The Use of Guideline Values

Part If A of the Environmental Protection Act 1990 requires Local Authorities to identify contaminated land. Circular 2/20007 provides Local Authorities with advice on how to determine that there is a significant possibility of significant harm being caused . The following extracts refer to specific indicated sections  

21 United States Environmental Protection Agency, Soil Screening Guidance Technical Background Document, OSWER 9355.4-17A, EPA/540/R-95/128. 

46 In following any such guidance on risk assessment, the local authority should be satisfied that it is relevant to the circumstances of the pollutant linkage and land in question, and that any appropriate allowances have been made for particular circumstances. 

47 To simplify such an assessment of risks, the local authority may use authoritative and scientifically based guideline values for concentrations of the potential pollutants in, on or under the land in pollutant linkages of the type concerned. If it does so, the local authority should be satisfied that  

48 In using any guideline values, the local authority should be satisfied that  

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