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Gettler-Ryan, Inc, Log of Boring SP--2 <br /> ro. <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: 13:15 <br /> DATE FINISHED: 12/09/02 WL (ft. bgs); DATE: TIME: <br /> DRILLING METHOD: 8 in. Hollow Stem Auger TOTAL DEPTH: 35 feet <br /> DRILLING COMPANY: Cascade Drilling GEOLOGIST: Andrew Smith <br /> * h o cn WELL DIAGRAM <br /> rz cn <br /> LL w J GEOLOGIC DESCRIPTION <br /> r <br /> � a d <br /> a v o < a <br /> w� —1 ¢ a p <br /> 0 m LO U) <br /> SM SILTY SAND (SM) - dark yellowish brown (10YR 4/4), moist, loose; 65% <br /> fine sand, 15% silt. <br /> o <br /> 4 <br /> U <br /> s .d O 4s <br /> Q � E <br /> U � <br /> � U <br /> a <br /> o, m <br /> fi m <br /> U C <br /> 18 SW WELL-GRADED SAND (SW) - dark grayish brown (10YR 5/2), wet, mediumIn <br /> dense; 100% fine to coarse sand. -0 <br /> 19 <br /> ML SILT WITH SAND (ML) - dark grayish brown (10YR 4/2), moist, very <br /> stiff; 75-80% silt, 20-25% fine sand. <br /> 5W-SMWELL-GRADED SAND WITH SILT {Sw-SM) - dark grayish brown (10YR <br /> 24 5/2), moist, medium dense; 90% fine to coarse sand, 10% silt. <br /> 29 <br /> m <br /> 6 <br /> t <br /> 4�Q] <br /> 30 26 _ Q <br /> 4 <br /> H <br /> 33 ` <br /> CD <br /> 36 Bottom of boring at 35 feet bgs. ro <br /> (* = Converted to equivalent standard penetration blows/foot.) v <br /> 4 <br /> l IL <br /> 9k <br /> 42-J <br /> JOB NUMBER: 140193.14 page 1 0f 1 <br />