WPCh n=6sf;B9-b }T1Ӕٹ<_:^U" 05>Bn$>pU44%f% ]8d|Xlp3AL:W[ MRϰ6)"Nޜ+ouZ8W(Vڝ2TT gpe_} z|FVyZLZOqMMJ/uϧ\V:t stPgНtgdTqhGC`z*:)vb'Y aOe!" =wx%Nn#&4irq}k*`L)F>Q~֘TCeL@fm03,bEUO*b =TE>N3B~p2#}n4[%U*# LUNW % 0ee B}} BUNw@ 4E ^ Y e e e 0t t t t t t t 0J J J  A" 0 m 0  D+ 0K 0 0 jN$UB&HP LaserJet IIIPHPPCL5MS0vL(9 Z 6Times New Roman RegularX(K$TRW\6&A4W\6&A46&A46&A4T XXXX XXX X  x' X<XXX X<XX X<  )X<XX X<UKUS.,UN/CETDG/20/INF.18 # X<XX)X<\#US.,UK.,{   "page  2    d+ +d(9 Z 6Times New Roman Regular EDDDDDNs%q% 3|x(3x$ K!TRW\6&A43'6&A43'T X5HXXX X5HXX X5H  (3x$ K!TRW\6&A43'6&A43'T X5HXXX X5HXX X5H  % $# I&mage <=8C HKKKK(3x$ K!TRW\6&A43'6&A43'T X5HXXX X5HXX X5H  UHT1#4heading 2heading 2&            ??  US     '       'dxd( $ Figure  1  Level 1Level 2Level 3Level 4Level 5P! 8Body Text 2Body Text 2            `-" :Body Text InBody Text Indent 2       ??  US       \  `*Times New RomanTT K!TRW\6&A43'6&A43'T X<XXX X<XX X<   )X<XX X<)k'X)X<UKUS.,3UU8#UN/CETDG/20/INF.18# k'')k## X<X' k3#US.,UK.,RԈ  COMMITTEEOFEXPERTSONTHETRANSPORTOFDANGEROUSGOODS(Twentiethsession,Geneva,716Decemberl998,agendaitem5(b))@!aX<XX X<_PROGRAMME_ԀOFWORK u  @a_Programme_Ԁofworkforthe1999/2000bienniumandrelatedproposals 5 p  @a@@ProvisionsforGasCylinders# X<XXX<#X<XX X<Ԉ  P  @ aTransmittedbytheExpertfromCanada     # X<XXX<#)X<XX X<??US.,_ Proposal    ItistheopinionoftheexpertfromCanadathatthedevelopmentoftheprovisionsforgascylinders,forwhichparagraph6.2.1ofChapter6.2 RequirementsfortheConstructionandTestingofReceptaclesforGasesiscurrentlyreserved,beincludedintheprogrammeofworkforthe1999/2000biennium. Background   E1` hp x (#XE0    ## 0   1.  AsnotedinST/SG/AC.10/C.3/30,paragraph15,theexpertfromtheUnitedStatesofAmerica u hasproposedthattheCommitteesprogrammeofworkforthe1999/2000bienniumshouldincludeprovisionsforgascylinders,inlightofISOsworkonstandardisation. ## 0    ## 0   2.  UnderISOTechnicalCommittee58,GasCylinders,(ISO/TC58),numerousInternational 0 Standardshavebeenpublishedwithrespecttotechnicalrequirementsforgascylinders.Thesestandardsincluderequirementsforthedesign,construction,testing,operation,andfittingsofgascylinders.(SeeAttachment__A.) ## 0    ## 0   3.  UnderISO/TC58,numerousdraftdocumentspertainingtotechnicalrequirementsforgas U  cylindersarenearpublicationasInternationalStandards.Thesedocumentsaddressrequirementsforthedesign,construction,testing,operation,andfittingsofgascylinders.(SeeAttachmentB.)Threenotabledraftstandards,98091and98092pertainingtotheconstructionofseamlesssteelcylindersand7866pertainingtotheconstructionofseamlessaluminumcylinders,areapproachingthefinalstages. ## 0    ## 0   4.  ThesetechnicalInternationalStandardsshouldbeconsideredforreferencebythe u%"' RecommendationsontheTransportofDangerousGoodsModelRegulations. ## 0    ## 0   5.  UnderISO/TC58,adocumententitledISO/CD14600, BasicRulesforanInternational (P%* QualityAcceptanceSystemforISOGasCylinders,isbeingdevelopedtoaccompanythetechnicalconstructionstandards.Thisdocumentaddressestheinspection,qualityassurance,andcertificationrequirementsforthemanufactureofgascylinders. ## 0    ## &          0   0##Oncepublished,thisstandardwillprovideaframeworkfortheharmonisationofinspectionandqualityassurancerequirementsandabasisfortheworldwiderecognitionofcylindersmanufacturedinaccordancewiththeseISOStandards. ## 0    ## 0   0##ItisanticipatedthatthisdocumentwillbepublishedasanInternationalStandardtowardstheendofthenextbiennium.Atthattime,itshouldalsobeconsideredforreferencebytheRecommendationsontheTransportofDangerousGoodsModelRegulations.1.5## &          0    ## 3"&        ????.,   E+ 8 @HP "XE  )& &X)X<ATTACHMENTA )  } "h ??.,??.,    '}x       "&        ????.,????.,    STANDARDSANDTECHNICALREPORTSPUBLISHED   - "w ??.,??.,    '-       'XU  XX'0     # # 0   ISO/TC58Gascylinders ` # # 0     # # E(  hp x (#XU  XE0  ISO32:1977 Gascylindersformedicaluse!Markingforidentification  # # '      ????.,????.,  0  ISO3500:1990 SeamlesssteelCO2cylindersforfixedfirefightinginstallationsonshipse  # # '??.,??.,??.,??.,        0  ISO3807:1977 Dissolvedacetylenecylinders!Basicrequirements=  # # 0  ISO7225:1994 Precautionarylabelsforgascylinders(correctedandreprinted1995)   # # 0  ISO10286:1996 Gascylinders!Terminology p  # # '      ????.,????.,  0  ISO111141:1997 Transportablegascylinders!Compatibilityofcylinderandvalvematerialswithgas  H  contents!Part1:Metallicmaterials  # # 0  ISO111143:1997 Transportablegascylinders!Compatibilityofcylinderandvalvematerialswithgas u  contents!Part3:Autogenousignitiontestinoxygenatmosphere  # # '??.,??.,??.,??.,        0    # # 0  ISO/TC58/SC2Gascylinders!Cylinderfittings   # # H1` hp x (# XH0    ## B(  hp x (#XB0  ISO407:1991 Smallmedicalgascylinders!Pinindexyoketypevalveconnections0 # # 0  ISO5145:1990 Cylindervalveoutletsforgasesandgasmixtures!Selectionanddimensioning # # 0  ISO/TR7470:1988 Valveoutletsforgascylinders!Listofprovisionswhichareeitherstandardizedorinuse] # # 0  ISO10156:1996 Gasesandgasmixtures!Determinationoffirepotentialandoxidizingabilityforthe 5 selectionofcylindervalveoutlets  # # 0  ISO10298:1995 Determinationoftoxicityofagasorgasmixtureh # # 0  ISO10920:1997 Transportablegascylinders!25Etaperthreadforconnectionofvalves!Specification@ # # 0  ISO11117:1998 Gascylinders!Valveprotectioncapsandvalveguardsforindustrialandmedicalgas  cylinders!Design,construction,andtests  # # 0  ISO11191:1997 Gascylinders!25Etaperthreadforconnectionofvalvestogascylinders!Inspection E gauges  # # 0  ISO13338:1995 Determinationoftissuecorrosivenessofagasorgasmixturex # # 0  ISO13341:1997 Transportablegascylinders!FittingofvalvestogascylindersP # # 0    # # 0  0 # #  ISO/TC58/SC3Gascylinders!Cylinderdesign }  # # 0    # # 0  ISO4705:1983 Refillableseamlesssteelgascylinders-!" # # 0  ISO4706:1989 Refillableweldedsteelgascylinders"# # # 0  ISO/TR13763:1994 Safetyandperformancecriteriaforseamlessgascylinders"`$ # # 0    # # 0  0 # #  ISO/TC58/SC4Gascylinders!Operationalrequirementsforgascylinders $ & # # 0    # # 0  ISO6406:1992 Periodicinspectionandtestingofseamlesssteelgascylinders=&!( # # 0  ISO10460:1993 Weldedcarbonsteelgascylinders!Periodicinspectionandtesting'") # # 0  ISO10461:1993 Seamlessaluminumalloygascylinders!Periodicinspectionandtesting'p#* # # 0  ISO10462:1994 Cylindersfordissolvedacetylene!Periodicinspectionandmaintenance(correctedand (H$+ reprinted1995)  # # 0  ISO10463:1993 Cylindersforpermanentgases!Inspectionattimeoffillingu*%- # # 0  ISO11113:1995 Cylindersforliquefiedgases(excludingacetyleneandLPG)!InspectionattimeoffillingM+&. # # 0  ISO11372:1995 Cylindersfordissolvedacetylene!Inspectionattimeoffilling%,'/ # # 0  ISO11621:1997 Gascylinders!Proceduresforchangeofgasservice,(0 # # 0  ISO11625:1998 Gascylinders!Safehandling-X)1 # # 0  ISO11755:1996 Cylindersinbundlesforpermanentandliquefiablegases(excludingacetylene)! .0*2 Inspectionattimeoffilling  # # 0  ISO13770:1997 Aluminumalloygascylinders!Operationalrequirementsforavoidanceofneckand ]0+4 shouldercracks  # # H1` hp x (# XH0    2-6## 0    } 0    ## 3"&        ????.,   E+ 8 @HP "XE  ATTACHMENTB 4  } "T3 ??.,??.,    '}d3       "&        ????.,????.,    DRAFTDOCUMENTS 5  - "(5 ??.,??.,    '-85       E1` hp x (#XE0    ## 0    ## 0   ISO/TC58Gascylinders 8## 0    ## '      ????.,????.,  B(  hp x (#XB0  ISO/DIS38071 Dissolvedacetylenecylinders!Basicrequirements!Part1:Cylinderswithoutfusible e  plugs  # # 0  ISO/DIS38072 Dissolvedacetylenecylinders!Basicrequirements!Part2:Cylinderswithfusibleplugs   # # 0  ISO/DIS111142 Transportablegascylinders!Compatibilityofcylinderandvalvematerialswithgas  p  contents!Part2:Nonmetallicmaterials  # # 0  ISO/NP111144 Transportablegascylinders!Compatibilityofcylinderandvalvematerialswithgas   contents!Part4:Testmethodsforselectingmetallicmaterialsresistanttohydrogenembrittlement  # # 0  ISO/CD14600 Transportablegascylinders!Internationalqualityassurancesystem%  # # E.` hp x (# XE'7??.,??.,??.,??.,        <(  hp x (#X<0  ISO/TC58/SC2Gascylinders!Cylinderfittings 0 # # '      ????.,????.,  E.` hp x (# XE<(  hp x (#X<0  ISO/FDIS10297 Gascylindervalves!Specificationsandtypetesting(allgasesexceptLPG)] # # '>??.,??.,??.,??.,        0  ISO/CD106921 Connectionsforgascylindervalvesforultrahighintegrityservice!Part1:Outlet 5 connections  # # 0  ISO/WD106922 Connectionsforgascylindervalvesforultrahighintegrityservice!Part2:Inlet h connections  # # 0  ISO/DIS111161 Gascylinders!17Etaperthreadforconnectionofvalvestogascylinders!Part1:  Specifications  # # 0  ISO/DIS111162 Gascylinders!17Etaperthreadforconnectionofvalvestogascylinders!Part2: E Inspectiongauges  # # 0  ISO/DIS122091 Outletconnectionsforgascylindervalvesforcompressedbreathableair!Part1:Yoke x typeconnections  # # 0  ISO/DIS122092 Outletconnectionsforgascylindervalvesforcompressedbreathableair!Part2: ( Threadedconnections  # # 0  ISO/DIS122093 Outletconnectionsforgascylindervalvesforcompressedbreathableair!Part3:Adaptor U ! for232barvalves  # # 0  ISO/WD13339 Procedureforthedeterminationoftheoxipotentialofoxidizinggasesandgasmixtures "# includingtoxicandcorrosivegases  # # 0  ISO/DIS13340 Valvesfornonrefillablegascylinders#8% # # 0  ISO/NP14245 Specificationandtestingforliquefiedpetroleumas(LPG)valves$ & # # 0  ISO/DIS14246 Transportablegascylinders!Gascylindervalves!Manufacturingtestsand__inspectionse% ' # # 0  ISO/NP15245 Gascylinders!Parallelthreads!Specifications=&!( # # 0  ISO/NP15246 Gascylinders!Parallelthreads!Gauging'") # # 0  ISO/NPXXXXX Specificationsandtestingformanuallyoperatedliquefiedpetroleumgasvalves'p#* # # 0  ISO/NPYYYYY Performanceandtypetestingofresidualpressurevalvesandtheirfillingadaptors(H$+ # # 0    # # 0    # # 0  ISO/TC58/SC3Gascylinders!Cylinderdesign M+&. # # 0    # # '      ????.,????.,  0  ISO/DIS7866 Refillabletransportableseamlessaluminumalloygascylindersforworldwideusage! ,(0 Design,manufacture,andacceptance  # # 'mK??.,??.,??.,??.,        0  ISO/DIS98091 Transportableseamlesssteelgascylinders!Design,construction,andtesting!Part1: .0*2 Quenchedandtemperedsteelcylinderswithtensilestrengthlessthan1100MPa  # # 0  ISO/DIS98092 Transportableseamlesssteelgascylinders!Design,construction,andtesting!Part2: ]0+4 Quenchedandtemperedsteelcylinderswithtensilestrengthgreaterthanorequalto1100MPa 2-6 # # 0  ISO/NP98093 Transportableseamlesssteelgascylinders!Design,construction,andtesting!Part3: } Normalizedsteelcylinders  # # 0  ISO/DIS11118 Nonrefillablegascylinders!Specificationsandtestmethods- # # 0  ISO/CD111191 Gascylindersofcompositematerial!Specificationsandtestmethods!Part1:Hoop  wrapped,metallicliner  # # 0  ISO/CD111192 Gascylindersofcompositematerial!Specificationsandtestmethods!Part2:Fully 8 wrapped,metallicliner  # # 0  ISO/CD111193 Gascylindersofcompositematerial!Specificationsandtestmethods!Part3:Fully e  wrapped,nonmetallicliner  # # 0  ISO/DIS11120 GascylindersRefillableseamlesssteelgascylinders,capacitybetween150Land3000L    !Designandtesting  # # 0  ISO/DIS11439 Highpressurecylindersfortheonboardstorageofnaturalgasasafuelforautomotive  H  vehicles  # # 0  ISO/WD12391 Seamlesssteelgascylinders!Toughnessandacceptancelevelsofsteelsofstrengthlevels u  above1100N/mm2M  # # 0    # # 0  0  ISO/TC58/SC4Gascylinders!Operationalrequirementsforgascylinders   # # H1` hp x (# XH0    ## B(  hp x (#XB0  ISO/DIS10464 Liquefiedpetroleumgascylinders!Periodicinspectionandtesting0 # # 0  ISO/DIS10691 Cylindersforliquefiedpetroleumgas!Inspectionatthetimeoffilling # # 0  ISO/CD11622 Fillingratios,fillingpressures,andprovisionsforsafetydevicesforgascylinders] # # 0  ISO/DIS11623 Compositegascylinders!Periodicinspectionandtesting5 # # 0  ISO/CD13769 Gascylinders!Stampmarking  # # H1` hp x (# XH0   # & & &)&#US.,??.,_