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• <br /> R Iv LOG OF BORING MW-6 <br /> Environmental (Page 2 of 2) <br /> Huntbrook Holdings LLC Date Started/Completed 10/9/2013 Drill Rig :CME-75 <br /> 3138 East Main Street Hale Diameter :8.25-1n. 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-mx18-in.split spoon Northing/Easting Coord:2170914.7/6346928.4 <br /> MW-7, MW-8,and Borings RDM-1 and CPT-1 Drilling Company/Driller All Well AbandonmenVJ.Cela Casing Elev. :27.41 <br /> Sample Interval Sampler Type <br /> _ Lab Sample SS Split Spoon <br /> 0 Int.Sampled ST Shelby Tube m <br /> U Lost PS Piston Sampler Well: MW-6 <br /> E <br /> c Surf. = AL Clear Acetate n d t j <br /> $ Elev. N <br /> n <br /> V 27.64 U DESCRIPTION o m Lab No. o <br /> Q_ m <br /> 35 -8 ML 0MW-6-36' 25 <br /> WELL CONSTRUCTION <br /> .10 <br /> SILTY CLAY: 55%clay,45%silt; 26 DDatHole Diameter l :8-9 is <br /> CL olive brown(2.5Y/4/3), low Drill.Method :HSA <br /> plasticity, hard, moist <br /> WELL CASING: <br /> SILT:65%silt, 20%clay, 15%fine Material :Sch.40 PVC <br /> n. <br /> ML rained sand;dark yellowish brown Diameter :flus <br /> 40 g Joints :Flush-thread <br /> 13 (10YR/3l6); low plasticity, hard, 0 18 <br /> moderately to well indurated, moist MW-6-41' 20 " 41 WELL SCREEN: <br /> SMI SILTY SAND: 50°/o fine to coarse 22 Material :Sch.40 PVC <br /> rained sand,40%silt; pale brown, Diameter : us <br /> g Joints : flush-thread <br /> moist _ _ _ 43 Slot Spacing :0.010-in. <br /> L�LCLAYEY SILT:65°/silt, 30°%clay, SAND PACK :No.2/12 Sand <br /> 5%fine grained sand;dark <br /> • 45 yellowish brown(10YR/3/6); low 20 45 TRANSITION :Bentonite chips <br /> -18 plasticity, hard, moist 0 MW-6-46' 0(6" <br /> ANULAR SEAL:Neat Cement <br /> SURFACE :8-in.dia. <br /> COMPLETION :steel well box <br /> Notes: <br /> 50 CLAYEY SILT WITH SAND: 55%silt, <br /> -23 30%clay, 15%fine to medium 0 MW-6-51' 20 San Joaquin Co EHD Permit <br /> grained sand; yellowish red 23 - #68150 <br /> (5YR/4/6),low plasticity, hard, - <br /> ML moist to wet Depth to GW 47.83 ft.btc on <br /> first groundwater encountered at 10/16/13 <br /> approximately 53 feet below ground <br /> surface <br /> 55 saturated;crumbly texture due to 12 _ <br /> • -28 more indurated chunks of silt 0 MW-6-56' 15 <br /> 23 <br /> • 60 0 12 <br /> -33 MW-6-61' 18 <br /> 20 <br /> CLAY:65%clay, 30%silt, 5%fine 18 <br /> CL grained sand, hard,wet0 25 65 20 <br /> i 65 <br /> 38 <br /> • 70 <br />