During Phase 1 (1991-1996), five innovative treatment technologies were evaluated in the U.S. and five in Germany. U.S. and German sampling and analytical methods were used in both countries. EPA and the BMBF focused primarily on developing and implementing quality assurance procedures for the sampling and analytical methods and also quality management procedures for the overall technology evaluation. During Phase 2 (1996-2000), the quality assurance/management procedures developed in Phase 1 were evaluated with ten additional technology evaluations (five in each country). In the U.S., Phases 1 and 2 resulted in a refinement of quality assurance/management procedures for technology evaluations. For Germany, Phases 1 and 2 resulted in the German Standard Procedures for the Evaluation of Remedial Technologies (DETAD). Additionally, many of the technologies were implemented for site remediation and the technology evaluation information was transferred to other countries.