Designation:D4687−14StandardGuideforGeneralPlanningofWasteSampling1ThisstandardisissuedunderthefixeddesignationD4687;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONTheanalysisandtestingofsolidwasterequirescollectionofadequatelysized,representativesamples.Wastesarefoundinvariouslocationsandphysicalstates.Therefore,eachsamplingroutineshallbetailoredtofitthewasteandsituation.Wastesoftenoccurasnonhomogeneousmixturesinstratifiedlayersoraspoorlymixedconglomerations.Forexample,wastesarecommonlystoredordisposedofinsurfaceimpoundmentswithstratifiedorlayeredsludgescoveredbypondedwastewater.Inthesesituations,thecollectormaybefacedwithsamplingthewastewater,thesludge,andsomedepthofsoilbeneaththesludges.Collectingrepresentativesamplesinthesesituationsrequiresacarefullyassessed,well-planned,andwell-executedsamplingroutine.1.Scope1.1Thisguideprovidesinformationforformulatingandplanningthemanyaspectsofwastesampling(see1.2)thatarecommontomostwastesamplingsituations.1.2Theaspectsofsamplingthatthisguideaddressesareasfollows:SectionSafetyplans4Samplingplans5Qualityassuranceconsiderations6Generalsamplingconsiderations7Preservationandcontainerization8Cleaningequipment9Packaging,labeling,andshippingprocedures10Chain-of-custodyprocedure111.3Thisguidedoesnotprovidecomprehensivesamplingproceduresfortheseaspects,nordoesitserveasaguidetoanyspecificapplication.Itistheresponsibilityoftheusertoassurethattheproceduresusedareproperandadequate.1.4Units—Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappr...
