-1-42' <br /> grained sand;low plasticity, hard, <br /> 43 -15 moist _ _ _ _ _ _ _ <br /> o No sample recovery from 42 to 46 <br /> • o feel <br /> N <br /> m <br /> — — — — — 17 RDM-1-46' <br /> o SILTY SAND:60%fine grained <br /> a sand,40%silt;yellowish brown <br /> SM (10YR/5/4),nonplastic,hard,moist <br /> 48 -20 '84 RDM-1-48.5' <br /> m 46.5 <br /> Q <br /> a <br /> E <br /> rc <br /> c <br /> E <br /> E <br /> O <br /> m 53– <br /> P <br /> v <br /> a <br /> 0 <br /> N <br /> N <br /> Q <br /> N <br /> O <br />