The Contaminated Land Exposure Assessment (CLEA) Tool has been updated and was published on the Environment Agency webpage on 7th September 2015.
The CLEA Tool’s three main uses
- It can be used to create generic soil assessment criteria based on generic assumptions about the contaminant‘s characteristics and any people that are likely to be on site.
- It can create site-specific soil assessment criteria by an individual entering his or her own data on the contaminant’s characteristics and any people that are likely to be on site or via a non-generic approach.
- It is also stated that the tool can be used to “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.”
The handbook available for the tool gives instructions on how the three above tasks may be achieved.
The update to the software has included data from a research project conducted by DEFRA on the ‘Development of Category 4 Screening Levels for Assessment of Land Affected by Contamination.’ In addition, a previous error with regards to adding chemicals has been corrected.
For more detailed information, please refer to the CLEA Tool documentation.
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