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.

Reviews technologies for remediating perchlorate contamination in water and soil, as well as relevant regulatory considerations.

Explains the performance-based environmental management process concepts and components.

Six critically reviewed case studies of recent or ongoing applications of in situ bioremediation at sites with dense, nonaqueous-phase liquid source zones.

Provides guidance on how to properly deploy and collect samples in groundwater using five passive sampling technologies.

Provides a general overview of some common optimization opportunities found for above ground treatment systems for extracted ground water, air sparging/soil vapor extraction, and multi-phase extraction.

Overview of 12 passive sampling technologies and describes each technology’s basis of operation, intended applications, advantages, limitations, and development status. CD contains DSP-1 and -3.

Presenta en forma generalizada algunas de las oportunidades más comunes de optimización para los sistemas de restauración sobre la superficie incluyendo extracción de aguas subterráneas, inyección de aire/extracción de vapores del suelo, y sistemas de fases múltiples.

Develops the concepts of life-cycle cost and its potential optimization application to site remediation projects.