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DATE <br />00111, <br />E'O® O iC Associates <br />PID <br />BORING NO.: MW -10 <br />N^ <br />zCLZi <br />i <br />Boring Log <br />i <br />0 <br />PAGE: 2 OF 2 <br />JOB NO.: <br />2011-115 DATE STARTED: <br />10/10/11 <br />GW DEPTH: 66.7 feet <br />SITE LOCATION: <br />CORRAL HOLLOW LANDRLL DATE FINISHED: <br />10/11/11 <br />TOTAL DEPTH: 76.5 feet <br />DRILLING . <br />8" f HOLLOW STEM AUGER ELEVATION <br />286.3 <br />V <br />GREGG DRIUAC NORTHING: <br />ND <br />...same as above. _ _ _ <br />Yellowish brown (10YR 5/6), fine to coarse, <br />moderately graded, very dense GRAVELLY SAND <br />with interbedded very fine, slightly plastic, very <br />hard SANDY SILT. <br />Yellowish brown (tOYR 5/6), very fine, laminar, <br />poorly graded, dense/hard, slightly plastic <br />SILTY SAND/SANDY SILT with moderate <br />magnesium oxide and iron oxide staining. <br />(65') —very dense/very hard. <br />BEDROCK — CORCORAN CLAY: <br />Light olive brown (2.5Y 5/4), plastic, very stiff <br />CLAYEY SILTSTONE with laminar, very fine SAND <br />and moderate magnesium oxide and iron <br />oxide staining. <br />LAGGED BY: <br />W. LOPEZ, CEG FASTING: <br />ND <br />DATE <br />TIME <br />PID <br />^ <br />I <br />N^ <br />zCLZi <br />i <br />z <br />i <br />0 <br />ZZs <br />z <br />j <br />of <br />DESCRIPTION <br />COMMENTS <br />10 10 <br />14:03 <br />14:20 <br />14:341 <br />0 <br />0 <br />D <br />0 <br />0 <br />0 <br />90 <br />50/4" <br />67 <br />72 <br />27 <br />34 <br />SPT <br />SPT <br />SPT <br />SPT <br />SPT <br />SPT <br />7 <br />75- <br />1 <br />V <br />''"``%r'swr <br />SW <br />ML <br />SM <br />ML <br />...same as above. _ _ _ <br />Yellowish brown (10YR 5/6), fine to coarse, <br />moderately graded, very dense GRAVELLY SAND <br />with interbedded very fine, slightly plastic, very <br />hard SANDY SILT. <br />Yellowish brown (tOYR 5/6), very fine, laminar, <br />poorly graded, dense/hard, slightly plastic <br />SILTY SAND/SANDY SILT with moderate <br />magnesium oxide and iron oxide staining. <br />(65') —very dense/very hard. <br />BEDROCK — CORCORAN CLAY: <br />Light olive brown (2.5Y 5/4), plastic, very stiff <br />CLAYEY SILTSTONE with laminar, very fine SAND <br />and moderate magnesium oxide and iron <br />oxide staining. <br />Moist to very moist. <br />Moist <br />ery moist o sligh y wet. <br /><> <br />r <br />10/11 <br />7:22 <br />7'29 <br />7'47 <br />8'22 <br />— <br />o es: <br />1. Total depth of boring 76.5 feet bgs. <br />2. Groundwater first encountered at a depth <br />of 70 feet bgs on 10/11/2011; static <br />water level measured at 66.7 feet bgs on <br />10/19/2011. <br />3. Samples collected using on automatic trip <br />hammer. <br />4. Temporary well with screen from 65 to 75 <br />feet bgs constructed on 10/11/2011. <br />The data <br />presented on this log <br />is a simplification of actual conditions encountered and applies only at the location of this boring <br />1 and at the time of dnlling. Jmbsurtace conditions may Omer at other locations ano may cnonge witn the passage or time. I <br />