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rte. <br /> USGS <br /> WELL A tdO�E <br /> WELLPAD. CODE DESCRIPTION , <br /> m C�ItS7. <br /> S-20 22 0 SM Silty sand, fine-grainer}, light olive-brown, ! <br /> 20 ppm slightly damp, medium dense. <br /> 2:z <br /> 24-5-25 33 <br /> PPM Silt, trace clay and fine-grained sand, light <br /> 26 ,11L jolive-brown, <br /> slightly damp, sl,ght plasticity, <br /> hard. <br /> 28 _ <br /> 30- S-30 41 ppM SP Sand, trace clay, fine-to medium-grained, , .. <br /> Moderate brown, dry, dense. <br /> .i <br /> 32 <br /> 34 <br /> 5-35 38 0 ML Silt. light otive-gray, slightly damp, slight <br /> PPM plasticity, hard. <br /> 36- <br /> 38- <br /> 0 <br /> fi 38Q 3P Sand, fine-to medium- rained, olive gray, dam •• <br /> . 40-S-40 37 ppm 9 9 Y- F• <br /> dense. <br /> 42 Total depth = 41 feet. <br /> Grcund-water not encountered In boring. <br /> Boring terminated to evaluate hydrocarbon <br /> 44 contamination. <br /> Boring backfilled with cement/bentonite slurry. <br /> 46 <br /> 48 <br /> I <br /> 50 <br /> LOG OF BORING_- -B-_6- -PLATE <br /> Former Unocal Service Stailon No. 2859 <br /> App!!sa c.�osr.�ra.,,s 1666 Paclflc Avenue P-13 <br /> PROJECT Na. 38012-5 Stockton, California <br />