Designation:D6050−09StandardTestMethodforDeterminationofInsolubleSolidsinOrganicLiquidHazardousWaste1ThisstandardisissuedunderthefixeddesignationD6050;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheap-proximateamountofinsoluble,suspendedsolidmaterialinorganicliquidhazardouswaste(OLHW).1.2Thistestmethodisintendedtobeusedinapproximatingtheamountofinsoluble,suspendedsolidsindeterminingthematerialhandlingcharacteristicsandfuelqualityofOLHW.Itisnotintendedtoreplacemoresophisticatedproceduresforthedeterminationoftotalsolids.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D96TestMethodforWaterandSedimentinCrudeOilbyCentrifugeMethod(FieldProcedure)23.SummaryofTestMethod3.1A10-mLaliquotofOLHWsampleisdecantedintoa15-mLgraduatedcentrifugetubeandcentrifugedfor3min.TheseparatedliquidphaseoftheOLHWisdecantedintoanappropriatewastevessel.Thecentrifugetubewiththesepa-ratedsolidmaterialisbroughtbacktoitsoriginal10-mLvolumewithauser-selectedblendofcleansolventsandagitatedtomixthesolidandliquidphases.Thetubeiscentrifugedfor2min,andtheamountofremainingsolidmaterialisread.4.SignificanceandUse4.1Ahighpercentageofinsoluble,suspendedsolidmaterialcancreatepumping,filtering,orgrindingdifficultiesintheoff-loadingofbulkshipmentsofOLHWandcancontributetoexcessivewearonprocessingequipment.Highsolidscanalsodecreasethequalityandconsistencyofcommingledsolutionsbydecreasingtheeffectivenessofagitationinstoragetanks.Theseissuesareofconcerntotherecyclingindustries(solvents,paints,andothermaterialshandledinsignificant...
