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• <br /> iR iiD LOG OF BORING RDM-1 <br /> E nviron me nta I (Page 1 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 :Hallow 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 Drilling 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 m <br /> u- U Last PS Piston Sampler <br /> m Borehole: <br /> a Surf. = AL Clear Acetate ¢ U <br /> t Elev. L) a <br /> a U <br /> 0 8(est. DESCRIPTIONa m Lab No. m <br /> • <br /> 0-28 Concrete-7"thick BOREHOLE <br /> CH FAT CLAY:90%clay, 10%silt;dark <br /> reddish brown(5YR/5/4), high Hole Diameter :2.25-in. <br /> plasticity very stiff, moist Drill.Method :Hand Auger 8 <br /> P _�' ry RDM-1-2.5' :Geoprobe <br /> CLAY:65%clay;30%silt,5%fine "'" WELLCASING: <br /> grained sand;dark yellowish brown Material <br /> brown(1 OYR/4/6),low plasticity, Diameter <br /> hard, moist Joints <br /> 5 23 nm RDM-1-5' WELLSCREEN <br /> Material <br /> a Diameter <br /> F Joints <br /> 17 Slot Spacing <br /> Q SAND PACK <br /> CL <br /> • 9 TRANSITION <br /> i ANULAR SEAL:Neat Cement <br /> RDM-1-10' SURFACE <br /> 0 10 18 nm COMPLETION <br /> 0 <br /> 2 <br /> c <br /> • U <br /> 3 — — <br /> SILT: 85%slit; 10%clay. 5%fine <br /> grained sand;yellowish brown <br /> (10YR/516), nonplastic, hard,moist <br /> m° 15 13 nm RDM-1-15' <br /> ML <br /> • g 940 <br /> N <br /> m <br /> i <br /> RDM-1-18 <br /> — — — — — 00 ' <br /> , <br /> o CLAY:75%clay,20%silt, 5%fine <br /> a grained sand; light olive brown <br /> (2.5Y/5/4);low plasticity,hard, <br /> . T, 20-8 moist <br /> x <br /> Q <br /> a <br /> rc ,48 RDM-1-22' <br /> c <br /> CL <br /> x <br /> 'a <br /> m <br /> 25— <br /> P ,66 RDM-1-26' <br /> U <br /> e <br /> 0 <br /> • c %.. 28 <br />