ASTM_D_7326_-_12.pdf

Designation:D732612Standard Practice forHandling,Transportation,and Storage of HFC Blend B(CH2FCF3,CHF2CF3,and CO2)1This standard is issued under the fixed designation D7326;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.1.Scope1.1 This practice covers guidance and direction to suppliers,reclaimers,purchasers,andusersinthehandling,transportation,and storage of HFC Blend B.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 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 and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D7327 SpecificationforHFCBlendB(CH2FCF3,CHF2CF3,and CO2)2.2 CGA Standards:3C-1 Methods for Hydrostatic Testing of Compressed GasCylindersC-6 Standards for Visual Inspection of Steel CompressedGas CylindersC-7 Guide to Preparation of Precautionary Labeling andMarking of Compressed Gas ContainersP-1 Safe Handling of Compressed Gases in ContainersSB-1Safety Bulletin:Hazards of Refilling CompressedRefrigerant(Halogenated Hydrocarbon)Gas CylindersSB-5 Safety Bulletin:Hazards of Reusing Disposable Re-frigerant(Halogenated Hydrocarbon)Gas CylindersSB-18 Safety Bulletin:Use of Refrigerant(HalogenatedHydrocarbons)Recovery Cylinders2.3 U.S.Government Standards:4CFR Title 49,Part 172,Subpart D,U.S.Department ofTransportation(DOT),Marking Requirements of Packag-ing for TransportationCFR Title 49,Part 172.101,U.S.DOT,Tables of HazardousMaterials and Special ProvisionsCFR Title 49,Part 173,U.S.DOT,Shippers-General Re-quirements for Shipping and PackagingsCFR Title 49,Part 178,U.S.DOT,Specifications for Pack-agingsCFR Title 49,Part 180,U.S.DOT,Continuing Qualificationand Maintenance of Packagings3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 containersstorage vessels for HFC Blend B.3.1.2 cylinderscontainers of HFC Blend B.3.1.3 HFC Blend Btertiary blend comprised of HFC-134a(1,1,1,2-tetrafluoroethane),HFC-125(pentafluoroethane),andcarbon dioxide(CO2);a compound used to inert,extinguish,orsuppress a fire or explosion hazard.3.1.4 insulatedplaced in an isolated situation to protectand prevent the transfer of damage.4.Significance and Use4.1 This practice provides requirements for the handling,transportation,and storage of HFC Blend B encountered indistribution through both commercial and military channels.Itis intended to ensure that HFC Blend B is handled,transported,and stored in such a way that its physical property virtues arenot degraded.Transport may be by various means,such as,butnot limited to,highway,rail,water,and air.5.Practice5.1 To ensure safe handling,loading,unloading,storing,and transporting of material,personnel shall be trained in the1This practice is under the jurisdiction of ASTM Committee D26 on Haloge-nated Organic Solvents and Fire Extinguishing Agents and is the direct responsi-bility of Subcommittee D26.09 on Fire Extinguishing Agents.Current edition approved Sept.1,2012.Published October 2012.Originallyapproved in 2006.Last previous edition approved in 2006 as D7326-061.DOI:10.1520/D7326-12.2For 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.3Available from Compressed Gas Association.Online,.4Available from Superintendent of Documents,U.S.Government PrintingOffice,Washington,DC 20036.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 CGA publications and Title 49 CFR regulations as listed inSections 2.2 and 2.3,respectively.5.2 Handling:5.2.1 Handling shall be in accordance with CGA P-1,SafeHandling of Compressed Gases in Containers.5.2.1.1 Personnel who handle or store,or both,cylinders ofHFC Blend B shall be trained properly to recognize andidentify the characteristics of the product and the propermethods of safely handling full,partially full,and emptycylinders.5.2.2 All HFC Blend B transfers between storage containersand recycling processes shall be performed by personneltrained in handling procedures.5.2.2.1 HFC Blend B recycling and transfer processes shallbe in conjunction with the equipment specified by the manu-facturer.5.2.3 HFC Blend B handling shall be in nonsmoking,heater-free,ventilated areas to preclude product accumulation.Provisions shall be made to ensure that service areas limit HFCB