TRI Online Education

For more than 20 years, TRI has developed and supported high-level…

Richard Thiel Joins Interface Friction and Slope Stability Workshop

TRI Environmental is proud to announce that Richard Thiel, PE…

CQA Week Online Courses October 28 - November 1

CQA Week returns 28 October – 1 November 2024. Register today…

TRI Europe Is Open!

TRI Environmental, Inc. (TRI), a global leader in geosynthetic…
Photo of geosynthetics being installed on a landfill slope

Geosynthetics CQA Week 2024 Includes Spanish-Language Options

TRI's Geosynthetics CQA Week will take place twice this spring,…
Photo of geosynthetics being installed on a landfill slope

Geosynthetics CQA Week 2022 - November 28 to December 2

TRI's geosynthetics CQA Week Online training courses will be…

TRI's In-Plant Sampling Service: FAQs

TRI has provided geosynthetic in-plant sampling and sample management…
GeoU 2022 - April

TRI's Spring CQA Training Is Part of GeoU 2022

In-person professional development resumes in April! TRI is proud…

CQA Week Online Courses, December 6 - 10

TRI's long-running geosynthetics CQA Week training courses will…

Republic's Adam Hart Joins CQA Week Presenters!

TRI is excited to announce that Republic Services' Adam Hart,…