Pset_LabTestCommon Properties describing the laboratory test used to obtain the associated results. IfcGeoScienceObservation/LABTESTRESULT IfcGeoScienceObservation/LABTESTRESULT TestMethod Name of the test method that was used to optain the exchanged results. TestStandard Reference to standard that describes the test merthodology. TestType Discipline responsible for performing the tests and using ist results.