Mr. Alex Salcedo has served as Arias’ Director of Laboratory services for fifteen (15) years and is responsible for the technical quality of the laboratory testing performed by Arias. His numerous certifications reflect his extensive knowledge and experience in the testing of various materials. He has been in the geotechnical and CMT industries since 1993. His laboratory experience includes testing of the following materials: asphaltic concrete, concrete, soils, masonry and aggregates. His field experience includes: monitoring of foundation installation, reinforcing steel observation, concrete placement observation and testing, post-tension observation, and in-place density testing of soil, aggregate, and asphalt.