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LOG OF DRILL HOLE <br /> JOB NO.: SF02007A LOGGED BY: D Herold DRILL HOLE NO.: MW-11 <br /> PROJECT: Stockton RWCF GW Quality Monitoring CHECKED BY: J Seibold DRILLING DATE: 12/9/2003 <br /> LOCATION: South of Sludge Pond,at RWCF ELEVATION: 15.7 feet <br /> DRILLING METHOD: Hollow Stem Auger,64nch DATUM: NAVD88 <br /> rC <br /> w <br /> q� w ATTERBERG <br /> W O-- a� LIMITS u- <br /> w j �_ Z va J GEOTECHNICAL DESCRIPTION o da. <br /> v az iL <br /> N o i AND CLASSIFICATION w D� o �p CL o <br /> a >wa do fl a �Fw- p'" H OZ tirn <br /> O D a Uf O¢ ¢ <br /> o ¢ - OF o sw o: �v pp zF- ov, <br /> rn ► cn g� o o: c� n� 0U az �� ow <br /> "ARTIFICfAL FILL(af)" — `� <br /> F—a-inch Asphalt. ___ <br /> GRAVELLY SAND(SPj red brawn,damp,pea gravel-well r <br /> rounded fine to mediuMAend._n _ <br /> CLAY(CL)with silt,black,damp tc moist,micaceous, <br /> _moderate plasticiy, to dy). <br /> SILTY CLAY(CL)dark blue gray,damp,scattered coarse <br /> grained sand and fine gravel,contains chips of white <br /> ceramic. <br /> Becoming greenish gray,damp,trace of fine angular <br /> 5 ravel micaceous minor fine sand. <br /> "ALLUVIUM(Qal)" <br /> SANDY CLAY(CL)greenish gray with yellow brown <br /> mottling,damp,scattered fine gravel. <br /> Becoming sandy ctay_Mth sift. <br /> ANO CLAY(ML-CL)olive gray,dry to damp,red <br /> brown mottling,micaceous. <br /> -'SILTY SAND LM1re'd brown,drEto dam'p.- __— <br /> :§LT(ML)red brown,dry,micaceous. <br /> 1J <br /> Becoming yellow brown with red brown mottling. _ <br /> SILT AND CLAY(ML-CL)red brown,moist,root casts <br /> and roots. <br /> Luj <br /> SILTY CLAY(CL)dark btue'gray,with small n:d brown <br /> mottles-root casts,damp to moist. <br /> CLAY(CL)dark blue gray to black soft,slightly sticky, <br /> 14 moist,plastic. <br /> 15 <br /> SANDY SILT(ML)olive gray,moist,red brown mottling. <br /> SILTY SAND(SM)greenish gray,moist ——— <br /> SAND(SM-SP)dark greenish gray,loose,wet -- <br /> SILTY SAND(SM)dark greenish gray,wet,soft,plastic. <br /> 20- SAND(Sp)medlem greenish gray,wet,loose,Sne to <br /> medium grained,cross bedded at bottom. <br /> heaving sand. <br /> SILTY CLAY CL li ht reenish ra moist micaceous <br /> 1)Bottom of drill hole at 22 feet. <br /> 2)Groundwater encountered at 18.5 feet. <br /> 0 3)Constructed Monitoring Well MW-11. <br /> C.7 <br /> N <br /> a 25 <br /> c� <br /> n <br /> 0 <br /> N <br /> O <br /> LL <br /> N <br /> w <br /> J <br /> 0 <br /> _J <br /> O <br /> -J <br /> L 1 1 1 1 1 <br /> SHEET 1 Of 1 LEGEND TO LOGS ON PLI1TEA_2 PLATE A-1.11 <br />