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Settler-Ryan, Inc. Log of Boring MW-13 <br /> ( f 3 PROJECT: Tosco76)( Service Station No, 11195 LOCATION: 16500 South Interstate 5, Lathrop, CA <br /> .sf., <br /> GR PROJECT NO. : 140193.12 CASING ELEVATION: 15.23 feet (MSL) <br /> DATE STARTED: 05/29/02 WL (fl. bgs): 10.0 DATE: 05/29/02 TIME: 11.00 <br /> DATE FINISHED: 05/29/02 WL (ft. bgs): 8.03 DATE: 05/29/02 TIME; 13.05 <br /> DRILLING METHOD: 8 in. Hollow Stem Auger TOTAL DEPTH: 21 feet <br /> -DRILLIN-CL-COMP_ANY:--Woo0wardDriling GEOLOGIST: _Andrew Smith <br /> w <br /> m <br /> * o U) <br /> _ z <br /> C LL ? a GEOLOGIC DESCRIPTION WELL DIAGRAM <br /> _.• a n _j -1 z v <br /> v <br /> CL C <br /> J <br /> w�' of a a W o <br /> Co u) cn 3 in <br /> SM SILTY SAND (SM) - brown 00YR 5/3), moist, loose; C <br /> 70% sand, 20% sill, 10% gravel. m <br /> 4 v <br /> 4 U <br /> R ro <br /> QI Q <br /> j C <br /> AL <br /> SP-SM POORLY GRADED SAND WITH SILT (SP-SM) - light <br /> 4 olive brown (2.5Y 514), moist, medium dense; 90% fine = o <br /> sand, 10% silt. Oj <br /> r - <br /> �° <br /> 0 17 MW-13 <br /> S-5.5 <br /> X. <br /> 8 i = <br /> 0 23 SW-SM WELL GRADED SAND WITH SILT (SW-SM) - light olive — <br /> $t brown (2.5Y 5/4), wet, medium dense; 90% sand, 10% _ <br /> silt. _ <br /> c — <br /> O — b <br /> 12 a y <br /> X. a <br /> � 6 <br /> O � <br /> 45 <br /> 0 47 Becomes dense. _ <br /> 16 <br /> N — <br /> 2053lb <br /> MLSILT (ML) - brown 00YR 5/3), wet, hard; 90% silt, 10% <br /> clay. <br /> Bottom of boring at 21 feel bgs. <br /> (* = Converted to equivalent standard penetration <br /> blows/foot.) <br /> 24 <br /> 28 <br /> JOB NUMBER: 140193.12 Page I of 1 <br />