Comprehensive guidance on common in situ remediation challenges, including remedial design, implementation, and monitoring.

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.

Presents six critically reviewed case studies of recent or ongoing applications ISB of DNAPLs as evidence that it is a viable cleanup strategy. A companion CD contains the document and presentations made at the Case Studies Forum.

Overview of in situ bioremediation and some of the issues to consider when selecting and designing an ISB system for remediation of chlorinated ethene DNAPLs source zones.

Provides guidance for the systematic characterization, evaluation, and appropriate design and testing of ISB for any biotreatable contaminant.

Presents and discusses regulatory processes appropriate to a variety of active bioremediation techniques for chlorinated solvents in ground water.