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BORING LOG =< <br /> Geological Audit Services, Inc <br /> Project: Puregro s• <br /> �. Project Number: 640-S Drilling Co.: West Hazmat Drilling Date : 2,/10/93 <br /> Field Geologist: Marty/McKibben Auger Type: 10' Hollow Stem Boring: B-3 (MW-2) <br /> DEPTH SAMPLE OV BLOW GROUP SOIL DESCRIPTION <br /> (FEET) IDENTIFICATION READING CNTS. SYMBL. <br /> (PPM) <br /> i.r <br /> 17 Medium brown, slightly damp, medium sand to silt, <br /> B3-5 0 28 SM no hydrocarbon odor. some reddish-brown mottling <br /> 36 <br /> --------- -------------------------------------------------------------- ----------- <br /> 9 Gray-brown to gray, damp, slightlly sandy silt, <br /> " 1 0 133-10 0 14 no hydrocarbon odor. <br /> 30 <br /> 9 Blue-gray to brown ,reddish-brown mottling, damp, <br /> 63-15 0 12 ML sandy sift , no hydrocarbon odor. <br /> 30 <br /> 11 Blue-gray, black discoloration, damp, sandy silt, <br /> 20 133-20 505 18 very strong hydrocarbon odor. <br /> 31 <br /> --------- -------------------------------------------------------------------------- <br /> 16 Blue-gray, moist, medium-grained sand, <br /> 133-25 0 60 SW slight hydrocarbon odor. <br /> Bottom of boring 28 feet <br /> 30 - <br /> 40— <br />