Designation:D8334/D8334M−20StandardPracticeforSamplingofCannabis/HempPost-HarvestBatchesforLaboratoryAnalyses1ThisstandardisissuedunderthefixeddesignationD8334/D8334M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Cannabisharvestedmaterialsrequiresamplingstrate-giesthroughouttheirlifecycle,fromcultivationtotheendconsumer.Forpurposesofthisstandard,thetermcannabisisinclusiveofallcannabisinflorescence,includinghempvariet-ies.Thequalitativeandquantitativecharacteristicsofcannabis/hempforhumanoranimalconsumptionhassafetyimplica-tionsthroughoutthelifecyclefromcultivationtoendconsumer.Thisstandardprovidesbestpracticeproceduresandprotocolsforsamplingbatchesofharvestedcannabisinflores-cence.Cannabis/hempmaterialsoftenexhibitvariabilityacrossdifferentpartswithinthesameplantoracrossdifferentplantswithinthesamecultivar,orboth,(1,2).2Thus,samplingstrategiesarerequiredwhichyieldarepresentativeasampleacrossaharvestbatch.Representativesamplingisrequiredtoensurethatthequalitativeandquantitativetestresultsaccu-ratelyreflectcannabinoididentification,potency,identificationandconcentrationofterpenes,concentrationoftracemetals,microbiologicalactivity,mycotoxins,andconcentrationofpesticidesacrossthebatch.1.2Whereproceduralaspectsofthispracticedifferfromlocalregulatoryorjurisdictionalrequirements,thelocalregu-latoryorjurisdictionalauthority’sdirectivesshalltakeprece-dence.1.3Units—ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequiva-lents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofthe...
