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Key To Test Pit and Boring Log Symbols <br />1 <br />SAMPLING DESCRIPTIONS <br />LOG GRAPHICS <br />Soil and Rock <br />Sampling Symbols Instrumentation Detail <br /> <br />Observed contact <br />Ground Surface <br />between soil or rock <br />Well Cap <br />Sample <br />units (at depths <br />Well Seal <br />Recovery <br />indicated) <br />Sample <br />Interval <br />Well Pipe <br />Inferred contact <br />Piezometer <br />between soil or rock <br />units <br />(at approximate <br /> Well Screen <br />Sampler <br />depths indicated) <br />Piezometer <br />Type <br />Bottom of Hole <br />Geotechnical Testing/Acronym Explanations <br />PPPocket PenetrometerSIEVSieve Gradation <br />SCSand ConeDDDry Density <br />DCPDynamic Cone PenetrometerATTAtterberg Limits <br />SPStatic PenetrometerCBRCalifornia Bearing Ratio <br />TORTorvaneOCOrganic Content <br />CONConsolidationRESResilient Modulus <br />DSDirect ShearVSVane Shear <br />P200Percent Passing U.S. Standard No. 200 SieveHCLHydrochloric Acid <br />UCUnconfined Compressive StrengthkPakiloPascal <br />PLPlasticity LimitGPSGlobal Positioning System <br />PIPlasticity IndexbgsBelow ground surface <br />LLLiquid LimitMSLMean Sea Level <br />HYDHydrometer Gradation <br />Environmental Testing/Acronym Explanations <br />bgsBelow ground surfaceATDAt Time of Drilling <br />CASample Submitted for Chemical AnalysisNSNo Sheen <br />PIDPhotoionization Detector Headspace AnalysisSSSlight Sheen <br />PPMParts Per MillionMSModerate Sheen <br />NDNot DetectedHSHigh Sheen <br />1 <br />Note: Details of soil and rock classification systems are available on request. <br />Rev. 04/29/09 <br />