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ERM BOREHOLE LOG <br /> Borehole Number <br /> 1'i74 BeW1to Drive <br /> ERM i zs°i `e 8 "a°° Pa eB2 Sof 3 <br /> Project Number 818725 Logged By D Sanders <br /> Project Name UP—Stockton Total Depth 41 50' <br /> Location 936 E Weber Ave , Stockton, California Borehole Dia 8 00in <br /> Contractor Gregg Drilling Initial Water Level 39 5' <br /> Drilling Method Hollow Stem Auger Final Water Level 38 6' <br /> Dote(s) 05/18/98 <br /> Crk <br /> y <br /> J v >W WE <br /> c <br /> o J (D o a <br /> to <br /> CL Description/Soil Classification <br /> CL E o <br /> U � <br /> n o is cy a� o n <br /> C7Ln <br /> 3 N m a <br /> 21- <br /> 22 <br /> 23 SILTY CLAY with minor sand, brawn <br /> 24 SILTY CLAY brown <br />' <br /> 25-M5M0910 15 111 SAND (SM) brawn (2 5Y 4/4), moist, Inose, 75% sand, rounded, very fine to <br /> 1147 medium gamed (75% quartz, 20% feldspar, 5% mofics), 25% silt, <br /> 26 25 283 hydrocarbon-Ike odor, (Native) <br /> 28 398 Sample B-5-26, Headspace PID=1174 <br /> 27 <br /> 28 <br /> r 29 <br /> SAND SM orange-brown (25Y 5/4), moist, loose, 80% sand, rounded, very <br /> 30 5M 8 239 gfine to coarse grained (70% quartz, 15% feldspar, 15% lithics and <br /> 31 0916 11 266 mofics), 20% silt, hydrocarbon-Ike odor, (Native) <br /> 14 406 Sample B-5-31 5, Headspace PID=281 <br /> 32- <br /> 33- <br /> 34- <br /> 35—M <br /> 2 <br /> 33 <br /> i 34 <br /> 35 SM165 SAND (SM) brown (2 5Y 4/3), most, loose, 85% sand, rounded, very fine <br /> 0925 10 378 to medium grained (85% quartz, 10% feldspar, 5% mofics and <br /> 36 10 22 695 hthics), 15% silt, hydrocorbon-like odor, (Native) <br /> 682 Sample B-5-36, Headspoce PID=300 <br /> 37- <br /> 38- <br /> 39- <br /> 73839 = Initial water table = 395* Final water table = 386* <br /> Q <br />