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QqEEDD <br />LOG OF BORING MW -8 <br />En\filreDnmt-_ntaI <br />(Page 1 of 2) <br />Huntbrook Holdings LLC <br />Date Started/Completed 10/8/2013 Drill Rig : CME -75 <br />3138 East Main Street <br />Hole Diameter :8.25 -in. Logged By : M. Berrington, PG #7124 <br />Stockton, CA <br />Drilling Method : Hollow stem auger Survey By Morrow Surveying <br />Sampling Method : 2.25-in.x18-in. split spoon Northing/Easting Coord: 2170707.2/6346990.2 <br />Installation of Monitoring Wells MW -4. MW -6, <br />MW -7, MW -8, and Borings RDM-1 and CPT -1 <br />Drilling Company/Driller: All Well Abandonment/J. Ceia Casing Elev. : 27.75 <br />Sample Interval <br />Sampler Type <br />Lab Sample <br />SS Split Spoon <br />0 Int. Sampled <br />ST Shelby Tube <br />m <br />® Lost <br />PS Piston Sampler <br />Well: <br />MW <br />-8 <br />La) <br />U <br />S <br />Surf. <br />CO <br />= <br />AL Clear Acetate <br />Q <br />a <br />0 <br />Elev. <br />0 <br />28.17 <br />? � <br />DESCRIPTION <br />9 <br />Lab No. <br />m <br />cn <br />r—� <br />0--28 <br />Native Topsoil <br />WELL CONSTRUCTION <br />CLAY: 65% clay, 30% silt, 5% fine <br />Date Compl. :10-8-13 <br />grained sand; dark yellowish brown <br />Hole Diameter : 8.25 in. <br />(10YR/4/4), low plasticity, hard, <br />Drill. Method : HSA <br />moist <br />WELL CASING: <br />Material : Sch. 40 PVC <br />Diameter :2 -in. <br />5--23 <br />CL <br />MW -8-5' <br />0(5" <br />Joints : flush -thread <br />0 <br />WELL SCREEN: <br />Material : Sch. 40 PVC <br />Diameter :2 -in. <br />Joints : flush -thread <br />Slot Spacing : 0.010 -in. <br />SAND PACK : No. 2/12 Sand <br />10 <br />18 <br />— — — o <br />SILTY SAND: 60 /° fine grained <br />0 <br />MW -8-10.5' <br />0(6" <br />TRANSITION : Bentonite chips <br />sand, 40% silt; dark brown , moist <br />ANULAR SEAL: Neat Cement <br />CLAYEY SILT: 60% silt, 40% clay; <br />yellowish brown (10YR/5/4), low <br />SURFACE :8 -in. dia. <br />plasticity, hard, moist <br />COMPLETION :steel well box <br />CLAYEY SILT WITH SAND: 55% silt, <br />25% clay, 20% fine grained sand; <br />Notes: <br />15 <br />13 <br />yellowish brown (10YR/5/6), low <br />0 <br />MW -8-15.5' <br />0(5" <br />plasticity, hard, moist <br />San Joaquin Co EHD Permit <br />#68139 <br />Depth to GW 48.10 ft. btc on <br />10/16/13 <br />ML <br />20--8 <br />0 <br />MW -8-20.5' <br />0(5" <br />25--3 <br />CLAYEY SILT: 60% silt, 30% clay, <br />20 <br />10% fine grained sand; light olive <br />0 <br />MW -8-25.5' <br />0(5" <br />brown (2.5Y/4/4), low plasticity, <br />hard, moist <br />SILTY CLAY: 50% clay, 40% silt, <br />10% fine grained sand; olive brown <br />30 <br />2 <br />(2.5Y/4/4); low plasticity, hard, <br />25 <br />moist <br />4 <br />MW -8-30.5' <br />0(5" <br />CL <br />35 <br />dark yellowish brown (10YR/4/4) <br />"' <br />35 <br />