CQA Week Slide, October 2024

TRI/Environmental, Inc. (TRI) is a full-service independent laboratory serving a variety of related polymer-centric industries around the world. At our core is a deep understanding of polymeric materials and the characteristics critical to performance. TRI tests, certifies, performs research, develops equipment and provides consulting on plastic materials used in civil, environmental and geotechnical engineering as well as protective clothing.

Materials including geomembranes, geosynthetic clay liners, geotextiles, geogrids, geocells, plastic pipe, rolled erosion control products, protective clothing and the like have been tested by TRI for over three decades. However, our knowledge and understanding goes deeper than just testing… TRI performs research, develops test equipment, develops standards and provides education for each of the industries it serves.

TRI’s personnel are active throughout the world’s standards development organizations and routinely provide short courses, seminars and tailor-made training services.

TRI is unaffiliated with any manufacturer or engineering firm, and thus provides services to regulators, manufacturer, engineering firms, contractors and installers. Laboratories perform testing in accordance with ASTM, ISO, BS, DIN and GRI test methods. TRI is GAI-LAP Certified and is an official provider of testing services to NTPEP, USACE, AASHTO and other government and regulatory agencies.

TRI ENV logo
Contact Us Today!
+1 512 263 5944


Over 30 years of experience and a host of certifications & accreditations related to materials testing.


TRI Staff are incredibly involved in relevant societies, testing bodies and associations – sought-after for their depth of knowledge.


Use this site to access test forms, CQA forms and chain of custody forms.