TRI ENV    TRI Environmental

TRI Environmental, Inc. (TRI) is an independent, third party, geosynthetics firm which provides testing and research services to the international community. TRI provides laboratory conformance/verification testing as well as performance related studies. TRI is the first laboratory in the world to be accredited by the Geosynthetics Accreditation Institute and is distinguished as having the most extensive list of accredited tests. In addition to routine testing in accordance with ASTM, ISO, BS, DIN and GRI test methods, TRI provides interface friction, permeability, creep and stress-rupture, transmissivity, gradient ratio, UV-resistance, chemical resistance, carbonyl end group, viscosity, and accelerated time-temperature testing. TRI Environmental‘s staff are active throughout the world’s standards development organizations and routinely provide short courses, seminars and tailor-made training services to those learning about geosynthetics.

TRI earned a superior reputation as an internationally acclaimed, highest quality testing and research facility. TRI’s geosynthetics laboratories and governing quality assurance system are accredited by the Geosynthetics Accreditation Institute (GAI). TRI is proud to be the first testing laboratory to achieve this accreditation, and is currently distinguished as holding the most comprehensive (91 tests) accreditation among commercial testing laboratories. Our accreditation documentation may be e-mailed upon request and independently verified by visiting the GAI home page at

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  • Slope Stability and Leak Location Highlight Early May Short Courses
    In the United States, geotechnical engineering short courses often take place just ahead of the warmer months during which so much work takes place. This gives engineering firms and their personnel a chance to enhance skills and strategies for immediate implementation and better long-term planning for business and career growth. In early May, the short course calendar is highlighted by two two-day... »
  • Slope Stability Short Course Added to May 7 – 11 Training Week Offerings
    Short Course Training Week (May 7 – 11) is coming to Austin, Texas, where TRI Environmental will host four courses and two certification opportunities for professionals involved in CQA, waste management, lined facility design and management, and affiliated sectors. Of note, this year’s spring gathering includes a new course: Slope Stability of Containment Systems. The May 7 – 8 slope stability cou... »
  • TRI Expands Testing Capabilities and Enhances Services for 2018
    The annual letter from TRI Environmental to its clients and the general geosynthetics community merits review for a number of its highlights. The company notes the considerable expansion testing capabilities, both through the addition of key equipment and through the re-location of its outdoor, large-scale testing facility for trafficking studies and erosion and sediment control testing. Furthermo... »
  • Maximizing Electrical Leak Location Effectiveness with Covered Geomembranes
    By Abigail Gilson-Beck and Julio Ferreira – Designers of geomembrane-lined containment facilities commonly assume two to five leaks per hectare, with each leak of the size or diameter of a few millimeters. A leak is any damage that fully penetrates a geomembrane panel or seam (e.g. hole, perforation, tear, crack or puncture). Typical leaks caused by equipment placing cover material can be orders o... »
  • Congratulations, Joel Sprague and Grace Hsuan
    Two of the geosynthetics field’s most respected figures, Joel Sprague and Grace Hsuan, were honored on Thursday, June 15, at the ASTM International Committee D35 on Geosynthetics meetings in Toronto. JOEL SPRAGUE TRI Environmental‘s Senior Engineer Joel Sprague received the ASTM Award of Merit, a prestigious honor that earns him the title of Fellow. In a release from ASTM, Committee D3... »

Sam Allen
Vice President & Division Manager
TRI/Environmental, Inc. (TRI)
9063 Bee Caves Rd.
Austin, TX 78733
Phone: +1 512 263 2101
Fax: +1 512 263 2558

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