As part of an effort to evaluate innovative approaches for cutting environmental investigation costs at brownfield sites, the EPA’s Triad Approach was recently used at two brownfield sites that are part of the Assunpink Creek Greenway Project in Trenton, N.J. The Triad Approach combines systematic planning, dynamic work plan preparation, and real time analysis to achieve an accelerated and more precise characterization of environmental conditions at sites than traditional investigative approaches. The Triad Approach was used at the former Crescent Wire site and a former freight yard site which are part of the Assunpink Creek Greenways Project, an initiative by Trenton to re-develop abandoned properties along the creek into a recreational area and greenway.

Overview of the Triad Approach The Triad Approach is a strategy for characterization of environmental conditions at sites that relies upon systematic planning, dynamic work plans, and real time analysis. The primary advantages of the Triad Approach over traditional investigative approaches are reduced uncertainty of environmental conditions, accelerated characterization of environmental effects, and cost savings resulting from the use of lower cost field analytical methodologies (FAMs) and reduced mobilizations over the course of the project. Because of these advantages, the Triad Approach represents a viable and economical strategy for characterization of brownfield sites. ...

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