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Gettler-Ryan, Inc. Log of Boring SP-1 <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): 15.5 DATE: 12/09/02 TIME; it-45 <br /> DATE FINISHED: 12/09/02 WL (ft. bgs): DAkE; TIME: <br /> DRILLING METHOD: 8 in. Hollow Stem Auger TOTAL DEPTH: 36 feet <br /> DRILLING COMPANY: Cascade Drilling GEOLOGIST: Andrew Smith <br /> F-: 0 Ln WELL DIAGRAM <br /> F-: Z J M <br /> w M J GEOLOGIC DESCRIPTION <br /> 2^ LA J 2 U <br /> d O Q <br /> W w J Q a: O <br /> M Ln CD fn <br /> SM SILTY SAND (SM) — dark yellowish brown (10YR 4/4), moist, loose; 85% A". . > <br /> fine sand, 15% silt. m <br /> o, <br /> T . <br /> U <br /> C <br /> 9 <br /> U <br /> 12 <br /> CU <br /> d C <br /> Y V] GI <br /> _ j U <br /> Cb <br /> Cb <br /> _ � N <br /> U C <br /> 1$ ML SILT (ML) — yellowish brown (10YR 5/4), wet, stiff; 90% silt, 10% fine <br /> sand. <br /> 10 <br /> 24 <br /> 20 Becomes very stiff; 95% silt, 5% fine sand. <br /> m <br /> 0 <br /> 30 zs <br /> - - <br /> CL <br /> ro <br /> 4 , <br /> N <br /> 23 c� <br /> SW WELL—GRADED SAND (SW) — gray (N5), wet, medium dense; 95% sand, L3j <br /> 36- 5% silt. <br /> Bottom of boring at 36 feet bgs, <br /> Converted to equivalent standard penetration blows/foot.) <br /> m <br /> 42 <br /> JOB NUMBER: 140193.14 Page 1 of 1 <br />