Independent Sampling and Auditing Services Independent Sampling and Auditing Services TRI performs independent, third-party audits of manufacturing and construction operations around the world with service locations in the USA, China, Brazil and Australia. Auditors comply with governing specifications and work to document compliance with project-specific quality requirements. TRI provide technical and compliance support for the import / export of geosynthetic products with independent sampling and testing services established around the world For more information and to be taken to the TRI Environmental website View the Website TRI AustinNon Destructive Testing Structural Health Monitoring Advanced Materials Development and Testing Composite Materials Development and Evaluation Applied Reliability Engineering Accelerated Life Testing UAS Reliability and Testing NDIToolbox TRI Air TestingCompressed Air/Gas Testing and Analysis Mold and Bacteria Testing and Analysis TRI EnvironmentalGeosynthetics and Geotechnical Testing Services Erosion Control Materials Testing and Analysis Liner Integrity Survey/Leak Detection Protective Clothing Testing and Certification Education and Training Independent Sampling and Auditing Services Design Support Methane and Water Vapor Barrier Testing and Certification Pipe Testing TRI SolutionsDashboards & Reports ERP Solutions Technology Teams Minerva TRIMarketing Technologies Geo-U TRI Real Estate DevelopmentReal Estate Development