A comprehensive resource incorporating elements from previous documents and providing updates on additional types of reactive media, treatable contaminants, longevity issues, and new construction/installation approaches and technologies. Revised 11-30-11.

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

U.S. Air Force document revised with state input to provide technical information for PRB installation.

Provides regulatory guidelines for the installation of permeable reactive walls for the remediation of inorganics and radionuclides.