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Where in the cleanup process can I use the Triad? In the different phases of a RCRA corrective action or CERCLA project (e.g., initial assessment, site characterization, cleanup, closure), where will the Triad save money and where will it cost more compared to traditional methods?
 
Answer

The Triad has application at every point in the CERCLA and RCRA corrective action process. The Triad has the greatest potential for cost savings in the latter portions of the process, during remedial design and implementation. However, implementation of the Triad early on in the cleanup process greatly increases the opportunity for fully integrating the approach into later stages. The use of the Triad will potentially increase costs early in the process due to the potential need for site-specific demonstrations of method applicability for analytical techniques that are not standard. However, these costs will be more than balanced by the benefits of more confident site decision-making and cost savings realized during characterization and remediation. In addition, the use of the Triad early in the process can significantly compress schedules during later stages of the cleanup process.