The use of generic assessment criteria (GAC) is an integral part of the risk assessment process for land affected by contamination. These GAC complement the Environment Agency SGV and 2nd edition LQM/CIEH GAC, which together, result in CLEA compliant GAC for a significant number of substances detected in UK soils.
A report presenting the EIC/AGS/CL:AIRE GAC and describing how the GAC should be used and how they have been derived is available. An Excel spreadsheet with the required contaminants specific data for deriving the GAC using CLEA is also available for free download. These data can inputted into the CLEA model contaminant database to reproduce the GAC and, where required, to produce site specific assessment criteria.