PMID: 16637145Apr 28, 2006Paper

Effects of dissolved organic carbon on copper toxicity: implications for saltwater copper criteria

Integrated Environmental Assessment and Management
W Ray Arnold

Abstract

During the past three decades, significant advances have been made in understanding how environmental factors modify the bioavailability and the toxicity of metals such as copper in aquatic environments. Several of these advances have led to the development of guidelines to indirectly account for modifying factors, adjustment of criteria on a site-specific basis, and direct changes to the U.S. Environmental Protection Agency (U.S. EPA) freshwater quality criteria. To date, most of this effort has focused on freshwater systems, although similar modifying factors exist in marine environments as well. This paper focuses on one such modifying factor, dissolved organic carbon (DOC), and describes a method to aid in risk assessments or to refine the saltwater copper criteria on a site-specific basis. The relationship between DOC and toxicity of copper to the most sensitive saltwater genus in the U.S. EPA criteria database, Mytilus, is extensively analyzed. Dissolved copper 50% effective concentrations (EC50s) are highly correlated (r2 = 0.71, n=54, p < 0.001) across a wide range of sample DOC concentrations (0.3-10 mg carbon [C]/L) and are explained by the equation EC50 = 11.53DOC(0.54). Two equations based on DOC are proposed for co...Continue Reading

References

Oct 13, 2001·Environmental Toxicology and Chemistry·D M Di ToroR C Santore

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Citations

Aug 28, 2007·Archives of Environmental Contamination and Toxicology·L W HallW R Arnold
Oct 16, 2008·Archives of Environmental Contamination and Toxicology·Tham C HoangGary M Rand
Jan 27, 2010·Archives of Environmental Contamination and Toxicology·W R ArnoldD S Smith
Jan 26, 2016·Environmental Science & Technology·Anthony StockdaleRobert J G Mortimer
Apr 23, 2013·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Sunita R NadellaChris M Wood
Oct 4, 2008·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Sunita R NadellaChris M Wood
May 19, 2007·Ecotoxicology and Environmental Safety·Steven J BrooksKevin V Thomas
May 11, 2012·Environmental Toxicology and Chemistry·Paula Sánchez-MarínRicardo Beiras
Sep 8, 2010·Environmental Toxicology and Chemistry·Liang CaoShuozeng Dou
Sep 24, 2010·Environmental Toxicology and Chemistry·Patricia L GillisJosef D Ackerman
Apr 5, 2013·Integrated Environmental Assessment and Management·David K DeForest, Christian E Schlekat
Jul 26, 2005·Marine Pollution Bulletin·W R ArnoldJ S Cotsifas
Dec 28, 2010·Ecotoxicology and Environmental Safety·Sarah G S DePalmaD Scott Smith
May 26, 2017·Environmental Toxicology and Chemistry·Brian G ChurchDavid K DeForest
Aug 10, 2006·Archives of Environmental Contamination and Toxicology·K V BrixM Grosell
Dec 28, 2019·Environmental Toxicology and Chemistry·Emily R GarmanAdam C Ryan
Jun 29, 2017·Environmental Science and Pollution Research International·Vivien W W BaoKenneth M Y Leung
May 13, 2020·Environmental Science and Pollution Research International·Maria LagerströmAnn-Kristin Eriksson-Wiklund
Mar 31, 2006·Environmental Science & Technology·Gretchen K BielmyerKevin V Brixti
Jan 17, 2012·Environmental Science & Technology·Huan ZhongWen-Xiong Wang
Mar 1, 2008·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·J L FitzpatrickC M Wood

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