Full Description ADOPTED_FROM:CWA 15884:2008 This CEN Workshop Agreement (CWA) provides guidelines for the verification of technologies for site characterization, monitoring and remediation of soil and groundwater systems. In particular, it specifies a reporting structure for verified vendor-claims of the site characterization, monitoring and remediation technology. The technology can comprise hardware (devices, apparatus and tools) and physical, chemical and biotechnological processes with their adaptation to site-specific conditions. This CWA describes a procedure which will result in a report containing verified elements. This report in turn provides a standardized set of key information about the characterization of a site, plus any monitoring or remediation technology which has been applied to the site. The report aims to illustrate the performance of the technology and can therefore be used to help all stakeholders (e.g. experts, regulators, administrators and landowners) in their decision making, i.e. to evaluate if a particular technology is suitable for the site specific pollutant(s) and conditions of a soil and groundwater system. This CWA provides substantial input to a future European Environmental Technology Verification (ETV) system. The CWA gives guidance on technology verification on a voluntary basis to bridge the time until a European ETV system is established.