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Ak <br /> Gettler—Ryan Inc. Log of Boring MW-15 <br /> PROJECT: Tosco (Unocal)Service Station No. 6981 LOCATION: 4707Paclfic Avenue, Stockton, CA <br /> PROJECT NO, : 140124.05 CASING ELEVATION: 11,37 feet MSL <br /> DATE STARTED: 08/0/99 WL (ft.bgs); DATE: TIME: <br /> DATE FINISHED: 08/18/99 WL (ft.bgs): DATE; TIME: <br /> DRILLING METHOD: 8"hollow-stem auger TOTAL DEPTH: 41 Feet <br /> DRILLING COMPANY: Woodward Drilling GEOLOGIST: Mike M, <br /> LLw <br /> m Lo <br /> _ D J N WELL DIAGRAM <br /> C LL z <br /> a w a GEOLOGIC DESCRIPTION <br /> (n w <br /> CL <br /> v o <br /> O IL m Cn N Lo f�77 <br /> Concrete. <br /> CL <br /> I <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. ro v <br /> Q. cy <br /> o u <br /> e j <br /> b <br /> W <br /> U <br /> V) <br /> 6.8 27 MW-15-I1 Color change to reddish brown (SYR 4/3),becomes <br /> 55%clay, 45% silt. j <br /> i <br /> i <br /> v i <br /> a ) <br /> 8,0 54 MW-15-18 - <br /> Becomes hard, <br /> �i <br /> 20- <br /> 83 <br /> 0 8,3 35 MW-45-21 Color change to dark gray (SYR 511) and reddisha = }a i <br /> _ .,. i <br /> yellow (SYR 8/8),becomes moist. <br /> _v G <br /> Q =a C <br /> 25 _ <br /> 3.8 28 MW-I5-28 <br /> Becomes very stiff. <br /> M <br /> JOB NUMBER: 140124.05 Page 1 0f 2 <br />