Designation:D5928−96(Reapproved2010)´1StandardTestMethodforScreeningofWasteforRadioactivity1ThisstandardisissuedunderthefixeddesignationD5928;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.´1NOTE—EditorialchangesweremadethroughoutinJanuary2010.1.Scope1.1Thistestmethodcoversthescreeningfora–,b–,andgradiationaboveambientbackgroundlevelsoruser-definedcriteria,orboth,inliquid,sludge,orsolidwastematerials.1.2Thistestmethodisintendedtobeagrossscreeningmethodfordeterminingthepresenceorabsenceofradioactivematerialsinliquid,sludge,orsolidwastematerials.Itisnotintendedtoreplacemoresophisticatedquantitativeanalyticaltechniques,buttoprovideamethodforrapidlyscreeningsamplesforradioactivityaboveambientbackgroundlevelsoruser-definedcriteria,orboth,forfacilitiesprohibitedfromhandlingradioactivewaste.1.3Thistestmethodmaynotbesuitableforapplicationssuchassiteassessmentsandremediationactivities.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C859TerminologyRelatingtoNuclearMaterials3.Terminology3.1Forterminologyrelatedtoradioactivematerials,seeTerminologyC859.4.SummaryofTestMethod4.1Asampleisheldwithin6mmofthedetectorwindowofaradiationsurveymeter,andthevisibleoraudiblereactionofthemeter,orboth,isnoted.Theuserdefinesanapplication/projectspecific“negative”and“positive”resultcriteria.A“negative”testresultindicatesradiationlevelsarebelowtheuser-establishedcriteria;a“positive”testresultindicatestheradiationlevelsareabovetheuser-establishedcriteria.5.SignificanceandUse5.1Mostfacilitie...
