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R o LOG OF BORING MW-8 <br /> Environmental (Page 1 of 2) <br /> Huntbrook Holdings LLC Date Started/Completed 10/8/2013 Drill Rig :CME-75 <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 :Morrow Surveying <br /> Installation of Monitoring Wells MW-4. MW-6, Sampling Method :2.25-in.x18-in.split spoon Northing/Easfing Coord:2170707.2/6346990.2 <br /> MW-7,MW-8,and Borings RDM-1 and CPT-1 1 Dnlling Company/Driller.All Well Abandonment/J.Cela Casing Elev. :27.75 <br /> Sample Interval Sampler Type <br /> _ Lab Sample SS Split Spoon <br /> Q Int.Sampled ST Shelby Tube f6 <br /> LL UP77 Lost PS Piston Sampler <br /> d Well:MW-8 <br /> c Surf. = AL Clear Acetate a m O <br /> £ Elev. to a U <br /> 0 26.17 ? DESCRIPTION ° E Lab No. m <br /> o ^ <br /> • 28 Native Topsoil WELL CONSTRUCTION <br /> CLAY:65%clay,30%silt,5%fine Date Compl. :10-8-13 <br /> grained sand;dark yellowish brown Hole Diameter :8.25 in. <br /> (10YR/4/4),low plasticity,hard, <br /> Drill.Method :HSA <br /> moist WELL CASING: <br /> Material :Sch.40 PVC <br /> Diameter :2-in. <br /> t <br /> 5,23 CL 0 MW-8-5' 0(5" Joints :flush-thread <br /> WELL SCREEN <br /> Material :Sch.40 PVC <br /> Diameter :24n. <br /> Joints :flush-thread <br /> Slot Spacing :0.010-in. <br /> SAND PACK :No.2/12 Sand <br /> 10 18 MW-8-10.5' 0(6" TRANSITION :Bentonite chips <br /> SILTY SAND:60°/°fine grained 0 <br /> sand,40%silt;dark brown ,moist ANULAR SEAL:Neat Cement <br /> CLAYEY SILT:00-1.711t,40%clay; <br /> yellowish brown(10YR/5/4),low COMPLETION :steel well box <br /> plasticity,hard, moist <br /> CLAYEY SILT WITH SAND:55%silt, <br /> 25%clay,20%fine grained sand; Notes: <br /> • <br /> 15-- 13 yellowish brown(10YR/5/6), low 0 MW-8-15.5' 0(5" <br /> plasticity, hard, moist San Joaquin Co EHD Permit <br /> #68139 <br /> Depth to GW 48.10 R.btc on <br /> 10/16/13 <br /> ML <br /> • <br /> 20--8 0 MW-8-20.5' 0(5" <br /> • <br /> 25--3 CLAYEY SILT:60%silt,30%clay 40 <br /> 10%fine grained sand; light olive 0 MW-8-25.5' 0(5" <br /> brown(2,5Y/4/4),low plasticity, <br /> hard,moist <br /> SILTY CLAY:50%clay,46n silt, <br /> 10%fine grained sand;olive brown <br /> • <br /> 30---2 (2.5Y/4/4); low plasticity, hard, 4 25 <br /> moist MW-8-30.5' 0(5" <br /> CL <br /> . 35 dark yellowish brown(10YR/4/4) 35 <br />