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Gettler—Ryan, Inc. Log of Boring SP--4 <br /> PROJECT: Tosco (76) Service Station No. 11195 LOCATION: 18500 South Interstate 5, Lathrop, CA <br /> GR PROJECT NO. : 140193.14 CASING ELEVATION: <br /> DATE STARTED: 12109102 WL (ft, bgs); 15.0 DATE: 12109102 TIME: 16:30 <br /> DATE FINISHED: 12109102 WL (ft, bgs): DATE; TIME: <br /> DRILLING METHOD: 8 in. Hollow Stem Auger TOTAL DEPTH: 30 feet <br /> DRILLING COMPANY: Cascade Drilling GEOLOGIST: Andrew Smith <br /> r o [n <br /> CL L) GEOLOGIC DESCRIPTION WELL DIAGRAM <br /> 2^ n J Z CJ <br /> N d d J <br /> b < Q Q <br /> LLf� 0-- 0 O <br /> O d Ln LD U7 <br /> SP SILTY SAND (SM) - dark yellowish brown (10YR 4/4), moist, loose; 85% N <br /> fine sand, 15% silt. w <br /> a <br /> U <br /> C <br /> U <br /> U <br /> U <br /> Q <br /> O C <br /> I2 D <br /> V] ro <br /> � ro <br /> ML SILT WITH SAND (ML) - strong brown (T.5YR 5/6), wet, very stiff ° <br /> 1$ 80-85% silt, 15-20%fine sand, <br /> m <br /> SW WELL-GRADED SAND (SW)- dark grayish brown (IOYR 4/2), wet, <br /> 24 medium dense; 95% sand, 5% silt. - - <br /> df <br /> Q <br /> r6 <br /> 30 Bottom of boring at 30 feet bgs. <br /> (* = Converted to equivalent standard penetration blows/foot,) <br /> 0 <br /> w <br /> ti <br /> 36 <br /> 42 <br /> JOB NUMBER: 140193.14 Page 1 of 1 <br />