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i <br /> Total depth of boring,23-1/2 Feet Diameter of borings 6-1/4 Date drlllo6 11/21/92 _ <br /> Casing diameter N/A Lengtbj N/A _ Slot alze, N/A <br /> Screen demeteri N/A Length, N/A Material types N/A <br /> Drilling Company, WESTEX Drier. Chris/Mike <br /> Method Vaeds Hollow–stem auger, California modified split– n FI*W ©e loglab Claudio Avila <br /> Signature of Registered Professlonsls <br /> Registration No.. 4313 S el California <br /> WAS SAMPLE 30 PJD. USCS DESCRIPTION WELL <br /> DEPTH NO. ` CODE COST. <br /> 0 - <br /> Asphalt and gravel fill <br /> 2 "+ <br /> 4 — <br /> S-5 12 PPmv Sia Sand trace silt, fine–grained, moderate brown, dry, non–plastic, <br /> medrum dense <br /> 10 S-10 21 my <br /> 12 - <br /> - 14 — <br /> S-15 <br /> - <br /> S-15 31 0 Sw Sand, fine– to coarse–grained, moderate yellowish brown, dry, <br /> ppmv medium dense <br /> 16 , <br /> 18 •-' <br /> L00 OF BORING, B-13 PLATE <br /> i��/��■� ARCO Service Station No. 6020 <br /> 1711 Yosemite avenue A19 <br /> PROJECT NO. 30056 0055E9A Manteca, California <br />