Laserfiche WebLink
I <br /> Total depth of borings 55 ft Diameter of borings 8 in Date drilled, 11/20/91 <br /> Caairlg diameters 4 in Lengths 55 ft Slot sizes 10 <br /> . Screen diameters 4 in Length. 35 ft Material types PVC <br />► Drilling Company: JCON Exploration Drillers Jim Craig <br /> Method Uses Hollow—stem Auger Field Geologists Claudio <br /> Signature of Registered Professionals <br /> Registration Nos 43139 State: Calif <br /> I <br /> DEPTH SAMPLEWELL <br /> P.I.D. USGS DESCRIPTION <br /> NO• m CODE CONST. <br /> I <br /> 0 Asphalt <br /> 2 CL Clay trace silt, black damp <br /> 4 : <br /> S-5 75 Ppmv Light olive green, hard, (orange staining) ' <br /> 6 , <br /> i 8 <br /> 14 S-10 51 pPmv Silty clay (block nodules massive) ' <br /> 12 <br /> 14 - <br /> S-15 51 38 ML Silt some clay, light olive green, slightly damp, •• <br /> pprnv (massive black nodules slight orange staining) <br /> 18 <br /> 2C? 5-20 47 173 <br /> pprnv <br /> (section continues downward) <br />► �t�/�, LOG OF BORING: B-12/VW-5 PLATE t/ <br /> Us Wms aoir Fol <br /> w l VA F■S ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 23 <br /> RLE ND Tracy, California <br /> PROJECT NO. 30041-2 004189A <br />► <br />