ASTM_D_8450_-_22.pdf

Designation:D845022Standard Specification forEnvironmental Conditions While Packaging Cannabis/HempFlower1This standard is issued under the fixed designation D8450;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.INTRODUCTIONThe cannabis/hemp industry,from seed to consumption,is undergoing a transition and moderniza-tion.Thus,standards for ensuring safety,quality,and weight stabilization during key steps of thecannabis/hemp flowers sojourn are in order.This specification is needed to ensure safety,quality,andweight stabilization of cannabis/hemp flower and will be used by purveyors who move the cured cropto packaging used for distribution to another licensed operator or the end user.1.Scope1.1 This standard specifies the environmental conditions,such as temperature,humidity,and lighting,under whichcannabis/hemp flowers intended for human use are to bepackaged to ensure the safety,quality,and weight stabilizationof the packaged flower.This specification does not apply tofrozen cannabis/hemp nor to cannabis/hemp intended forextraction.1.2 This specification applies only to controlling an indoorenvironment(heat,cooling,humidity control)surroundingpackaging operations.Outdoor operations are outside the scopeof this specification and are not addressed.1.3 This specification is to be followed by licensed opera-tors in the cannabis/hemp space who move the cured crop(s)into consumer or non-consumer packaging used for distribu-tion.1.4 Security of the cannabis/hemp flower during the pack-aging process is not within the scope of this specification.1.5 This specification is intended to remain valid until thepackaged cannabis/hemp flower is placed in storage or transit.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D8197 Specification for Maintaining Acceptable Water Ac-tivity(aw)Range(0.55 to 0.65)for Dry Cannabis FlowerIntended for Human/Animal UseD8270 Terminology Relating to Cannabis3.Terminology3.1 Definitions:3.1.1 GeneralDefinitions are in accordance with Termi-nology D8270,unless otherwise indicated.3.2 Definitions of Terms Specific to This Standard:3.2.1 environmental conditions,nthe atmosphere immedi-ately surrounding the cannabis/hemp flower as it is transferredfrom drying/curing to packaging,whether controlled within theimmediate vicinity in which the flower is contained,or in thelarger space surrounding the packaging operation of the flower.3.2.2 mean kinetic temperature,na simplified way ofexpressing the overall effect of temperature fluctuations duringstorage or transit of perishable goods.3.2.2.1 DiscussionThe MKT is widely used in the phar-maceutical industry.The mean kinetic temperature can beexpressed as(1):31This specification is under the jurisdiction of ASTM Committee D37 onCannabis and is the direct responsibility of Subcommittee D37.04 on Processing andHandling.Current edition approved May 1,2022.Published July 2022.DOI:10.1520/D8450-22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The boldface numbers in parentheses refer to the list of references at the end ofthis standard.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1TK5 HR2lnt1eHRT1!1 t2eHRT2!1 1 tneHRTn!t11 t21 1 tn#(1)where:TK=mean kinetic temperature in kelvins(K),H=activation energy(in kJ mol1),R=gas constant(in J mol1K1),T1to Tn=temperatures at each of the sample points inkelvins,andt1to tn=time intervals at each of the sample points.3.2.3 relative humidity,nthe relative humidity(RH)of anair-water mixture is defined as the ratio of the partial pressureof water vapor(pH2O)in the mixture to the equilibrium vaporpressure of water(pH2O)over a flat