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s <br /> R p LOG OF BORING MW-7 <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/Easting Coord:2170786.8/6346932.5 <br /> MW-7. MW-8,and Borings RDM-1 and CPT-1 Drilling Company/Driller.All Well Abandonment/J.Cela Casing Elev. :27.97 <br /> Sample Interval Sampler Type <br /> ' Lab Sample SS Split Spoon <br /> Q Int.Sampled ST Shelby Tube 7a <br /> LLU Lost PS Piston Sampler Well:MW-7 <br /> = Surf. = AL Clear Acetate n m 0 <br /> £ Elev. In a <br /> 0 28.29 U DESCRIPTION a M Lab No. m <br /> r—� <br /> 0--28 Concrete-6"thick WELL CONSTRUCTION <br /> CLAY:65%clay,30%silt, 5%fine Date Compl. :10-8-13 <br /> grained sand;dark yellowish brown MW-7-2.5' nm Hole Diameter :8.25 in. <br /> (10YR/4/4),low plasticity,hard, Drill.Method :HSA <br /> moist WELL CASING: <br /> Material :Sch.40 PVC <br /> Diameter :2-in. <br /> • <br /> 5--23 0 MW-7-5' nm Joints :flush-thread <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 /> • <br /> 10--18 CL SILTY CLAY: 50%clay,45%silt, P5 TRANSITION :Bentonite chips <br /> 5%fine grained sand;yellowish 2 MW-7-11' 0(5" <br /> brown(10YR/5/6),low plasticity, ANULAR SEAL:Neat Cement <br /> hard,moist <br /> SURFACE :B-in.dia. <br /> COMPLETION :steel well box <br /> Notes: <br /> 15 <br /> 13 4 MW-7-18' 0�„ San Joaquin Co EHD Permit <br /> #68149 <br /> Depth to GW 48.40 ft.btc on <br /> 10/16/13 <br /> • 20 CLAYEY SILT WITH SAND:55%silt, 15 <br /> 8 25%clay,20%fine grained sand; 3 MW-7-21 26 <br /> strong brown(7.5YR/5/6),low 41 <br /> plasticity,hard, moist <br /> ML <br /> 25- 3 olive brown(2.5Y/4/4)and 18 <br /> e yellowish red(5YR/5/8);contains 4.5 Mw-7-26' 25 <br /> thinly laminated layers of silty fine 45 <br /> sand <br /> -•--"-----------------•---------------------- <br /> SILTY SAND:65%fine grained <br /> sand,35%silt;olive brown <br /> SM (2.5Y/4/4),very dense,moist <br /> 30—__ <br /> 2 18 <br /> 4 MW-7-31' 28 <br /> 40 <br /> CLAY:70%clay,25%silt,5%fine <br /> grained sand;dark greenish gray <br /> CL (5G/4/1);low plasticity, hard,moist <br /> • 35 35 <br />