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W SAMPLE <br /> U. <br /> =J JC <br /> o ` DESCRI!' ION 00 <br /> a20 <br /> Q CH 20.0 - 22.5 feet: SILTY MAY, gray-green, <br /> hard, medium to high plasticity, damp. <br /> P <br /> 22 <br /> L 22.5 - 27.0 feet: SANDY SILT, gray-brown, hard, �? <br /> non-plastic, moist with fine•-grained sand. <br /> 24 <br /> KDC <br /> 112_ �.. <br /> 26 <br /> At 26.5 feet: Becoming more sandy. <br /> C'3 <br /> 28- SM 27.0 - 33.0 feet: SILTY AND, gray-brawn, dense, <br /> fine-grained, poorly graded, moist, iron- d• .b <br /> KDC oxide staining. n LU <br /> 30- <br /> 113 <br /> At 29.5 feet: Very slight old petroleum — i Z <br /> odor, not detected by GX-3. v <br /> 32 <br /> SP 33.0 - 37.5 feet: SAND, light yellow-gray, dense, <br /> fine-grained, poorl graded, damp. <br /> 34 <br /> KDC At 35.0 feet: Slig t petroleum odor, 5% LEL , - <br /> 114 reading. _ <br /> 36 <br /> SC 37.50 - 40.0 feet: CLAYS SAND, gray-brown, dense <br /> Z medium to coarse-gr ined, poorly graded, 5% <br /> 38- _ LEL reading. <br /> — a <br /> KDC At 37.5 feet: Water'. Petroleum odor, 5% LE .. . <br /> 40 115 readi n w <br /> Bottom of drill hole at a depth of 40.0 feet. v Q <br /> ¢ N <br /> CL <br />` a r} <br /> Lu <br /> o± 3: <br /> C'} <br /> IT Enviroscience KAYO IL COMPANY PLATE <br /> 18I5 Arnold Drive a Martinez, CA 94553 800 K TTLEMAN <br /> Telephone (415) 228-8400 LOD I, CALIFORNIA S <br /> PREPARED BY LOG 0 BORING NO. MW-6 Continued (� <br /> CHECKED BY KF'q 11PROJECT NO. : <br />