Provides a decision framework incorporating key aspects of EPA’s three-volume technical background series on MNA for metals and rads in groundwater, guidance on approaches and key issues associated with evaluating attenuation-based remedies, and a process to incorporate enhanced attenuation.

An Emerging Technologies for the Remediation of Metals in Soils document. One of three separate status reports on technologies for the treatment of metals in soils and the potential regulatory issues associated with their use.