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�, . <br /> e Hal <br /> ! <br /> I <br /> r <br /> i <br /> Total depth of borings 20-1/2 ft. Dlametsr of borings 6 in. Cate driileds 8/16/90 <br /> Caging dlarnmterr NIA - Lenath, N/A Slot Size, NIA <br /> *k Screen dlimaters N/A Langtta N/A — Material types N/A <br /> Drliiing Cotapanys wayne Drilling Co. - Drfllerr t?;chard and icy _ <br /> Method Uscvda Hollow—stem Auger Field Geologists G. Altimari <br /> SIgnmturs of Reelatered Professional: <br /> Aeglstratlon No.a +313 Stator Calif. <br /> 03 <br /> SA9WILE€ e RSCS I DESCRIPTION <br /> DEPTHNO. I Pl.D. CODE 1 CONST.. <br /> 0 Pscncit cnd gravel base. <br /> ' 2 <br /> � I <br /> S-5 1® 7 ppmv 5M Silty scnp, fine— to medium—grafi^sd, moaerate brawn, <br /> slianev camp. loose. <br /> e <br /> S-10# t0 0 meaium cense. <br /> 10 ® I ppmv •'.� <br /> 12- <br /> S-15 I <br /> 25—i51 i i 18 �I <br /> ® ppmv SN .enc. ' <br /> to coarse—Grainea with trace rine- to <br /> cecrse--rained aravel, pale yellow, =_lightfv comp, <br /> 16 mecism cense. <br /> 20 c-24 19 0 UL Slit, _ale yellow brawn, slightly damp, very tiff, slight �• <br /> ppmv clastci;v. <br /> Tatci .eotn = 20-1/2 feet. <br /> _ Crouna water encounterea at 20-1/2 feet. <br /> Barna Dackfiiled with bentonite/cement slurrv. <br /> LOG OF BORING: B-7 PLATE <br /> ARCO Service Station No, $020 <br /> 1711 Yosemite Avenue P-11 <br /> PROJECT NO. 30055-1 Manteca, California <br />