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Gettler-Ryan, Inc. Log of Boring B-5 <br /> PROJECT: Tosco (Former 8P) Service Station No. 11195 LOCATION: 16500 South Interstate 5, Lathrop, CA <br /> GR PROJECT NO. : 140193.11 SURFACE ELEVATION: <br /> DATE STARTED: 02/25/02 WL (ft. bgs): 10.0 DATE: 02/25/02 TIME: 08:55 <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 /> CrW <br /> m m <br /> I.-: o to <br /> Z _j U) <br /> Q w w J GEOLOGIC DESCRIPTION REMARKS <br /> _^ Q _j - 2 U <br /> d d J <br /> W °�' o Q a cc o <br /> L3 o co cn co cn <br /> Asphalt over base rock - 6 inches thick, <br /> SP-SMI POORLY GRADED SAND WITH SILT (SP-SM) - brown (7,5YR 4/2), <br /> moist, loose; 90% fine sand, 10% silt, <br /> Boring backfilled <br /> with neat cement <br /> from the bottom to <br /> ground surface, <br /> 2 <br /> 4- <br /> 0 <br /> 6 <br /> SP POORLY GRADED SAND (SP) - dark yellowish brown (10YR 3/4), <br /> moist, loose; 95% fine sand, 5% silt. <br /> ML SILT (ML) - grayish brown (10YR 5/2), moist, soft; 90% silt, 10% <br /> fine sand. <br /> SP POORLY GRADED SAND (SP) - grayish brown (1OYR 5/2), moist, <br /> 0 B-5-9 medium dense; 95% fine sand, 5% silt. <br /> 0 B-5 Grab groundwater <br /> sample 13-5. <br /> 1� SW WELL-GRADED SAND (SW) - grayish brown (10YR 5/2), wet, <br /> medium dense; 95% fine to coarse sand, trace of silt, <br /> 12 ° <br /> Bottom of boring at 12 feet bgs. <br /> 14 <br /> JOB NUMBER: 140193.11 Page 1 of 1 <br />