Title: Biological Test Methods for Assessing Contaminated Land, Stage 2: A demonstration of the use of a framework for the ecological risk assessment of land contamination. 
Resource Type: document --> technical publication --> report 
Country: United Kingdom 
Year: 2004 
Availability: P5-069/TR1 
Author 1/Producer: weeks, J M 
Other Authors/Producers: Sorokin, N; Johnson, I; Whitehouse, P; Ashton, D; Spurgeon, D; Hankard, P; Svendsen, C; Hart, A 
Author / Producer Type: Agency, regulator or other governmental or inter-governmental body 
Publisher: Environment Agency of England and Wales 
Publisher City: Rio House, Waterside Drive, Aztec West, Bristol, BS32 4UD, UK 
ISBN: 1844322963 
Report / download web link (=direct link): http://publications.environment-agency.gov.uk/epages/eapubli ...  
Format (e.g. PDF): PDF 
EUGRIS Keyword(s): Contaminated land-->Risk assessment-->Receptor: Ecological
Contaminated land-->Site investigation-->Methods
Contaminated land-->Soil and groundwater processes-->Ecotoxicology
Contaminated land-->Soil and groundwater processes-->Microbiology
Soil-->Soil Overview
Soil-->Soil quality
Short description: The report illustrates a scientific framework for assessing the risk of significant harm to an organism, animal or whole ecosystem on potentially contaminated sites. The framework demonstrates best practice in Ecological Risk Assessment (ERA), which plays an increasingly important part of the decision-making process for managing environmental problems. 
Long description: The framework has four tiers of increasing complexity. The preliminary tiers help identify sites with potentially significant risks. The proposed framework has defined entry and exit points at each tier so that successive tiers are only used when necessary. To make a defensible decision about the potential risk of a site to the ecoreceptors present, the following data should be collated and assessed: · chemical data on contaminants present, their form and concentration; · biological data such as microbial, plant and invertebrate tests; · ecological survey data on the extent and condition of populations and individual organisms of concern. This combination of chemical, biological and ecological data (often referred to as a triad approach) provides a sound basis for decision making and site management 
Submitted By: Dr Antony Chapman WhoDoesWhat?      Last update: 10/05/2007

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