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' BORING NO.GW-8 <br /> Coordinates and <br /> elevations to be provided <br /> PROJECT: Corral Hollow Sanitary Landfill PROJECT NUMBER:149266 FIELD GEOLOGIST:Garrick Anderson in Survey Sept 2013 <br /> LOCATION: San Joaquin County,CA DRILLING METHOD:Hollow Stem Auger CHECKED BY: <br /> DRILL CO.: Gregg Drilling SAMPLING METHOD:Split-Spoon CHECKED BY:GAA/JC[sham DATE BEGAN:8/21/13 <br /> DRILLER: Jason Neff BORING:8" TOTAL DEPTH:25.5' DATE FINISHED:8/21/13 <br /> SCREENS: Diameter:0.75" Lengths:9'a 3' Type/Size:20-slot,PVC 0.25-inch tubing <br /> CASINGS: Diameter.0.75" Lengths:5.5'820.5'Type/Size::Schad.80,PVC TRANSITION SAND:None <br /> Elevation Depth Grab USCS <br /> (ft amsl) (feet) Well Completion Sample Symbol Profile Descri tion Comments <br /> 0.00 Airknifed to 6' <br /> ' X GM Sandy and silty gravel,dry. <br /> -1.00 1.0 <br /> -2.00 2.0 <br /> ' -3.00 3.0 _ <br /> -4.00 4.0 <br /> -5.00 5.0 X 5P Poorly graded sand,yellowish brown(10YR5/4),trace silt,loose. <br /> ' -6.00 6.0 <br /> -7.00 7.0 <br /> ' -8.00 8.0 <br /> -9.00 9.0 X CL Silty clay,light yellowish brawn(2.5Y6/3),locally very fine sand, <br /> X soft to moderately firm.Damp. <br /> -10.00 10.0 X Silty clay with very 5-10%fine to fine sand,trace medium <br /> ' spots of dark brown(organic?)and Iron oxide stain,damp. <br /> 11.0 <br /> -11.00 <br /> -12.00 12.0 <br /> ' -13.00 13.0 <br /> -14.00 14.0 X ML Silt with fine sand,locally sandy silt(sand to 20%),light <br /> X yellowish-brown(2.SY6/3),firm to slightly firm I mouldable, <br /> -15.00 15.0 X trace i"gravel,spotty iron oxide stains,damp <br /> 145:Clayey silt,damp to slightly moist,locally clayey with Few iron oxide streaks <br /> -16.00 16.0 sill and fine sand laminae,iron oxide stains on rare partings. <br /> Slightly moist at 15'. <br /> -17.00 17.0 <br /> ' -18.00 18.0 <br /> -19.00 19.0 X 18.5':Clay with Silt,light yellowish brown(2.5Y6/3), <br /> X sill locally to 20%,firm to stiff,trace mica,slightly moist to damp. <br /> -20.00 20.0 X ML 19.5':Clayey silt,locally increased clay,trace mica,medium- <br /> , strong iron-oxide stains,slightly moist to damp. <br /> -21.00 21.0 <br /> -22.00 22.0 cL Contact approximated based on 5 ft sample intervals <br /> ' <br /> -23.00 23.0 23.5'-Clay with silt,light yellowish brown(2.5Y6/3),local dark <br /> brown streaks(organic?),Iron oxide spotting,stiff,mouldable, <br /> -24.00 24.0 X CL slightly moist. <br /> X 24':Clayey silt,trace descimated mica. <br /> -25.00 25.0 X ML moist. <br /> ' 24':Clayey silt,trace descimaled mica. <br /> -26.00 26.0 TD=25.5' <br /> -27.00 27.0 Upper Bentonite Seal-0 to 5 feet <br /> Upper Gravel-Pack-5 to 15 feet <br /> -28.00 28.0 Upper Screen Interval-5.5 to 14.5 feet <br /> -29.00 29.0 Lower Bentonite Seal-15 to 20 feel <br /> Lower Gravel-Pack-20 to 24 feet <br /> -30.00 30.0 Lower Screen Interval-20.5 to 23.5 feet <br /> ' Page 1 of 1 <br />