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1 <br /> Page 1 of 2 <br /> BOREHOLE NUMBER SOIL BORING LOG <br /> MW-30 ENSR Corporation, Inc <br /> PROJECT NAME LOCATION <br /> Unocal No 5098 5608 Pacific Avenue Suitt;210 <br /> 10419 Old Placerville Road <br /> PROJECT NUMBER Rancho Cordova,Ca 95827 <br /> D8940-294-12D Stockton California <br /> DRILLING CONTRACTOR!DRILLER LOGGED BY 916-362-7100 <br /> Cascade Dimilling,Inc KAH www ensr corn <br /> DRILLING EQUIPMENT/METHOD BIT SIZE/BIT TYPE SAMPLING METHOD START-FINISH DATE <br /> CME-75HT 1 Hollow Stem Auger 8 25-Inch 1 Bull Don Split Spoon 1717104-717/04 <br /> CASING MATL /DIAMETER SCREEN <br /> SCH 40 PVC12-Inch TYPE Machine Slot MATL PVC TOTAL LENGTH 20 DIA. 2-Inch SLOT SIZE D 020 <br />' ELEVATION OF GROUND SURFACE TOP OF WELL CASING TOP&BOTTOM SCREEN GW SURFACE DATE <br /> FT 717104 <br /> NORTHING EASTING LATITUDE LONGITUDE DATUM <br /> Traffic Rated Lo6ung Well <br />' Depth Well Box Cap Graphic Blow Depth Sample OVM <br /> (feet) Visual s u a I D e s c r l p t i o n Values <br /> l u e s <br /> Counts {feet) ID <br /> !� <br /> (ppm) <br /> CONCRETE 4' asphalt and 8"rock fill <br />' CONCRETE Sandy Silt light yellow brown 15%fg sand 851/6 <br /> SEAL fines,medium density dry micaceous no odor no <br /> staining non plastic <br />' 5 NEAT 5 <br /> CEMENT 14 <br /> GROUT 15 <br /> 19 <br />' Sllt light yellow brown 5%fine grain sand 95% <br /> fines medium dense dry no odor non plastic <br /> 10 <br /> 12 <br /> 12 <br /> 16 <br /> 15 2 INCH SCH — 15 <br /> C 40 FLUSH 14 <br /> THREADED 14 <br /> CASING 17 <br /> z <br /> W <br /> 0 20 _ 20 <br /> iii Sandy Silt,light brown 20%fg sand 80%fines 12 <br /> n medium density dry micaceous non plastic 13 <br /> 15 <br /> J <br /> 0 <br /> 25 — 25 <br /> 0 13 <br /> 16 <br /> z <br /> rr <br /> m <br /> 75 30 — 30 <br /> z Sitty sand fight brown medium dense dry Bf)%fine 13 <br /> g grain 40%fines micaceous non plastic 13 <br /> ~j 15 <br /> zz <br /> 0 <br /> J <br /> J <br /> 35 35 <br />