Designation:D4979−12StandardTestMethodforPhysicalDescriptionScreeningAnalysisinWaste1ThisstandardisissuedunderthefixeddesignationD4979;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisusedtoidentifywastesbydescribingcertainphysicalproperties.Ithasbeendevelopedasarapidbuteffectivemeansforvisuallyscreeningwasteswhenreceivedinthelaboratoryorduringcollectionatthesamplingsite.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specifichazardandwarninginformationisgivenin9.1.6.2.ReferencedDocuments2.1ASTMStandards:2D5681TerminologyforWasteandWasteManagement3.Terminology3.1Definitions:3.1.1FordefinitionoftermsusedinthedocumentrefertoTerminologyD5681.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1screeninganalysis—apreliminaryqualitativeorsemi-quantitativetestthatisdesignedtoefficientlygivetheuserspecificinformationaboutawastethatwillaidindeterminingwasteidentification,processcompatibility,andsafetyinhan-dling.4.SummaryofTestMethod4.1Samplesareinspectedandthephysicalappearanceisrecorded,includingcolor,turbidity,viscosity,physicalstate,layering,andanyotherobservableattribute(forexample,texture).5.SignificanceandUse5.1Thistestmethodisintendedforusebythoseinthewastemanagementindustriestoaidindescribingthephysicalcharacteristicsofwaste.5.2Thistestmethodhastwouses.Oneistovisuallyscreenwastesbeingreceivedatthelaboratorytoidentifyingdiscrep-anciesbetweenthewaste,manifest,andhistoricaldescriptions.Theotheruseistovisuallyexaminesoilandwatersampleswhiletheyarebeingcollected.Thisinformation,alongwithprofessionaljudgmentduringsamplecollection,canbeusedtoincreaset...
