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s <br /> R n LOG OF BORING MW-6 <br /> Environmental (Page 1 of 2) <br /> Huntbrook Holdings LLC Date Started/Completed 10/9/2013 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.xl8-in.split spoon Northing/Easting Coord:2170914.7/6346928.4 <br /> MW-7,MW-8,and Borings RDM-1 and CPT-1 Drilling CompanylDriller.All Well Abandonment/J.Cela Casing Elev. :27.41 <br /> Sample Interval Sampler Type <br /> _ Lab Sample SS Split Spoon <br /> s Int.Sampled ST Shelby Tube m <br /> U Lost PS Piston Sampler Well:MW-6C <br /> C Surf. = AL Clear Acetate a d 0 <br /> £ Elev. N d �- <br /> 0 27.64 co DESCRIPTION a 0 Lab No. m <br /> r—� <br /> s U 27INativerropsoil Surface WELL CONSTRUCTION <br /> :75%clay,20%silt,5%fine DateCompl. :10-9-13 <br /> d sand;dark brown Hole Diameter :8.25 in. <br /> R/3/4),very stiff to hard,lowDrill.Method :HSA <br /> ity,moist WELL CASING: <br /> Material :Sch.40 PVC <br /> Diameter :2-in. <br /> 5 20 <br /> 5' Joints :flush-thread <br /> 22 0 MW-6- 0(5° WELL SCREEN: <br /> Material :Sch.40 PVC <br /> Diameter :2-in. <br /> SILTY SAND:60%fine grained Joints :flush-thread <br /> sand,40%silt;strong brown Slot spacing :0.010-in. <br /> SM (7.5YR/5/6),very dense, moist <br /> SAND PACK :No.2/12 Sand <br /> • 10 0 MW-6-10.5' 0(6" TRANSITION :Bentonite chips <br /> 17 CLAY:60%clay,30%silt, 10%fine <br /> grained sand; light olive brown ANULAR SEAL:Neat Cement <br /> (2.5Y/5/4);low plasticity,hard, SURFACE :8-in.dia. <br /> moderately to well indurated, moist COMPLETION :steel well box <br /> Notes: <br /> • 15 CLMW-6-15.5' 0(5" <br /> 12 0 San Joaquin Co EHD Permit <br /> dark yellowish brown(10YR/4/4) #68150 <br /> with abundant white calcium <br /> carbonate"veining" Depth to GW 47.83 ft.btc on <br /> 10/16/13 <br /> . 20 0 MW-6-20.5' 0(6" <br /> 7 SILT:80%silt. 10%clay, 10%fine <br /> grained sand;dark yellowish brown <br /> ML (10YR/4/6),nonplastic,hard,moist <br /> SILTY CLAY:55%clay,40%silt, <br /> 5%fine grained sand;dark <br /> 25 CL yellowish brown(10YR/3/6),low0 MW-6-25.5' 20 <br /> 2 plasticity,hard,moist 0(5" <br /> SILTY SAND:60%fine grained <br /> sand,40%sift;yellowish red <br /> SM (5YR/4/6),very dense,moist <br /> 30 25 <br /> -3 0 MW-6-31' 26 <br /> CLAYEY SILT:50%silt,40%clay, 30 <br /> 10%fine grained sand;olive brown <br /> ML (2.5Y/4/3);low plasticity,hard, <br /> moist <br />