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Gettfer-Ryan. Inc. Log of Boring SP-3 <br /> `= PROJECT: Tosco (76) Service Station No. 11195 LOCATION: 16500 South Interstate 5, Lathrop, CA <br /> GR PROJECT NO. : 140193.14 CASING ELEVATION: <br /> DATE STARTED: 12/09/02 WL (ft, bgs): 14.5 DATE; 12/09/02 TIME: f4:0 <br /> DATE FINISHED: 12/09/02 WL (ft. bgs); DATE: TIME; <br /> DRILLING METHOD: 8 in. Hollow Stem Auger TOTAL DEPTH: 37 feet <br /> DRILLING COMPANY: Cascade Drilling GEOLOGIST: Andrew Smith <br /> * o cn WELL DIAGRAM <br /> F_: Z J in <br /> LL w GEOLOGIC DESCRIPTION <br /> 2^ U7 JS U <br /> H a a J <br /> a w o a <br /> W J Q M O <br /> SM SILTY SAND (SM) — dark yellowish brown (10YR 414), moist, loose; 85% >. <br /> fine sand, 15% silt. m <br /> v <br /> U <br /> C <br /> 4 <br /> U <br /> 6- <br /> 12 <br /> _ O � <br /> 1 <br /> � U <br /> Q m <br /> m <br /> U c <br /> 18- <br /> 20 <br /> Becomes medium dense. <br /> ML SILT WITH SAND (ML) — strong brown (7.5YR 516), wet, very stiff; <br /> 24 90-95% silt, 5-10% fine sand. <br /> 23 <br /> CL CLAY (CL) — greenish gray (10Y 5/1), wet, very stiff; 95% clay, 5% silt. <br /> v <br /> 30 32 <br /> 4 - - <br /> SW WELL—GRADED SAND (SW) — greenish gray (10Y 5/1), wet, medium dense; o <br /> 95% sand, 5% silt. ro <br /> a = <br /> 3S 25 � <br /> Bottom of boring at 37 feet bgs. m <br /> Converted to equivalent standard penetration blows/foot.) C <br /> w <br /> N <br /> 16 <br /> 42 <br /> JOB NUMBER: 140193.14 Page 1 of 1 <br />