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Settler-Ryan, Inc. Log of Boring SP-10 <br /> PROJECT: Tosco (78) Service Station No. 11195 LOCATION: 18500 South Interstate 5, Lathrop, CA <br /> v <br /> GR PROJECT NO. : 140193.14 CASING ELEVATION: <br /> DATE STARTED: 12/11/02 WL (ft. bgs): 15.0 DATE 12/11/02 TIME; 09:30 <br /> DATE FINISHED: 12/11/02 WL (ft. bgs); DATE; TIME: <br /> DRILLING METHOD: 8 in. Hollow Sfem Auger TOTAL DEPTH: 32 feet <br /> DRILLING COMPANY: Cascade Drilling GEOLOGIST: Andrew Smith <br /> * F_: a M WELL DIAGRAM <br /> �2 z to <br /> _ a GEOLOGIC DESCRIPTION <br /> � W U J <br /> Z^ U] J 2 C] <br /> d <br /> a_ o n_ <br /> M: a <br /> W� � Q Q O <br /> O m ch C] U7 <br /> Asphalt and base rock - 6 inches thick. A.- >. <br /> 5M w <br /> SILTY SAND (5M) - strong brown {7.5YR 416), moist, medium dense; 70% <br /> sand, 30% silt. <br /> U <br /> t <br /> _ O <br /> U <br /> 6 - <br /> U <br /> f2 <br /> d <br /> Eb <br /> Q m <br /> - u c <br /> `t <br /> ro <br /> 'o <br /> {B <br /> ML SILT (ML)- brown (10YR 5/3), wet, stiff; 95% silt, 5% clay. <br /> CL CLAY (CL) - brown (10YR 5/3), wet, very stiff; 100% clay. <br /> 24 <br /> C <br /> 0 <br /> r � <br /> v <br /> q — — <br /> SP-SM POORLY GRADED SAND WITH SILT (SP-SM) - dark grayish brown (10YR o <br /> 4/2), wet, medium dense; 90% fine sand, 10% silt. a <br /> 30 <br /> Bottom of boring at 32 feet bgs. m <br /> (1E = Converted to equivalent standard penetration blows/foot.) <br /> 0 <br /> 36 <br /> �k <br /> 42 <br /> JOB NUMBER: 140193.14 Page 1 of 1 <br />