Table A-2 <br />Key To Test Pit and Boring Log Symbols <br />SAMPLING DESCRIPTIONS <br />LOG GRAPHICS <br />Soil and Rock <br />SamplingInstrumentation <br /> Symbols Detail <br />Lithology Boundary: <br />Ground Surface <br />separates distinct units <br />Well Cap <br />Sample <br />(i.e., Fill, Alluvium, <br />Recovery Well Seal <br />Sample <br />Bedrock) at <br />Interval <br />approximate depths <br />Well Pipe <br />inciated <br />Piezometer <br />Soil-type or Material-type <br />Change Boundary: separates soil <br />Well Screen <br />Sampler <br />and material changes within the <br />Piezometer <br />Type <br />same lithographic unit at <br />Bottom of Hole <br />approximate depth indicated <br />Geotechnical Testing Acronym Explanations <br />PPPocket PenetrometerHYDHydrometer Gradation <br />TORTorvaneSIEVSieve Gradation <br />Dynamic Cone Penetrometer <br />DCPDSDirect Shear <br />ATTAtterberg LimitsDDDry Density <br />PLPlasticity LimitCBRCalifornia Bearing Ratio <br />LLLiquid LimitRESResilient Modulus <br />PIPlasticity IndexVSVane Shear <br />P200Percent Passing US Standard No. 200 SievebgsBelow ground surface <br />OCOrganic ContentMSLMean Sea Level <br />CONConsolidationHCLHydrochloric Acid <br />UCUnconfined Compressive Strength <br />Details of soil and rock classification systems are available on request. <br />Rev. 02/2017 <br />