Research and analysis

Soil screening values for assessing ecological risk

Guidelines for screening the risks to soils from chemicals released through the landspreading of waste-derived materials

Documents

Soil screening values for assessing ecological risk: summary

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Soil screening values for assessing ecological risk: report

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Soil screening values for assessing ecological risk: tool

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Details

This project has produced guidelines for screening the risks to soils from chemicals released through the landspreading of waste-derived materials.

The project reviewed the available evidence on the direct terrestrial ecotoxicity and potential for secondary poisoning of 38 chemical substances and mixtures, including 23 trace elements and 15 persistent organic pollutants. Although there were insufficient data to derive an assessment criterion in all cases, soil screening values are recommended in the report for 9 trace elements and 8 organic pollutants. A spreadsheet tool allows the screening values to be adjusted for site-specific soil properties.

The soil screening values developed through this project will help the Environment Agency to better review the technical suitability of landspreading proposals submitted by an operator for a wider range of chemicals.

Published 8 November 2017