【英文标准名称】:StandardTestMethodforWaterandSedimentinFuelOilsbytheCentrifugeMethod(LaboratoryProcedure)
【原文标准名称】:离心法测定燃料油中水分及沉淀物的标准试验方法(实验室法)
【标准号】:ASTMD1796-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D02.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;石油产品;润滑剂;含量测定;水;沉积物
【英文主题词】:centrifuge;fueloils;toluenesaturation;waterandsediment
【摘要】:Thewaterandsedimentcontentoffueloilissignificantbecauseitcancausecorrosionofequipmentandproblemsinprocessing.Adeterminationofwaterandsedimentcontentisrequiredtomeasureaccuratelynetvolumesofactualfueloilinsales,taxation,exchanges,andcustodytransfers.1.1Thistestmethoddescribesthelaboratorydeterminationofwaterandsedimentinfueloilsintherangefrom0to30%volumebymeansofthecentrifugeprocedure.Note1Withsometypesoffueloilssuchasresidualfueloilsordistillatefueloilscontainingresidualcomponents,itisdifficulttoobtainwaterorsedimentcontentswiththistestmethod.Whenthissituationisencountered,TestMethodD95(APIMPMSChapter10.5)orTestMethodD473(APIMPMSChapter10.1)maybeused.Note2APIMPMSChapter10.6(TestMethodD1796)alongwithAPIMPMSChapter10.3(TestMethodD4007)formerlysupersededAPIStandard2548.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificprecautionarystatement,see.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:StandardGuideforStrategiesforSurfaceSamplingofMetalsandMetalloidsforWorkerProtection
【原文标准名称】:工人保护用金属和类金属制品的表面取样策略标准指南
【标准号】:ASTMD7659-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D22.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:occupationalhealth;occupationalsafety;surfacesampling;surfacesamplingstrategies;workerprotection;workplaceprotection
【摘要】:Thisguidedescribesapproacheswhichcanbeusedtodeterminesurfacesamplingstrategiesbeforeanyactualsurfacesamplingoccurs.Thestrategyselectionprocessneedstoconsideranumberoffactors,including,butnotlimitedto,purposeforsampling,fitnessofthesamplingstrategyforthatpurpose,dataqualityobjectivesandhowthedatawillbeused,abilitytoexecutetheselectedstrategy,andabilityoftheanalyticallaboratory(fixed-siteorin-field)toanalyzethesamplesoncetheyarecollected.Forthepurposesofsampling,andforthematerialssampled,surfacesamplingstrategiesaremattersofchoice.Workplacesamplingmaybeperformedforsingleormultiplepurposes.Conflictsmayarisewhenasinglesamplingstrategyisexpectedtosatisfymultiplepurposes.Limitationsofcost,space,powerrequirements,equipment,personnel,andanalyticalmethodsneedtobeconsideredtoarriveatanoptimumstrategyforeachpurpose.Astrategyintendedtosatisfymultiplepurposeswilltypicallybeacompromiseamongseveralalternatives,andwilltypicallynotbeoptimalforanyonepurpose.Thepurposeorpurposesforsamplingshouldbeexplicitlystatedbeforeasamplingstrategyisselected.Goodpractice,regulatoryandlegalrequirements,costofthesamplingprogram,andtheusefulnessoftheresultsmaybemarkedlydifferentfordifferentpurposesofsampling.Thisguideisintendedforthosewhoarepreparingtoevaluateaworkplaceenvironmentbycollectingsamplesofmetalsormetalloidsonsurfaces,orwhowishtoobtainanunderstandingofwhatinformationcanbeobtainedbysuchsampling.Thisguidecannottaketheplaceofsoundprofessionaljudgmentindevelopmentandexecutionofanysamplingstrategy.Inmostinstances,astrategybasedonastandardpracticeormethodwillneedtobeadjustedduetoconditionsencounteredinthefield.Documentationofanyprofessionaljudgmentsappliedtodevelopmentorexecutionofasamplingstrategyisessential.Thisguideshouldnotbeusedasastand-alonedocumenttoevaluateanygivencontaminantorchemicalspecies.Thesurfacesamplingtechniquesdescribedinthisguideareintendedforthedeterminationofmetalsandmetalloidsonsurfaces,orforthedeterminationofloadingsofembeddedmetallicresiduesinsurfacecoverings.Thesetechniquesmaynotaccuratelyreflectthetransferabilityorbioavailabilityofsuchresiduesbywayofdermalcontactorinhalationofresuspendedrespirabledust.1.1Thisguideprovidescriteriatobeusedindefiningstrategiesforsamplingformetalsandmetalloidsonsurfacesforworkplacehealthandsafetymonitoringorevaluation.1.2Guidanceprovidedbythisstandardisintendedforsamplingofmetalsandmetalloidsonsurfacesforsubsequentanalysisusingmethodssuchasatomicspectrometry,massspectrometry,X-rayfluorescence,ormolecularfluorescence.Guidanceforevaluationofdataaftersampleanalysisisincluded.1.3Samplingforvolatileorganometallicspecies(forexample,trimethyltin)isnotwithinthescopeofthisguide.1.4Samplingtodeterminelevelsofmetalsormetalloidsontheskinisnotwithinthescopeofthisguide.1.5Samplingforairborneparticulatematterisnotwithinthescopeofthisguide.GuideE1370providesinformationonairsamplingstrategies.1.6Wheresurfacesamplingisprescribedbylaworregulation,thisguideisnotintendedtotaketheplaceofanyrequirementsthatmaybespecifiedinsuchlaworregulation.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8