Title: Estimation of Relative Bioavailability of Lead in Soil and Soil-like Materials Using In Vivo and In Vitro Methods 
Resource Type: document --> guidance / decision support 
Country: USA 
Year: 2007 
Availability: OSWER 9285.7-77 May 2007 
Author 1/Producer: US EPA 
Author / Producer Type: Agency, regulator or other governmental or inter-governmental body 
Report / download web link (=direct link): http://epa.gov/superfund/bioavailability/lead_tsd.pdf  
Format (e.g. PDF): PDF 
EUGRIS Keyword(s): Contaminated land-->Contaminants-->Heavy metals
Contaminated land-->Risk assessment-->Exposure pathways
Contaminated land-->Risk assessment-->Receptor: Human health
Diffuse pollution-->Processes
Short description: Reliable analysis of the potential hazard to children from ingestion of lead in environmental media depends on accurate information on a number of key parameters, including the rate and extent of lead absorption from each medium. Bioavailability of lead in a particular medium may be expressed either in absolute terms (absolute bioavailability, ABA) or in relative terms (relative bioavailability, RBA). This report summarizes the results of a series of studies performed by scientists in U.S. EPA Region 8 to measure the RBA of lead in a variety of soil and soil-like test materials using both in vivo and in vitro techniques 
Link to Organisation(s): EPA Environmental Protection Agency
Submitted By: Professor Paul Bardos WhoDoesWhat?      Last update: 05/08/2007

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