Laserfiche WebLink
Settler-Ryan. Inc. Log of Boring Mw-14 <br /> 4 PROJECT: Tosco (78) Service Station No. 1095 LOCATION: 18500 South Interstate 5, Lathrop, CA <br /> GR PROJECT NO. : 140193.12 CASING ELEVATION: 14.29 feet (MSL) <br /> DATE STARTED: 05/29/02 WL (ft. bgs): 8.0 DATE: 05/29/02 TIME: 09.00 <br /> DATE FINISHED: 05/29/02 WL (ft. bgs): 7.44 DATE: 05/29/02 TIME: 13.15 <br /> DRILLING METHOD: 8 in. Hollow Stem Auger TOTAL_ DEPTH: 21 feet <br /> DRILLING COMPANY: ..._Woo_dw-ar�dDr0ng_ — _ _ GEOLOGIST: Andrew Smith <br /> w <br /> * m <br /> F_: o U) <br /> ~ z a WELL DIAGRAM <br /> Q. � W _j GEOLOGIC DESCRIPTION <br /> 2^ n U) J J 2 U <br /> ID x d a CL <br /> J <br /> wa o f oa a W o <br /> (L m U) U) C7 -U7 <br /> SM SILTY SAND (SM) - brown (10YR 5/3), moist, loose: <br /> 70% sand, 20% silt, 10% gravel. u <br /> m <br /> 4 U <br /> C O � <br /> m`r c <br /> U <br /> h <br /> 0 18 <br /> G <br /> 0 18 MS-74 i Color changes to grayish brown (10YR 5/2), becomes = -0 <br /> $ Q' medium dense: 25% fine sand, 25% silt. <br /> t f_- 0 62 = <br /> ML SILT WITH SAND (ML) - grayish brown (IOYR 5/2), — <br /> wet, hard; 85% silt, 15% fine sand. o - <br /> - - <br /> 12 U _ " <br /> b " <br /> O <br /> CU <br /> t <br /> 0 29 Becomes very stiff; 75-80% silt, 20-25% fine sand. _ <br /> 16 N = <br /> SW-SMWELL-GRADED SAN❑ WITH SILT (SW-SM)- grayish = <br /> brown (IOYR 5/2), wet, dense; 90% sand, 10% silt. <br /> 20 -_0 48- - - Q _ <br /> Bottom of boring at 21 feel bgs. <br /> (* = Converted to equivalent standard penetration <br /> blows/foot.) <br /> 24- <br /> 28-L <br /> 4 2$ <br /> JOB NUMBER: 140193.12 Page 1 of 1 <br />