Explains how environmental molecular diagnostic tools can be used to analyze biological and chemical characteristics of samples and support remediation at contaminated sites.

Guidance to help site managers develop and adapt integrated strategies for understanding, treating, monitoring, and evaluating complex DNAPL-contaminated sites.

Explains key environmental molecular diagnostic tools and how they can be used to better understand contaminants, microorganisms, and environmental processes during site characterization, remediation, monitoring, and closure.

Framework for preventing, assessing, and responding to biofuel releases, including their environmental behavior, site characterization, and remedial responses.

Explains how to develop and use performance specifications to evaluate the effectiveness of solidification/stabilization remedies, from treatability testing and implementation through long-term monitoring.

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

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.

Summarizes the concepts underlying mass flux and discharge, their potential applications, and case studies of the uses of these metrics.

Updates and replaces PHYTO-1 and PHYTO-2, merging their concepts with new, practical information on the process and protocol for selecting and applying various phytotechnologies as remedial alternatives.

Provides a systematic understanding of the technical and related regulatory considerations for ISB of chlorinated ethene DNAPL source zones, based on scientifically sound and credible evidence. CD includes BIODNAPL-2.