<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:contributor>Mark C. Marvin-DiPasquale</dc:contributor>
  <dc:contributor>Vivien F. Taylor</dc:contributor>
  <dc:contributor>Ann T. Chalmers</dc:contributor>
  <dc:contributor>Hannah J. Broadley</dc:contributor>
  <dc:contributor>Jennifer L. Agee</dc:contributor>
  <dc:contributor>Brian P. Jackson</dc:contributor>
  <dc:contributor>Celia Y. Chen</dc:contributor>
  <dc:creator>Kate L. Buckman</dc:creator>
  <dc:date>2015</dc:date>
  <dc:description>&lt;p&gt;&lt;span&gt;In Berlin, New Hampshire, USA, the Androscoggin River flows adjacent to a former chlor-alkali facility that is a US Environmental Protection Agency Superfund site and source of mercury (Hg) to the river. The present study was conducted to determine the fate and bioaccumulation of methylmercury (MeHg) to lower trophic-level taxa in the river. Surface sediment directly adjacent to the source showed significantly elevated MeHg (10&amp;ndash;40&amp;times; increase, mean&amp;thinsp;&amp;plusmn;&amp;thinsp;standard deviation [SD]: 20.1&amp;thinsp;&amp;plusmn;&amp;thinsp;24.8 ng g&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;&amp;nbsp;dry wt) and total mercury (THg; 10&amp;ndash;30&amp;times; increase, mean&amp;thinsp;&amp;plusmn;&amp;thinsp;SD: 2045&amp;thinsp;&amp;plusmn;&amp;thinsp;2669 ng g&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;&amp;nbsp;dry wt) compared with all other reaches, with sediment THg and MeHg from downstream reaches elevated (3&amp;ndash;7&amp;times; on average) relative to the reference (THg mean&amp;thinsp;&amp;plusmn;&amp;thinsp;SD: 33.5&amp;thinsp;&amp;plusmn;&amp;thinsp;9.33 ng g&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;&amp;nbsp;dry wt; MeHg mean&amp;thinsp;&amp;plusmn;&amp;thinsp;SD: 0.52&amp;thinsp;&amp;plusmn;&amp;thinsp;0.21&amp;thinsp;ng g&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;&amp;nbsp;dry wt). Water column THg concentrations adjacent to the point source for both particulate (0.23&amp;thinsp;ng L&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;) and dissolved (0.76&amp;thinsp;ng L&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;) fractions were 5-fold higher than at the reference sites, and 2-fold to 5-fold higher than downstream. Methylmercury production potential of periphyton material was highest (2&amp;ndash;9&amp;thinsp;ng g&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;&amp;nbsp;d&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;&amp;nbsp;dry wt) adjacent to the Superfund site; other reaches were close to or below reporting limits (0. 1&amp;thinsp;ng g&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;&amp;nbsp;d&lt;/span&gt;&lt;sup&gt;&amp;ndash;1&lt;/sup&gt;&lt;span&gt;&amp;nbsp;dry wt). Total Hg and MeHg bioaccumulation in fauna was variable across sites and taxa, with no clear spatial patterns downstream of the contamination source. Crayfish, mayflies, and shiners showed a weak positive relationship with porewater MeHg concentration.&lt;/span&gt;&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1002/etc.2964</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Wiley</dc:publisher>
  <dc:title>Influence of a chlor-alkali superfund site on mercury bioaccumulation in periphyton and low-trophic level fauna</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>