Guidance to develop a structured approach for managing sites contaminated with chlorinated solvents and dense nonaqueous phase liquids.

A technical guidance document, fact sheets, and six-part modular training course that summarize the latest science and emerging technologies for 1,4-Dioxane.

Provides tools for selecting and applying appropriate approaches for integrated site characterization and remediation at sites contaminated with dense nonaqueous phase liquids.

Guidance to help site managers develop and adapt integrated strategies for understanding, treating, monitoring, and evaluating complex sites contaminated with dense nonaqueous phase liquids.

Guidance to evaluate, design, construct, monitor, and maintain permeable reactive barriers (PRBs) used as treatment zones to clean up contaminated groundwater.

Provides the technical and related regulatory considerations for in situ bioremediation of chlorinated ethene dense nonaqueous phase liquids source zones.

Provides direction on integrating enhanced attenuation into remedial decision making for a smooth transition between aggressive remediation and monitored natural attenuation.

Technological overview of in situ bioremediation and some of the issues to consider when selecting and designing an in situ bioremediation system for remediation of chlorinated ethene dense nonaqueous phase liquids source zones.

Provides updated information on new developments and innovative approaches in applying permeable reactive barriers to treat a variety of groundwater contaminants.

Review of regulatory issues associated with PRBs.