Discusses the biochemical and geological cycling of selenium (Se), its worldwide distribution, and the factors controlling its fate and transport within and between major environmental media, presenting a global assessment of selenium's complex environmental behaviour. The focus of this work is upon Se management and remediation strategies.

Proceedings of the October 1993 conference that offered scientists, regulators, and risk managers an opportunity to help define ERA guidelines based on scientific principles and to refine field and laboratory methods to be responsive to the needs of risk assessors. Eight chapters discuss a meeting of policy and science; risk assessment guidance for Superfund and hazardous waste sites and permitted facilities in California; managing ecological risks; evaluating bioaccumulation in wildlife food chains; sediment quality assessments; and the use of tributyltin and caged bivalves. Annotation copyrighted by Book News, Inc., Portland, OR