【英文标准名称】:StandardGuideforConductingSedimentToxicityTestswithPolychaetousAnnelids
【原文标准名称】:带多毛纲环节动物的沉积物毒性试验用标准指南
【标准号】:ASTME1611-2000(2007)
【标准状态】:现行
【国别】:
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E47.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:沉积物;毒物学;水
【英文主题词】:acutetoxicitytests;chronictoxicitytests;estuarineenvironments;experimentaldesign;exposuretests;growth;LC50test;marineenvironments;Neanthes;polychaetes;referencetoxicants;salinewater;saltwater;sediment;sediment
【摘要】:1.1Thisguidecoversproceduresforobtaininglaboratorydataconcerningtheadverseeffectsofpotentiallycontaminatedsediment,orofatestmaterialaddedexperimentallytocontaminatedoruncontaminatedsediment,onmarineorestuarineinfaunalpolychaetesduring10-dayor20to28-dayexposures.Theseproceduresareusefulfortestingtheeffectsofvariousgeochemicalcharacteristicsofsedimentsonmarineandestuarinepolychaetesandcouldbeusedtoassesssedimenttoxicitytootherinfaunaltaxa,althoughmodificationsoftheproceduresappropriatetothetestspeciesmightbenecessary.Proceduresforthe10-daystatictestaredescribedforNeanthesarenaceodentataandNeanthesvirensandforthe20to28-daystatic-renewalsedimenttoxicityforN.arenaceodentata.1.2Modificationsoftheseproceduresmightbeappropriateforothersedimenttoxicitytestprocedures,suchasflow-throughorpartiallife-cycletests.Themethodsoutlinedinthisguideshouldalsobeusefulforconductingsedimenttoxicitytestswithotheraquatictaxa,althoughmodificationsmightbenecessary.Othertestorganismsmightincludeotherspeciesofpolychaetes,crustaceans,andbivalves.1.3Othermodificationsoftheseproceduresmightbeappropriateforspecialneedsorcircumstances.Althoughusingappropriateproceduresismoreimportantthanfollowingprescribedprocedures,theresultsoftestsconductedusingunusualproceduresarenotlikelytobecomparabletothoseofmanyothertests.Comparisonsoftheresultsobtainedusingmodifiedandunmodifiedversionsoftheseproceduresmightprovideusefulinformationconcerningnewconceptsandproceduresforconductingsedimenttestswithinfaunalorganisms.1.4Theseproceduresareapplicabletosedimentscontaminatedwithmostchemicals,eitherindividuallyorinformulations,commercialproducts,andknownorunknownmixtures.Theseprocedurescanbeusedwithappropriatemodificationstoconductsedimenttoxicitytestsonfactorssuchastemperature,salinity,dissolvedoxygen(DO),andnaturalsedimentcharacteristics(forexample,particlesizedistribution,organiccarboncontent,andtotalsolids).Theseprocedurescanalsobeusedtoconductbioconcentrationtestsandinsitutests,andtoassessthetoxicityofpotentiallycontaminatedfieldsediments,orofmaterialssuchassewagesludge,oils,particulatematter,andsolutionsoftoxicantsaddedtosediments.Amedianlethalconcentration(LC50)ormediansublethaleffectconcentration(EC50)oftoxicantsorofhighlycontaminatedsedimentmixedintouncontaminatedsedimentcanbedetermined.Materialsadheringtosedimentparticlesordissolvedininterstitialwatercanbetested.1.5Theresultsof10-daytoxicitytestswithcontaminatedsedimentscanbereportedasaLC50ifaseriesofconcentrationsistestedorasapercentmortalityrelativetoacontrolorreferencesediment.Theresultsof20to28-daytoxicitytestswithcontaminatedsedimentscanbereportedasaLC50ifaseriesofconcentrationsistestedorasapercentmortalityorgrowthrelativetoacontrolorreferencesediment.1.6Thisguideisarrangedasfollows:1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection8.
【中国标准分类号】:Z12
【国际标准分类号】:13_060_70
【页数】:26P.;A4
【正文语种】: