Mr. C. Joel Sprague
Mr. James (Jay) Sprague
Mr. Jarrett Nelson
Special Projects Manager
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Erosion & Sediment Control Testing
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.
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.
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.