2TM has 25 years experience developing materials sampling and testing plans for a range of complex pavement projects and paving materials. These have included the application of FAA, AASHTO, ASTM and a range of state departments of transportation specifications. We have managed the sampling of materials from sites and provide documentation of chain of custody. We have teamed with the top laboratories in the country to provide a complete range of laboratory testing of soils and paving materials.