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' BORING LOG <br /> 4—• eolocili al Audit Services. Inc, <br /> v <br /> --a= <br /> Project Pacific Gas <br /> Project Number 652-S Drilling Co West Hazmat Drilling Date 3/3/93 <br /> tField Geologist McKibben Auger Type 8' Hollow Stem Boring B-4 <br /> DEPTH SMAPLE ov BLOW GROUP SOIL DESCRIPTION <br /> ' <br /> (FEET) IDENTIFICATION READING CNTSL SYMBL <br /> (PPM) <br /> 7 Gray to brown, moist, very fine sand with silt and clay, rust <br /> 10 134-10 0 7 mottling, no hydrocarbon odor <br /> ML <br /> M134-15 0 Gray to brown, slightly damp, very fine sand with silt, <br /> rust mottling, no hydrocarbon odor <br /> 15 <br /> 20 134-20 0 19 Gray to brown, slightly damp, fine sandy silt with clay, <br /> 23 rust and black mottling, no hydrocarbon odor <br /> --- ----- --- ------- -- --- ---------------- - ------------ --------- - -- -- <br /> B4-25 0 <br /> ' Brownish gray, moist, silty sand, rust mottling, mod SM sewage odor <br /> ' Perched water encountered at 25 feet <br /> 15 ---- ---- --- -- - - ---- ------------------ - ---- - <br /> 30 64-30 0 20 ML Brown, damp, sandy sift, no hydrocarbon odor <br /> 24 <br /> 18 SM Gray,wet, micaceous silty sand, minor sewage odor <br /> 64-35 0 21 <br /> 25 Bottom of boring 35 feet <br /> 40 <br /> I <br /> i <br />