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I i <br /> Total depth of borings 38 Feet OkM*ter of boring: 10-1/4 Date drilled 11/20/92 <br /> Casing dlameten 4 Inch Lsngthe 35-1/2__feet Slot Slzei 0 02 Inch <br /> Screen dameters 4 Inch Lengths 20 Feet Materiel types PVC <br /> Drilling Companys WESTEX Drillers Chris Mike <br /> Method Lkeds Hollow—stem auger, California modified split—spoon FI d Oeologlsts Claudio Avila <br /> Signature of Registered Professional. <br /> Registration Nos 4313t i California <br /> WAMB SAMPLE USCS PTD' GODS DESCRIPTION CONST. <br /> DEPTH NO. <br /> 0 <br /> Asphalt and gravel fill <br /> 2 <br /> 4 <br /> 3-5 14 ppmv SM Silty sand, fine—grained. moderate brown, dry, non—plastic, ' <br /> medium dense <br /> 6 <br /> 8 <br /> 10 S-10 17 ppmv SP Sand, fine--grained, moderate yellowish brown, dry, medium dense '. <br /> 12 <br /> SW Sand, fine-- to coarse—grolned, moderate yellowish brawn, dry, <br /> 14 medium dense <br /> S-15 38 0 <br /> ppmv ML Silt some sand, fine—grained, dark yellowish brown, dry, <br /> 16 non—plastic, very stiff <br /> 18 <br /> L LL <br /> �sA �` LOG OF BOR1N0i B-11/MW-4 PLATE <br /> "���.... ,��r r►rrrrr��� <br /> ill/7A ARCO Service Station No. 6020 <br /> 1711 Yosemite avenue A15 <br /> PROJECT NO. 30055 0055E7A Manteca, California <br />