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i <br /> i <br /> LOG OF BORING MW-6 <br /> tz y E E Equipment 8" Hollow Stem Auger <br /> Laboratory Tests � m 8 -0 n Elevation Date 12/21/87 <br /> 0 Asphalt <br /> Aggregate baserock <br /> BROWN .SILTY CLAY (CL) <br /> stiff, moist, trace fine <br /> ND 8 sand" <br /> becomes light brown medium stiff, <br /> 5 wet increase in silt content <br /> Water ;level (unstabi 1 ized) <br /> TAN CLAYEY SILT (PAIL) <br /> stiff,, saturated <br /> IJD 11 <br /> 10 sand Tense, fine--grained <br /> LIGHT BROWN SILTY CLAY (CL) <br /> stiff, saturated <br /> ND 11 <br /> 15 <br /> Bottom of hole at lb feet <br /> q , <br /> LOG OF BORING MW-7 <br /> a E Equipm�ent.,, ..10" Hollow Stem Auger <br /> M co <br /> Q "' Elevation Date 12/21/87 <br /> 0 GRAY 'CLAYEY SAND (SC) <br /> medium dense, moist <br /> strong gas odor <br /> } 500 Water level (saturated) <br /> 5- <br /> 10- <br /> LIGHT <br /> 10LIGHT BROWN SILTY CLAY (CL) <br /> 75 7 1 very, stiff, wet i <br /> Bottom of hole at 13.5 feet <br /> 15 NOTE: Drilled out observation <br /> well B & installed MW-7 <br /> Harding Lawson Associates - <br /> - = <br /> Engineers,Geologists Logs of Borings MW-6 & MW--7 <br /> -- --- &Geophysicists 455 Grant 'Line Road <br /> Tracy, California <br /> DRAWN j08NumGER APPROVED DATE REviSED <br /> AG 18040,001.03 l( 2188 <br />