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Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/2995
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dc.contributor.authorSims, Jerre G.en_US
dc.contributor.authorMoore, David W.en_US
dc.creatorDredging Operations Technical Support Program (U.S.)en_US
dc.creatorU.S. Army Engineer Waterways Experiment Stationen_US
dc.date.accessioned2016-03-15T19:44:53Zen_US
dc.date.available2016-03-15T19:44:53Zen_US
dc.date.issued1995-11en_US
dc.identifier.govdocMiscellaneous Paper D-95-4en_US
dc.identifier.urihttp://hdl.handle.net/11681/2995en_US
dc.descriptionMiscellaneous Paperen_US
dc.description.abstractGenerally, hydrogen sulfide is not treated as a contaminant of concern in the regulatory evaluation of dredged material since it undergoes rapid oxidation and dilution during dredging and disposal. However, because dredged material is evaluated using effects-based testing (i.e., whole sediment and elutriate toxicity tests), there is the potential for H2S to exert toxicity arid confound the regulatory decision-making process. To evaluate the potential for hydrogen sulfide toxicity in dredged material bioassays, a literature review and survey to U.S. Army Corps of Engineers Divisions and Districts were conducted. Data included (A.) reported environmental pore water exposure concentrations of hydrogen sulfide and (B.) effects concentrations shown to cause toxicity in laboratory studies with aquatic species. While the majority (>60 percent) of reported environmental pore water concentrations were > 100 mM H2S/l, almost all (90 percent) of reported effects were found at concentrations <100 μM H2S/l. This simple comparison of reported exposure and effects concentrations suggests that there is a strong potential for hydrogen sulfide toxicity in dredged material bioassays. However, a number of biases in this limited data set are discussed that must be considered before any definitive conclusions can be drawn.en_US
dc.description.sponsorshipDredging Operations Technical Support Program (U.S.)en_US
dc.description.sponsorshipUnited States. Army. Corps of Engineersen_US
dc.description.tableofcontentsPreface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi l-Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2-Approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3-Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Environmental Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Toxicity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Sample Collection and Analytical Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4-Exposure Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5-EffectsData . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6-Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Tables l-2 SF298en_US
dc.format.extent39 pages/2.45 MBen_US
dc.format.mediumPDFen_US
dc.language.isoen_USen_US
dc.publisherU.S. Army Engineer Waterways Experiment Stationen_US
dc.relationhttp://acwc.sdp.sirsi.net/client/en_US/search/asset/1004041en_US
dc.relation.ispartofseriesMiscellaneous Paper (Dredging Operations Technical Support Program (U.S.)) ; no.Miscellaneous Paper D-95-4en_US
dc.rightsApproved for public release; distribution is unlimiteden_US
dc.sourceThis Digital Resource was created from scans of the Print Resourceen_US
dc.subjectHydrogen sulfideen_US
dc.subjectPore wateren_US
dc.subjectToxicityen_US
dc.subjectDredging spoilen_US
dc.subjectDredged materialen_US
dc.subjectBioassayen_US
dc.subjectBiological assayen_US
dc.subjectDredging Operations Technical Support Program (U.S.)en_US
dc.titleRisk of pore water hydrogen sulfide toxicity in dredged material bioassaysen_US
dc.typeReporten_US
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