TRI Environmental, Inc. (TRI) is an independent, third party, geosynthetics firm providing geosynthetics testing and research services to the international community. TRI provides laboratory conformance/verification testing as well as performance related studies. In addition to routine testing, TRI provides interface friction, permeability, creep and stress-rupture, transmissivity, gradient ratio, UV-resistance, chemical resistance, carbonyl end group, molecular weight, plastic pipe and accelerated time-temperature testing. TRIs personnel are active throughout the worlds standards development organizations and routinely provide short courses, seminars and tailor made training services to those learning about geosynthetics.