Title: Summary Report. Terrestrial Metals Bioavailability: A Literature-Derived Classification Procedure for Ecological Risk Assessment (2020, Final Report) 
Resource Type: document --> technical publication --> report 
Country: USA 
Language(s): English
 
Year: 2020 
Author 1/Producer: US Environmental Protection Agency (US EPA) 
Author / Producer Type: Agency, regulator or other governmental or inter-governmental body 
Report/Document number/description: EPA/600/R-20/042 
Publisher Country: USA 
Publisher web link (root): https://cfpub.epa.gov/ncea/erasc/recordisplay.cfm?deid=349052
Report / download web link (=direct link): https://cfpub.epa.gov/ncea/erasc/recordisplay.cfm?deid=34905 ...  
EUGRIS Keyword(s): Contaminated land-->Risk assessment-->Receptor: Ecological
Contaminated land-->Risk assessment-->Tools and procedures
 
Short description: Interstudy variation among bioavailability studies is a primary deterrent to a universal methodology to assess metals bioavailability to soil dwelling organisms and is largely the result of specific experimental conditions unique to independent studies. The primary objective of this review is to synthesize information in the open literature on the effects of soil chemical/physical properties on metals bioavailability independent of extraneous variation due to the specific attributes of individual studies. Accordingly, two data sets were established from relevant literature; one includes data from studies related to bioaccumulation (total obs = 520), while the other contains data from studies related to toxicity (total obs = 1,264). Experimental factors that affect bioavailability independent of the effect of soil chemical/physical properties were considered nuisance variables, i.e. variables not of direct interest in the context of this study, but that need to be considered in analyzing the data. Variation associated with significant nuisance variables was statistically apportioned from the variation attributed to soil chemical/physical properties for both data sets using a linear mixed model. 
Long description: U.S. EPA. Summary Report. Terrestrial Metals Bioavailability: A Literature-Derived Classification Procedure for Ecological Risk Assessment (2020, Final Report). U.S. Environmental Protection Agency, Ecological Risk Assessment Support Center, Cincinnati, OH, EPA/600/R-20/042, 2020. 
Submitted By: Professor Paul Bardos WhoDoesWhat?      Last update: 05/10/2020

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