TRI/Environmental, Inc. (TRI) is an independent, third party, geosynthetics firm providing geosynthetics testing and research services to the international community.

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.

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

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

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

Educational Services

Services Overview