Update to Contaminated Land Tool [UK]

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

  1. 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.
  2. 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.
  3. 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.

Red-on-line EHS Legalist

Sources:

The article ‘Contaminated land exposure assessment (CLEA) tool’ published on the Environment Agency’s .gov.uk website on 7th September 2015.

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