1 Scope
This document describes in a general way the application of the soil quality TRIAD approach for the site-specific ecological risk assessment of contaminated soils.
In detail, it presents in a transparent way three lines of evidence (chemistry, ecotoxicology
and ecology) which together allow an efficient, ecologically robust but also practical
risk assessment of contaminated soils. This procedure can also be applicable to other
stress factors , such as acidification, soil compaction, salinization, loss of soil organic substance,
and erosion. However, so far, no experience has been gained with these other applications.
Therefore, this document focuses on soils contaminated by chemicals.
NOTE 1 This document focuses on ecological risk assessment. Thus, it does not cover human
health end points.
In view of the nature of this document, the investigation procedure is described on
a general level. It does not contain details of technical procedures for the actual
assessment. However, this document includes references relating to technical standards (e.g. ISO 15799, ISO 17616) which are useful for the actual performance of the three lines of evidence.
In ecological risk assessment, the effects of soil contamination on the ecosystem
are related to the intended land use and the requirements that this use sets for properly functioning soil. This document
describes the basic steps relating to a coherent tool for a site-specific risk assessment
with opportunities to work out site-specific details.
BS EN ISO 19204:2022 history
2023BS EN ISO 19204:2022 Soil quality. Procedure for site-specific ecological risk assessment of soil contamination (soil quality TRIAD approach)