California Sediment Quality Objectives: What’s Up with California’s Mud? With Steve Bay

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Tidal mudflat, Drakes Estero, California. Credit: John Weiss, CC BY-NC-ND 2.0

California recently adopted an innovative framework for assessing sediment quality impacts to the benthic community based upon multiple lines of evidence. The seven articles in the series address one aspect of a multi-phase project to define sediment quality objectives, including a new sediment quality guideline (SQG) index.Steve Bay, Guest Editor of the special series “California Sediment Quality Objectives,” describes how the series articles define sediment quality objectives for California that will be used to protect fish, wildlife, benthic invertebrates, and even humans. Access the series in the October 2012 issue of IEAM.

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Accelerating Progress at Contaminated Sediment Sites, with Todd Bridges

Atlas Tack Federal Superfund Site, Fairhaven, MA, USA. Credit: Massachusetts DEP, CC BY 2.0.

Todd Bridges addresses the process of managing and remediating contaminated sediment in the United States. There are currently more than 300 sites in the US federal government’s program to clean up the nation’s uncontrolled hazardous waste sites (Superfund). Hear Todd discuss proposed actions to accelerate cleanup progress and improve the effectiveness of risk management. Read the article “Accelerating progress at contaminated sediment sites: Moving from guidance to practice,” in the April 2012 issue of IEAM.

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Discussing Challenges Posed by Radiation in the Environment, with Igor Linkov and Brad Sample

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Radiation plume resulting from the Fukushima Daiichi nuclear power plant accident. Source: Wikimedia Commons.

Igor Linkov and Brad Sample talk about the July 2011 series “Challenges Posed by Radiation and Radionuclide Releases to the Environment”—16 invited commentaries that were solicited as a result of the Fukushima Daiichi nuclear accident in Japan that occurred in March 2011. The commentaries address various aspects of radiation concerns.

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