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Total depth of boring, 16-1/2 FeetDiameter of boring;61!Z±Inch Date drilleds 10/21/93 <br /> Casing diameters NA Leii NA Slot sizes NA <br /> Screen diameter, NA Length: NA Material types NA <br /> Drilling Company: WESTER Driller: Mark/John <br /> Method Usedi Hollow-stem auger. California modified tit--s oon Field Geologist, Claudio Avila <br /> Signature of Registered Professional' <br /> � ' , <br /> Registration No,: 4313 Stat!. California <br /> MEASURED SAMPLE 3003 USCS WELL <br /> DEPTH NO. m 2'i'®' CODE DESCRIP7iQP9 CONST. <br /> 0 , <br /> Developed land <br /> 2 . <br /> 4 <br /> 6 S-5 27 ppmv ML Clayey silt, moderate yellowish brown dry, low plasticity, <br /> very stiff <br /> 8 <br /> 10 <br /> 12 <br /> S-10 26 <br /> ppmv <br /> 14 - <br /> 16 — <br /> 4 16 S-15 4ppmv Q Silt some tine-grained sand, moist non-plastic, medium stiff •. <br /> Borina terminated at 16-1/2 feet <br /> 1$ Hydrapunch sampled from 16-1/2 to 20 feet <br /> Boring back died with neat cement <br /> LOG OF BORING.- HP-6 PLATE <br /> i—�►/��s RUIZ Grocery Store <br /> 4491 West Durham Ferry Road <br /> PROJECT NO. 123020 FOIE NO Tracy, California <br /> 3020A10A <br />