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wca environment contribute to the development of new screening criteria for contaminated land risk assessment
I am working with a team of risk assessors, toxicologists and statisticians to deliver Category 4 Screening Levels (C4SLs) and provide technical guidance to support Defra’s recently revised Statutory Guidance for Part 2A of the Environmental Protection Act 1990.
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Quantitative risk assessment for contaminated land
The discipline of chemical risk assessment for contaminated land continues to be in a state of flux. The Environment Agency published revised technical guidance and updated versions of the CLEA model in 2008 and 2009 but funding issues and re-organisations within the Agency appear to have left the job finished as updated guidance has not been issued for some of the commonly occurring and ‘difficult’ contaminants.

