American Society for Testing and materials.Committee D-18 on Soils for Engineering Purposes American Society for Testing and Materials.Committee D-18 on Soil and Rock for Engineering Purposes American society for testing and materials.Committee G-1 on Corrosion of metals American Society for Testing and Materials.Committee E-8 on Nomenclature & Definitions American Society for Testing and Materials.Committee E-2 on Emission Spectroscopy American Society for Testing and Materials Committee E-24 on Fracture Testing of Metals American Society for Testing and Materials.Committee E-24 on Fracture Testing of Metals. American Society for Testing and Materials.Committee G-1 on Corrosion of Metals American Society for Testing and Materials Committee E-24 on Fracture Testing of Metals. American Society for Testing and Materials,Committee E-2 on Emission Spectroscopy