Updated: The Environment Agency has been alerted to a problem with the recent version of the CLEA tool. We are working to correct this and a revised version will be published as soon as possible. Until this time the CLEA tool has been removed.
The Environment Agency has been alerted to a problem with the recent version of the CLEA tool. The Environment Agency is working to correct this and a revised version will be published as soon as possible.
You can use the CLEA software to:
derive generic soil assessment criteria using generic assumptions about the characteristics of contaminants and people likely to be present on site derive site-specific soil assessment criteria by entering your own data on the characteristics of contaminants and people likely to be present on site or using a non-generic approach assess whether a measured concentration in soil (and where available, measured site concentrations for contaminants within soil air, ambient and indoor air, and fruits and vegetables) would present a potential risk to human health for a particular set of circumstances derive exposure factors for dioxins, furans and dioxin-like PCBs for use in deriving site-specific soil assessment criteria using our dioxins site-specific worksheets.The handbook explains how you can do all of these things.
An update (1.07) to the software was published on 24/08/2015. The update includes the library data sets from the Defra research project SP1010 (Development of Category 4 Screening Levels for assessment of land affected by contamination). The handbook referring to version 1.05 is still valid as the functionality has not changed significantly. The revised software (version 1.07) has been published under the Government Open Licence and you should refer to this agreement for terms of use.
Local copy of LIT_10167.pdf
Local copy of LIT_10167.pdf
https://www.gov.uk/government/publications/contaminated-land-exposure-assessment-clea-tool
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