ASTM_D_7123_-_11.pdf

Designation:D712311Standard Practice forHandling,Transportation,and Storage of HCFC Blend B(CF3CCl2H,Ar,and CF4)1This standard is issued under the fixed designation D7123;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 HCFC 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:D7122 Specification for HCFC Blend B(CF3CCl2H,Ar,andCF4)2.2 CGA Standards:2C-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:3Code of Federal Regulations(CFR)Title 40,Part 82.106,Environmental Protection Agency,Warning StatementRequirementsCFR Title 49,Part 172,U.S.Department of Transportation(DOT),Hazardous Materials Table,Special Provisions,Hazardous Materials Communications,Emergency Re-sponse Information,and Training 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 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 HCFC Blend B.3.1.2 cylinderscontainers of HCFC Blend B.3.1.3 HCFC Blend Btertiary blend comprised primarily ofHCFC-123(2,2-dichloro-1,1,1-trifluoroethane);a compoundused to inert,extinguish,or suppress a fire or explosion hazard.The blend also contains argon and tetrafluoromethane.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 HCFC Blend B encountered indistribution through both commercial and military channels.Itis intended to ensure that HCFC Blend B is handled,transported,and stored in such a way that its physical propertyvirtues are not degraded.Transport may be by various means,such as,but not 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 theCGA 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.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 Aug.1,2011.Published September 2011.Originallyapproved in 2004.Last previous edition approved in 2010 as D7123 04(2010).DOI:10.1520/D7123-11.2Available from Compressed Gas Association.Online,.3Available 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 5.2.1.1 Personnel who handle or store,or both,cylinders ofHCFC 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 HCFC Blend B transfers between storage contain-ers and recycling processes shall be performed by personneltrained in handling procedures.5.2.2.1 HCFC Blend B recycling and transfer processesshall be in conjunction with the equipment specified by themanufacturer.5.2.3 HCFC Blend B handling shall be in nonsmoking,heater-free,ventilated areas to preclude product accumulation.Provisions shall be made to ensure that service areas limitHCFC Blend B concentrations do not exceed 20,000 ppm(2%)by volume for 1 min an