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Ah Ah <br /> Gettler—Ryan Inc. Log of Boring MW-15 <br /> PROJECT: Tosco (Unocal)Service Station No. 8981 LOCATION: 4707 Pacific Avenue, Stockton, CA <br /> PROJECT N0. : 140f24,05 CASING ELEVATION: 11.37 feet MSC <br /> DATE STARTED: 08118199 WL (f t.bgs): DATE. TIME: <br /> DATE FINISHED: 08118199 WL (ft.bgs): DATE: TIME: <br /> DRILLING METHOD: 8"hollow-stem auger I TOTAL DEPTH: 41 Feet <br /> DRILLING COMPANY: Woodward 0riUin9 GEOLOGIST: Mike M, <br /> W <br /> * NWELL DIAGRAM <br /> r :> 7 n <br /> n w w GEOLOGIC DESCRIPTION <br /> Q N J J = U <br /> CL d a Q. a <br /> w� J a d rr o <br /> G. m V1 (n (D V) <br /> Concrete. <br /> CL <br /> 5 <br /> 10,5 31 MW-15-8 SILTY CLAY (CL) -reddish brown (SYR 4/3)and <br /> black (SYR 2.5/1), dry, very stiff, 70% clay,30% silt. u m m` <br /> 4 C� <br /> O U <br /> Q <br /> b <br /> U <br /> f0 x <br /> 8.8 27 MW-15-I1 Color change to reddish brown (SYR 4/3),becomes <br /> 55%clay,45%slit, <br /> i <br /> i <br /> iv ! <br /> 15 = = a I <br /> 8.0 54 MW-15-18 <br /> Becomes hard. , <br /> Y <br /> r <br /> h; <br /> V <br /> � 11, <br /> 20- <br /> - <br /> 0 <br /> 8.3 35 MW-15-21 <br /> Color change to dark gray (SYR 511)and reddish <br /> yellow (SYR 818),becomes mcist. <br /> s _ <br /> 25 {' <br /> 3.8 28 MW-15-28 <br /> Becomes very stiff, = �: <br /> a — r <br /> JOB NUMBER: 140124,05 Page 1 o/2 <br />