A Technical Toolbox to Obtain NFA and Site Closure Letters
This article describes some technical tools in the environmental toolbox that are commonly accepted by many state and federal agencies to obtain risk-based site closure in different regulatory programs, such as leaking underground storage tank, voluntary remediation, and brownfield.
Topics covered include:
- Site assessments and regulatory screening levels
- Aligning remedial and site closure tools with site-specific objectives
- Use of modeling to understand contaminant transport and predict the future
