ASTM_D_6268_-_15.pdf

Designation:D626815Standard Practice forHandling,Transportation,and Storage of HFC-125,Pentafluoroethane(C2HF5)1This standard is issued under the fixed designation D6268;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,purchasers,and users in the handling,transportation,andstorage of HFC-125,pentafluoroethane(C2HF5).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:2D6231 Specification for HFC-125(Pentafluoroethane,C2HF5)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-1 Hazards of Refilling Compressed Refrigerant(Haloge-nated 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:4Code of Federal Regulations(CFR)Title 40,Part82.106,Environmental Protection Agency,Warning State-ment RequirementsCFR Title 49,Part 172,U.S.DOT Hazardous MaterialsTable,SpecialProvisions,HazardousMaterialsCommunications,Emergency Response Information,andTraining RequirementsCFR 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 PackagingCFR Title 49,Part 178,U.S.DOT Specification 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-125.3.1.2 cylinderscontainers of HFC-125.3.1.3 HFC-125pentafluoroethane,a compound used toinert,extinguish or suppress 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-125 encountered in distri-bution through both commercial and military channels.It isintended to insure that HFC-125 is handled,transported,andstored in such a way its physical properties are not degraded.Transport may be by various means,such as,but not limited to,highway,rail,water,and air.1This 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 Jan.1,2015.Published April 2015.Originallyapproved in 1998.Last previous edition approved in 2009 as D6268 09.DOI:10.1520/D6268-15.2For 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 the Compressed Gas Association(CGA),14501 George CarterWay,Suite 103,Chantilly,VA 20151,http:/.4Available from U.S.Government Publishing Office,732 N.Capitol St.,NW,Washington,DC 204010001,http:/www.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.Practice5.1 To ensure safe handling,loading,unloading,storing,and transporting of material,personnel shall be trained in theCGA publications and Title 49 CFR regulations as listed in 2.2and 2.3,respectively.5.2 Handling:5.2.1 Handling shall be in accordance with CGA P-1,SafeHandling of Compressed Gases in Containers,and as specifiedby the manufacturer.5.2.1.1 Personnel who handle or store,or both,cylinders ofHFC-125 shall be trained properly to recognize and identify thecharacteristics of the product and the proper methods of safelyhandling full,partly full,and empty cylinders.5.2.2 All HFC-125 transfers between storage containers andrecycling processes shall be performed by personnel trained inhandling procedures.5.2.2.1 HFC-125 recycling and transfer processes shall be inconjunction with the equipment specified by the manufacturer.5.2.3 HFC-125 handling shall be in nonsmoking,heater-free,ventilat