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*ETIC <br />ENGINEERING <br />CLIENT <br />OII Corp. <br />SITE NUMBER <br />99 -CAS <br />LOCATIONExxonMobil <br />75 East Alpine Avenue <br />Stockton California <br />eSIFID a b-Ilmv sl <br />DRILLING AND Cleared to 5law bgs ulung a soil vacuum. Drilledam <br />SAMPLINGMETHODS augerrigwith e.inphaugers SampledvAheSplit spWnsampler <br />�A <br />LOG OF SOIL BORING: MWZ <br />WATER LEVEL <br />v 34.5 <br />r 33 25 <br />COORDINATES: N2180359.3 :E6331231 2 <br />START FINISH <br />TIME <br />TIME <br />1445 <br />ELEVATION TOP OF CASING: 1528 <br />CASING BELOW SURFACE: 0.601235 <br />TIME <br />1405 <br />1425 <br />DATE <br />2123107 <br />2/26/07 <br />DATE <br />2/23107 <br />DATE <br />2/23/07 <br />DRILLING COMPANY: Cascade <br />LICENSE NUMBER: C57-717510 <br />REFERENCE <br />GS <br />TOC <br />ZINCHEsm <br />> <br />o <br />U <br />a <br />y W <br />og: <br />mm <br />G <br />ao <br />o¢ <br />= <br />u <br />v= <br />z a <br />asp <br />SURFACE <br />u <br />acs <br />**O <br />cs -+ <br />CONDITIONS <br />Asphalt parking lot <br />DESCRIPTION BY: <br />E. Appel <br />DETAILS <br />Single boll, waler <br />light. Morrison well <br />box <br />SILTY CLAY. dark yellowish brown (ICYR 414). <br />soft, low to moderate plasticity, moist <br />t <br />L <br />CLAYEY SAND WITH GRAVEL - dark yellowish <br />18 <br />15 <br />6 <br />51- <br />- <br />C. <br />brown (ICYR 416), very dense, medium to coarse <br />grained, sub-roundetl to sub -angular gravels l0 1 <br />inch in diameter, Mt. <br />Cement grout from <br />surface to 26 feel <br />legs . <br />28 <br />39 <br />1.8 <br />7- <br />1 <br />1 <br />SILTY CLAY WrrH SOME SAND - dark brown <br />(ICYR 3/3), hard, low plasticity, one grained sand, <br />slightly moist <br />2 -inch diameter <br />Schedule 40 PVC <br />19 <br />38 <br />50(x,14' <br />Riser Casing from <br />41.1 <br />Original Grade to <br />30 feet bgs <br />115- <br />23 <br />Y 12 <br />12 <br />1i18_31- <br />50@6' <br />12- <br />18 <br />14 <br />z <br />0 <br />14 <br />21 <br />140 <br />14 <br />50@2" <br />m <br />2 <br />D <br />yr <br />Page 1 of 3 <br />O <br />c <br />