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BORING LOG =� <br /> = _ Geological Audit Services, Inc. <br /> Project: Puregro <br /> Project Number: 640-S Drilling Co.: West Hazmat Drilling Date : 2,/11/93 <br /> Field Geologist: Marty Auger Type: 10' Hollow Stem Boring: B-5 (MW-4) <br /> DEPTH SAMPLE Ov BLOW GROUP SOIL DESCRIPTION <br /> (FEET) IDENTIFICATION READING CNTS. SYMBL. <br /> (PPM) <br /> 21 Brown, slightly damp, sandy sift with clay, <br /> 65-5 0 50 ML no hydrocarbon odor <br /> w <br /> ----- - -------------------------------------------------------------------------- <br /> 10 Medium brown, slightly damp, sandy sift to silty sand, <br /> 1 0 135-10 0 10 SM no hydrocarbon odor. <br /> 23 <br /> --------- -------------------------------------------------------------------------- <br /> Light brown, slightly damp, medium-grained , well sorted <br /> SW sand. <br /> ---- - -------- ---- --------- - ----- - <br /> 6 <br /> Discoloration, hydrocarbon odor at 14 feet <br /> 65-15 0 7 ML Blue-gray, slightly damp, sandy sift, <br /> 10 slight hydrocarbon odor. <br /> --------- -------------------------------------------------------------------------- <br /> 4 SM- Blue-gray, very wet, silty sand to sandy silt, <br /> 20 85-20 0 11 ML slight hydrocarbon odor. <br /> 22 <br /> --------- -------------------------------------------------------------------------- <br /> 9 ML Blue-grey, slightly damp, slightly sandy sift with clay, <br /> 65-25 0 20 no hydrocarbon odor. <br /> 35 <br /> Bottom of boring 25 feet <br /> 30 - <br /> 40 — <br />