【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
基本信息
| 标准名称： | 机床电气系统辅件 双管固定座 |
| 中标分类： |
机械 >>
金属切削机床 >>
机床零部件 |
| 替代情况： | 生产的企业很少，企业可根据需要制定企业标准。 |
| 发布部门： | 国家机械工业局 |
| 发布日期： | 1998-07-17 |
| 实施日期： | 1998-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2008-01-23 |
| 归口单位： | 全国金属切削机床标委会 |
| 出版社： | 机械工业出版社 |
| 出版日期： | 1998-11-01 |
| 页数： | 3 页 |
| 批文号： | 国机科[1998]278号 |
适用范围
JB/T 8774.13-1998
前言
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目录
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引用标准
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所属分类： 机械 金属切削机床 机床零部件