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i LOG OF DRILL HOLE <br /> JOB No.: sF02007A <br /> LOGGED BY: D Herold DRILL HOLE NO.: MW-12 <br /> PROJECT: Stockton RWCF GW Quality Monitoring CHECKED BY: J Seibold DRILLING DATE: 12/9/2003 <br /> i LOCATION: East of Sludge Pond,at RWCF ELEVATION: 11.6 feet <br /> DRILLING METHOD: Hollow Stem Auger,6-inch DATUM: NAVD88 <br /> LL <br /> o:ti p ATTERSERG <br /> 60 a LIMITS =U. <br /> W ? En �Z on- p GEOTECHNlCAL DESCRIPTION `��' <br /> Z- o <br /> OW J <br /> ¢z �� o? z AND CLASSIFICATION W 5z ,� �� z <br /> a o �tu �� oo as o^ �W ��. �� zz oW <br /> a m �u�i aL) aX 0 ix 0 LL 0 QI2 S ZF Ow <br /> Qa �c� JJ a-j Dcn ¢� <br /> "ARTIFICIAL FILL(af)" - <br /> 6-inch AsphaEt. <br /> SAIJDY SILT(ME)w!'th gravel,red brown,dry,very stiff <br /> . SILTY CLAY(CL)'dark gray to black,damp tomoist. <br /> GRAVELLY CLAY(CL)dark gray to black,damp,red <br /> brown mottling,gravel to 3-inch with oxfdatlon rinds, <br /> bricks,asphalt chunks. <br /> 5 <br /> 10 <br /> Increasing sand with gravel to 4-inch,in Clay matrix, <br /> moist, <br /> :1 GRAVELLY SAND{SP-GP)greenish gray,wet,loose, <br /> well rounded gravel in fine to medium sand matrix <br /> GRAVELLY CLAY(CL)greenish gray,moist,with brick <br /> fragments. <br /> 15 <br /> �GRAVE'LLY SAND{SP-G5j greenish gray,wet,angular <br /> _to well rounded gravel In fine sand matrix. <br /> GRAVELLY CLAY(CL)greenish gray,wet,with double <br /> layer of filter fabric(mirai7), <br /> Loose gravelly sand,heaving. <br /> Heaving sand. <br /> 1)Bottom of drill hole at 20 feet. <br /> 2)Groundwater encountered at 12.5 feet. <br /> 3)Constructed Monitoring Well MW-12. <br /> 9 <br /> 0 <br /> U <br /> C7 <br /> a 25 <br /> a <br /> 0 <br /> a <br /> 0 <br /> u. <br /> N <br /> W <br /> �I <br /> J <br /> O <br /> O <br /> J SHEET 1 of 1 LEGEND TO LOGS ON PLATE A-2 PLATE A-1.12 <br />