Scientific criteria document for the development of the Canadian water quality guidelines for the protection of aquatic life : Cadmium

Scientific Criteria Document for the Development of the Canadian Water Quality Guidelines for the Protection of Aquatic Life CADMIUM PN 1515 ISBN 978-1-77202-000-7 PDF © Canadian Council of Ministers of the Environment, 2014 NOTE TO READERS The Canadian Council of Ministers of the Environment (CCME) is the primary minister-led intergovernmental forum for collective action on environmental issues o [...] PN 1515 ISBN 978-1-77202-000-7 PDF © Canadian Council of Ministers of the Environment, 2014 Canadian Water Quality Guidelines for the Protection of Aquatic Life for cadmium ii ACKNOWLEDGEMENTS This document was prepared under the direction of the National Guidelines and Standards Office (NGSO) of Environment Canada. [...] Loadings of cadmium to Lake 382, mass of Cadmium in the entire lake volume calculated from aqueous levels, and cadmium concentrations in the epilimnion and surface sediments from 1987 to 1994). [...] The concentration which causes the specified percentage of the population (represented in the X) of the experimental biota to show an observed effect. [...] These abiotic factors influence the toxicity and mobility of cadmium by altering the speciation, or physical-chemical forms, of cadmium in aquatic systems.