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BORING LOG <br /> — _ Geological Audit Services, Inc <br /> Project: Puregro <br /> Project Number: 640S 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) IDE"FICATION READING CNT . SYMBL <br /> (PPM) <br /> l� <br /> 17 Medium brown, slightly damp, medium sand to silt, <br /> 63-5 0 28 SM no hydrocarbon odor. some reddish-brown mottling <br /> 36 <br /> --------- -------------------------------------------------------------------------- <br /> 9 Gray-brown to gray, damp, slightlly sandy sift, <br /> 1 0 63-10 0 30 no hydrocarbon odor. <br /> 9 Blue-gray to brown ,reddish-brown mottling, damp, <br /> 63-15 0 12 ML sandy silt, no hydrocarbon odor. <br /> 30 <br /> 11 Blue-gray, black discoloration, damp, sandy silt, <br /> 20 B3-20 505 18 very strong hydrocarbon odor. <br /> 31 <br /> -------- -------------------------------------------------------------------------- <br /> 16 Blue-gray, moist, medium-grained sand, <br /> 63-25 0 60 SW slight hydrocarbon odor. <br /> Bottom of boring 28 feet <br /> 30 <br /> 40 <br />