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Gettler—Ryan. Inc. Log of Boring SP-15 <br /> s: <br /> t`' ) PROJECT: Tosco (78) Service Station No. 11195 LOCATION: 16500 South Interstate 5, Lathrop, CA <br /> GR PROJECT NO. : 140193.14 CASING ELEVATION: <br /> DATE STARTED: 12/12/02 WL (ft. bgs); DATE: TIME: <br /> DATE i=INISHED: 12/12/02 WL (ft. bgs); DATE: TIME: <br /> DRILLING METHOD: 8 in. Hollow Stem Auger TOTAL DEPTH: 32 feet <br /> DRILLING COMPANY: Cascade Drilling GEOLOGIST: Jeremy Smith <br /> * o fn WELL DIAGRAM <br /> LL w v a GEOLOGIC DESCRIPTION <br /> U <br /> w� d v o ¢ d <br /> W- J Q = O <br /> 0— Co U] COU7 <br /> Asphalt and base rock - 6 inches thick. <br /> SM SILTY SAND (SM)- brown (2.5Y 414), moist. <n <br /> AAA <br /> v <br /> U <br /> C <br /> 0 <br /> U <br /> Not logged or sampled. <br /> O � <br /> Q U <br /> QY <br /> U7 � <br /> 15 <br /> ML CLAYEY SILT IML) - brown (2.5Y 414), moist, very stiff, m <br /> q <br /> 20 19 <br /> 25 22 - <br /> - - o <br /> - - m <br /> 5P-SM POORLY GRADED SAND WITH SILT {5P-SM) - brown (2.5Y 414), <br /> saturated, medium dense; 90% medium grained sand, 109 silt, o <br /> A, <br /> 30 2} <br /> Bottom of boring at 32 feet bgs. <br /> N = Converted to equivalent standard penetration blows/foot,) <br /> 35 <br /> JOB NUMBER: 140193.14 Page 1 0f 1 <br />