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1 <br /> SANpLE 19 USC S DESCFiVT10N WELL <br /> DEM N0. P�'D' CODE CONST. <br /> 20 <br /> S-21 38 pPmv ML Silt, as at 5 ft <br /> 22 <br /> 24 <br /> I <br /> S-26 21 34 Silt, trace clay, moderate yellowish brown, slightly <br /> 26 ppmv damp, very stiff <br /> 28 <br /> I <br /> 30 <br /> S-31 15 71 <br /> ppmv SM Silty sand, fine—grained, moderate yellowish <br /> 32 brown, slightly damp, medium dense <br /> 34 <br /> 36 S-36 33 188v ML Silt, moderate yellowish brown, slightly damp, hard <br /> PPn <br /> 38 <br /> 40 <br /> S-41 22 263 Silt, some clay, olive gray mottled with moderate <br /> ppmv yellowish brown, slightly damp, very stiff <br /> 42 <br /> 44 <br /> S-46 50 158 Silt, moderate yellowish brown slightly damp, hard <br /> 46 ppmv with white calcite veins <br /> - 48- <br /> S-49 <br /> 8S-49 29 164 Silt, some clay, moderate yellowish brown, slightly <br /> ppmv damp, very stiff <br /> 50 TD Total depth = 49-1/2 feet <br /> Boring Terminated to construct vapor—extraction well <br /> ��rt� LOG OF BORING: B-6/VW-1 PLATE <br /> S�AWIMA Unocal Service Station No. 6981 <br /> 4707 Pacific Avenue 5 <br /> PROJECT NO. 38032 8 32G4B Stockton, California <br />