Contact

Mr. C. Joel Sprague

Senior Engineer

  • 864.346.3107
  • jsprague@tri-env.com
  • (f)512.263.2558
  • TRI/Environmental, Inc. PO Box 9192, Greenville, SC 29604

Mr. James (Jay) Sprague

Laboratory Director

  • 864.569.6888
  • jesprague@tri-env.com
  • Denver Downs Research Facility 4915 Clemson Blvd., Anderson, SC 29621

Mr. Jarrett Nelson

Special Projects Manager

  • 512.263.2101
  • jnelson@tri-env.com
  • (f)512.263.2558
  • TRI/Environmental, Inc. 9063 Bee Caves Road, Austin, TX 78733

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Erosion & Sediment Control Testing
Technology Oversight

Joel Sprague, P.E., TRI’s Senior Engineer provides technical oversight of all of TRI’s erosion and sediment control testing.

Mr. Sprague is a long-time member of the senior technical staff specializing in research, development, and application of geosynthetics, plastic pipe, and erosion and sediment control technologies. He is a registered professional engineer in North and South Carolina, Georgia, and Texas.

  • 864.346.3107
  • jsprague@tri-env.com
  • (f)512.263.2558
  • TRI/Environmental, Inc. PO Box 9192, Greenville, SC 29604

Jay Sprague, TRI’s Field Lab Director provides direction to site technicians on site operations and testing protocol.

Mr. Sprague has been integrally involved with implementing large-scale test methods, including the construction and maintenance of the state-of-the-art facilities that make TRI the only independent commercial laboratory offering such a wide array of performance testing capabilities.

  • 864.569.6888
  • jesprague@tri-env.com
  • Denver Downs Research Facility 4915 Clemson Blvd., Anderson, SC 29621

Jarrett Nelson, TRI’s Special Projects Manager provides operational management of TRI’s erosion and sediment control index and bench-scale testing efforts.

Mr. Nelson has been involved with the development of most of the testing protocols now incorporated into ASTM’s standard test methods related to erosion and sediment control systems/materials.

  • 512.263.2101
  • jnelson@tri-env.com
  • (f)512.263.2558
  • TRI/Environmental, Inc. 9063 Bee Caves Road, Austin, TX 78733

Find us.

Denver Downs Research Facility
4915 Hwy 76 (Clemson Blvd.)
Anderson, SC 29621


Call us.

864.569.6888


Email us.