Pset_SpatialGeoObsSample Common properties for samples. IfcGeoScienceObservation/INSITUTESTRESULT IfcGeoScienceObservation/LABTESTRESULT IfcGeoScienceObservation/INSITUTESTRESULT,IfcGeoScienceObservation/LABTESTRESULT SampleType Type of a sample with respect to sampling method and material, with e.g. enumerations as defined in AGS. SampleBoreholeDepthRange Relative top and bottom depths of a borehole where a sample was retrieved. SampleProcedure Description of steps performed by a Sampler in order to extract a Sample from its sampledFeature in the frame of a Sampling. SamplePurpose Provides the reason why the sample was collected, planed methods for testingand analysis. SamplingPointType Specifies the location from where the material sample was obtained, e.g. outcrop point, tunnel chainage, any other local reference.