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Gettler-Ryan, Inc. <br /> Log of Boring SP-7 <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: 12111102 WL (ft. bgs): 15.0 DATE: 12111/02 TIME: 11:30 <br /> DATE FINISHED: 1211V02 WL (ft. bgs): DATE: TIME: <br /> DRILLING METHOD: 8 in. Hollow Stem Auger TOTAL DEPTH: 32 feet <br /> DRILLING COMPANY: Cascade Drilling GEOLOGIST: Andrew Smith <br /> o WELL DIAGRAM <br /> LU v < GEOLOGIC DESCRIPTION <br /> 2-- Cn J 2 U <br /> a <br /> W J Q Cr O <br /> Asphalt and base rock — 6 inches thick. . <br /> 5M SILTY SAND (SM) — strong brown (TSYR 4/6), moist, medium dense; 70% v <br /> v <br /> sand, 30% silt. <br /> 0 <br /> T . <br /> 6 <br /> U <br /> 4 <br /> 12 <br /> v <br /> C o <br /> `=: C <br /> vj <br /> Q � v <br /> - N <br /> Y <br /> C <br /> - ro <br /> a <br /> 1a ML SILT (ML)— strong brown (75YR 4/6), moist, very stiff; 00% silt, 10% <br /> clay. <br /> 25 <br /> SP POORLY GRADED SAND (SP) — grayish brown {1OYR 5/2), wet, medium <br /> 24 dense; 100% sand. <br /> 0 <br /> 18 m <br /> a <br /> m <br /> CL <br /> 30 <br /> 19 -6 <br /> Bottom of boring at 32 feet bgs, m <br /> {* = Converted to equivalent standard penetration blows/foot.) <br /> 0 <br /> w <br /> N <br /> 36 <br /> 42 <br /> JOB NUMBER: 140193.14 Page 1 of 1 <br />