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Gettler-Ryan, Inc. Log of Boring B-1 <br /> PROJECT: Tosco (Former 9P) 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: U50 <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 Chilling GEOLOGIST: Andrew Smith <br /> LU <br /> M <br /> M 1- o cn <br /> => Z J in <br /> a Uj Cu GEOLOGIC DESCRIPTION REMARKS <br /> 2^ L J J 2 U <br /> Q_ d d <br /> iL <br /> W Q O 0 <br /> (D O � Q� ry 4 <br /> O" 0. Cn cn C9 C0 <br /> SP-SM POORLY GRADED SAND WITH SILT (SP-SM) - dark brown (7.5YR <br /> 3/3), moist, medium dense; 90% fine sand, 10% silt, trace roots. <br /> Boring bacl(filied <br /> with neat cement <br /> from the bottom to <br /> ground surface. <br /> 2 <br /> 4 <br /> 6 0 <br /> 5M SILTY SAND ISM) - grayish brown (IOYR 5/2), moist., medium <br /> dense; 60-85% fine sand, 35-40% silt, trace gravel. <br /> 8- <br /> 0 8-1-9 <br /> 0 B-1 <br /> Grab groundwater <br /> sample B—I. <br /> 10 <br /> SW WELL-GRADED SAND (SW)- yellowish brawn (IGYR 5/4), wet, <br /> 12 medium dense; 100% sand. <br /> Bottom of boring at 12 feet bgs. <br /> 14 <br /> JOB NUMBER: 140193.11 Page 1 of 1 <br />