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QqEEDD <br />LOG OF BORING MW -6 <br />En\filreDnmt-_ntaI <br />(Page 2 of 2) <br />Huntbrook Holdings LLC <br />Date Started/Completed 10/9/2013 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: 2170914.7/6346928.4 <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. :27.41 <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: MW <br />-6 <br />La) <br />U <br />S <br />Surf. <br />= <br />AL Clear Acetate <br />Q <br />a <br />0 <br />Elev. <br />0 <br />27.64 <br />? � <br />DESCRIPTION <br />9 <br />Lab No. <br />m <br />cn <br />35 <br />8 <br />ML 0 <br />MW -6-36' <br />25 <br />WELL CONSTRUCTION <br />25 <br />Date Compl. : 10-9-13 <br />SILTY CLAY: 55% clay, 45% silt; <br />CL <br />olive brown (2.5Y/4/3), low <br />Hole Diameter : 8.25 in. <br />plasticity, hard, moist <br />Drill. Method :HSA <br />— <br />WELL CASING: <br />SILT: 65% silt, 20% clay, 15% fine <br />Material : Sch. 40 PVC <br />ML <br />grained sand; dark yellowish brown <br />Diameter :2 -in. <br />40 <br />(10YR/3/6); low plasticity, hard,18 <br />Joints : flush -thread <br />13 <br />moderately to well indurated, moist <br />0 <br />MW -6-41' <br />20 <br />WELL <br />41 <br />SCREEN: <br />SM <br />SILTY SAND: 50% fine to coarse <br />Material : Sch. 40 PVC <br />grained sand, 40% silt; pale brown, <br />Diameter : <br />moist _ _ _ _ _ _ — <br />43 <br />flus <br />Joints : flush -thread <br />Slot Spacing : 0.010 -in. <br />CLAYEY SILT: 65% silt, 30% clay, <br />5% fine grained sand; dark <br />SAND PACK : No. 2/12 Sand <br />45 <br />yellowish brown (10YR/3/6); low <br />20 <br />45 <br />TRANSITION : Bentonite chips <br />18 <br />plasticity, hard, moist <br />0 <br />MW -6-46' <br />0(6" <br />ANULAR SEAL: Neat Cement <br />SURFACE :8 -in. dia. <br />COMPLETION : steel well box <br />Notes: <br />50 <br />CLAYEY SILT WITH SAND: 55% silt, <br />23 <br />30% Clay, 15% fine to medium <br />018 <br />MW -6-51' <br />20 <br />San Joaquin Co EHD Permit <br />grained sand; yellowish red <br />23 <br />#68150 <br />(5YR/4/6), low plasticity, hard, <br />ML <br />moist to wet <br />Depth to GW 47.83 ft. btc on <br />first groundwater encountered at <br />10/16/13 <br />approximately 53 feet below ground <br />surface <br />55 <br />saturated; crumbly texture due to <br />12 <br />28 <br />more indurated chunks of silt <br />0 <br />MW -6-56' <br />15 <br />23 <br />60- <br />12 <br />33 <br />0 <br />MW -6-61' <br />18 <br />20 <br />CLAY: 65% clay, 30% silt, 5% fine <br />CL <br />grained sand, hard, wet0 <br />18 <br />20 <br />65 <br />25 <br />65 <br />-38 <br />70 <br />