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Article: Use of field data to support European Water Framework Directive quality standards for dissolved metals

TitleUse of field data to support European Water Framework Directive quality standards for dissolved metals
Authors
Issue Date2007
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/est
Citation
Environmental Science And Technology, 2007, v. 41 n. 14, p. 5014-5021 How to Cite?
AbstractQuality standards (QS) for dissolved metals in freshwaters have been proposed under the European Water Framework Directive (WFD) and are based mainly upon laboratory ecotoxicity data. Uncertainties remain about laboratory-to-field extrapolation to establish QS that are neither over-nor underprotective. Freshwater benthic macroinvertebrates are a group of organisms of known sensitivity to heavy metals. We analyzed a data set from England and Wales of dissolved metal concentrations (cadmium, chromium, copper, iron, nickel, lead, and zinc) and associated benthic invertebrate community metrics, using piecewise regression, quantile regression, and information on metal concentrations consistent with good quality status. Analysis of these field data suggests that dissolved metal QS proposed underthe WFD are similar to metal concentrations in rivers associated with unimpaired benthic invertebrate assemblages in England and Wales. The only exceptions to this are QS for iron and zinc, where use of relatively large assessment factors leads to standards that are substantially below concentrations associated with impaired invertebrate assemblages in the field. © 2007 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/172437
ISSN
2015 Impact Factor: 5.393
2015 SCImago Journal Rankings: 2.664
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorCrane, Men_US
dc.contributor.authorKwok, KWHen_US
dc.contributor.authorWells, Cen_US
dc.contributor.authorWhitehouse, Pen_US
dc.contributor.authorLui, GCSen_US
dc.date.accessioned2012-10-30T06:22:32Z-
dc.date.available2012-10-30T06:22:32Z-
dc.date.issued2007en_US
dc.identifier.citationEnvironmental Science And Technology, 2007, v. 41 n. 14, p. 5014-5021en_US
dc.identifier.issn0013-936Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/172437-
dc.description.abstractQuality standards (QS) for dissolved metals in freshwaters have been proposed under the European Water Framework Directive (WFD) and are based mainly upon laboratory ecotoxicity data. Uncertainties remain about laboratory-to-field extrapolation to establish QS that are neither over-nor underprotective. Freshwater benthic macroinvertebrates are a group of organisms of known sensitivity to heavy metals. We analyzed a data set from England and Wales of dissolved metal concentrations (cadmium, chromium, copper, iron, nickel, lead, and zinc) and associated benthic invertebrate community metrics, using piecewise regression, quantile regression, and information on metal concentrations consistent with good quality status. Analysis of these field data suggests that dissolved metal QS proposed underthe WFD are similar to metal concentrations in rivers associated with unimpaired benthic invertebrate assemblages in England and Wales. The only exceptions to this are QS for iron and zinc, where use of relatively large assessment factors leads to standards that are substantially below concentrations associated with impaired invertebrate assemblages in the field. © 2007 American Chemical Society.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/esten_US
dc.relation.ispartofEnvironmental Science and Technologyen_US
dc.subject.meshMetals - Chemistry - Standardsen_US
dc.subject.meshReference Standardsen_US
dc.subject.meshSolubilityen_US
dc.subject.meshWater Pollutants, Chemical - Standardsen_US
dc.titleUse of field data to support European Water Framework Directive quality standards for dissolved metalsen_US
dc.typeArticleen_US
dc.identifier.emailLui, GCS: csglui@hku.hken_US
dc.identifier.authorityLui, GCS=rp00755en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1021/es0629460en_US
dc.identifier.pmid17711217en_US
dc.identifier.scopuseid_2-s2.0-34547154233en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34547154233&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume41en_US
dc.identifier.issue14en_US
dc.identifier.spage5014en_US
dc.identifier.epage5021en_US
dc.identifier.isiWOS:000248363100033-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridCrane, M=7202466944en_US
dc.identifier.scopusauthoridKwok, KWH=19337480200en_US
dc.identifier.scopusauthoridWells, C=35562287100en_US
dc.identifier.scopusauthoridWhitehouse, P=15737638500en_US
dc.identifier.scopusauthoridLui, GCS=8613288600en_US

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