Introduces the Triad approach to conducting environmental work, which increases effectiveness and quality and reduces project costs.

Provides guidance for regulators, industry, consultants, and technology vendors in understanding, evaluating, and making informed decisions about the use of constructed treatment wetland systems.

A guide for regulators, stakeholders, and others involved in oversight of historical records review projects on munitions response sites.

Discusses scientific approaches and strategies used to characterize sites that are known or suspected to be contaminated with dense nonaqueous phase liquids.

For stakeholders, regulators, technology decision makers, and others involved in selecting and implementing surfactant/cosolvent flushing of dense nonaqueous-phase liquids as a remedial action.

Examples of regulatory approval of alternative landfill cover designs, current research on alternative covers, and approved designs and constructed covers used at solid waste and hazardous waste facilities.

Assists practitioners in formulating a proper strategy for removing the threat that metal, particularly lead, presents at closed small arms firing ranges.

Provides guidance for the systematic characterization, evaluation, and appropriate design and testing of in situ bioremediation for any bio-treatable contaminant.

Overview of the regulatory issues with aggressive in situ technologies that target dense nonaqueous phase liquid source zones for elimination or substantial reduction.

Presents case studies from 12 radioactively contaminated sites to demonstrate variations in the decision-making framework and basis.