Preliminary Remediation Goals for Terrestrial Wildlife

Autor: Richard Mirenda, Randall T. Ryti, James T. Markwiese, Lars F. Soholt
Rok vydání: 2004
Předmět:
Zdroj: Human and Ecological Risk Assessment: An International Journal. 10:437-450
ISSN: 1549-7860
1080-7039
DOI: 10.1080/10807030490438490
Popis: Remediation of contaminated sites requires information on upper concentration limits of chemicals in environmental media that are protective of ecological receptors. These upper concentration limits can be considered ecological preliminary remediation goals (EcoPRGs). The motivation for developing EcoPRGs was to provide risk managers with a simple tool for evaluating remedial actions that would be protective of the environment. Hazard quotient calculations used to support ecological screening assessments were modified to derive soil EcoPRGs for terrestrial wildlife populations. The primary modification is a population area use factor that is the fraction of a terrestrial animal population potentially affected by the contaminated site. Wildlife assessment population boundaries are based on a receptor's dispersal distance; for mammals dispersal distance is strongly related to the linear dimension (square root) of home range. Assuming that wildlife are unlikely to disperse beyond some distance from ...
Databáze: OpenAIRE