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Gettler-Ryan, Inc. Log of Boring B-4 <br /> PROJECT. Tosco lFormer 8P) Service Station No. 11195 LOCATION: 18500 South Interstate 5, Lathrop, CA <br /> GR PROJECT NO. : 140193.11 SURFACE ELEVATION: <br /> DATE STARTED: 02/25/02 WL (ft. bgs); 9.5 DATE: 02/25/02 TIME: 10:00 <br /> DATE FINISHED: 02/25/02 WL (ft. bgs): DATE; TIME: <br /> DRILLING METHOD: 2 in. Geoprobe, direct push TOTAL DEPTH: 12 feet <br /> DRILLING COMPANY: Gregg Drilling GEOLOGIST: Andrew Smith <br /> LU <br /> M cD <br /> H O Ul <br /> Z J U7 <br /> o. Ld w _j GEOLOGIC DESCRIPTION REMARKS <br /> 2 4 JJ 2 U <br /> Ql a d a- <br /> (D <br /> 0. N O Q <br /> O"" a_ 00 o7 fJ U] <br /> Asphalt over base rock - B inches thick. <br /> SP POORLY GRADED SAND (SP) - brown (10YR 4/3), moist, loose; <br /> 95% fine sand, 5% silt, Boring backfilled <br /> with neat cement <br /> from the bottom to <br /> ground surface. <br /> 2- <br /> 4- <br /> 0 40 <br /> 8 <br /> 0 B-4-9 <br /> 0 B-4 ML Q SILT WITH SAND (ML) - grayish brown (10YR 5/2), moist, medium Grab groundwater <br /> stiff; 75% silt, 25% fine sand. sample e-4. <br /> 10 <br /> SW WELL-GRADED SAND (SW)- dark yellowish brown (10YR 414), <br /> 12 0 moist, medium dense; 100% sand, trace silt. <br /> Bottom of boring at Q feet bgs. <br /> i4 <br /> JOB NUMBER: 140193.11 Page I of I <br />