ASTM D5831-2009 土壤中筛分燃料的标准试验方法

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【英文标准名称】:StandardTestMethodforScreeningFuelsinSoils
【原文标准名称】:土壤中筛分燃料的标准试验方法
【标准号】:ASTMD5831-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D34.01.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorbance;contamination;extraction;fieldscreening;fuels;soils;Coaloil;Crudepetroleumproducts;Dieselenginefueloils;Motoroil;Screenanalysis--soils;Soilsampling;Syntheticmotoroil;Usedmotoroil
【摘要】:Thistestmethodisascreeningprocedurefordeterminingthepresenceoffuelscontainingaromaticcompoundsinsoils.Ifthecontaminantfuelisavailableforcalibration,theapproximateconcentrationofthefuelinthesoilcanbecalculated.Ifthefueltypeisknown,butthecontaminantfuelisnotavailableforcalibration,anestimateofthecontaminantfuelconcentrationcanbecalculatedusingaverageresponsefactors.Ifthenatureofthecontaminantfuelisunknown,acontaminantconcentrationcannotbecalculated,andthetestmethodcanonlybeusedonlytoindicatethepresenceorabsenceoffuelcontamination.Fuelscontainingaromaticcompounds,suchasdieselfuelandgasoline,aswellasotheraromatic-containinghydrocarbonmaterials,suchascrudeoil,coaloil,andmotoroil,canbedeterminedbythistestmethod.Thequantitationlimitfordieselfuelisabout75mg/kg.Approximatequantitationlimitsforotheraromatic-containinghydrocarbonmaterialsthatcanbedeterminedbythisscreeningtestmethodaregiveninTable1.Quantitationlimitsforhighlyaliphaticmaterials,suchasaviationgasolineandsyntheticmotoroil,aremuchhigherthanthoseformorearomaticmaterials,suchascoaloilanddieselfuel.Note18212;ThequantitationlimitslistedinTable1areapproximatevaluesbecauseinthistestmethod,thequantitationlimitcanbeinfluencedbytheparticularfueltypeandsoilbackgroundlevels.ForinformationonhowthevaluesgiveninTable1weredetermined,seeAppendixX1.Datageneratedduringthedevelopmentofthisscreeningtestmethodandotherinformationpertainingtothistestmethodcanbefoundintheresearchreports.(1,2)Whenapplyingthistestmethodtositescontaminatedbydieselfuel,careshouldbetakeninselectingtheappropriateresponsefactorfromthelistgiveninTable2,withconsiderationgiventowhetherornotthefuelcontaminationisfreshorhasundergoneweathering/orbiodegradationprocesses.SeeAppendixX2.Afactortoconsiderinusingthistestmethodiswhetherthecontaminationisamixtureofoneormorefueltypes.Ifthisisthecase,andasite-specificresponsefactor(seeAppendixX2,SectionX2.3)cannotbedetermined,theresponsefactorsfortheindividualfueltypesinthemixtureshouldbeusedtoestimatecontaminantconcentrations.Certainmaterials,suchasasphaltsandasphaltresidualsandoilsandpitchfromtreesandothervegetation,whichrespondasfuelwhentestedbythemethodgivinghighblankabsorbancevalues,mayinterferewithuseofthistestmethod.See8.1.2.1andNote3forinformationondeterminingifthetestmethodcanbeappliedtoaspecificsoilcontainingoneormoreofthesetypesofmaterials.Extractablematerial,whichscattersorabsorbslightat254nm,isapotentialinterferenceforthisscreeningtestmethod.TABLE1ApproximateQuantitationLimitsforVariousFuelTypesinSoilsBasedon0.036AUMaterialLimitofQuantitation(LOQ),mg/kg
CoalOil
21

CrudeOil
61

DieselFuel
75

WeatheredDieselFuel
21

UsedMotorOil
162