WPC> ~JpVDmHe 夌Imq-POERZ(٨{$*-덧Vwޮ܌Yuu3i~7C9:"&Tp~TF5#O_yU$aj ] WRmdk>'0$}  DF2Y3L 귧8:g!0bpj._C~ Q n opqŦi{sb+)BUDu$žnؚz^|Bʍ` Ia [;Hymz1!Pq=`@fG|B y?h/wzgYVfu[XmhS%Y>lX1uB/9AjFlMhMT*] _V'ǟ7!HTژsW Lj(;q~nE>UBd %U!B 0  0 05 0 0u 0 0 01 0C 0tU 0 0c 0vUB 0 0rgUB 0UL. 0z 0x*! 0" 0jX# 0$ 0b% 06& 09' 0' 0{) 0p) 0\m+^ , 0,w@V- 0-4. 0+.. m.. 0/^ Z0f01n[1 0f8#!S9Nt:U@v::b<b<b<^ s>s>s>^ >\  `*Times New RomanTT  `*Times New RomanTT'  NOTE TC 58 UN 2 Matri, Anna0UN/ECE.15 NOTEZAECH, LINDAKYPTCUGECIDocumentsQCS?SPTC=PERMANENT;922A9WH 4heading 1heading 1&    /% i  P:!/W\  `*Times New RomanTTW     ??  US     &&&W  `*Times New RomanTTW>4X` hp x (#>'    H 4heading 2heading 2&    W\  `*Times New RomanTTW     ??  US     &&&W  `*Times New RomanTTW'    H 4heading 3heading 3&    XXXW\  `*Times New RomanTTW     ??  US     &&&W  `*Times New RomanTTW'    H 4heading 4heading 4&    &&&W\  `*Times New RomanTTW     ??  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US       ^:endnote refeendnote referenceXXXW\  `*Times New RomanTTW        &&&W  `*Times New RomanTTWP8page numberpage numberXXXW\  `*Times New RomanTTW        &&&W  `*Times New RomanTTW-G'(Y2$ 2k!&u%&u%%&u  QQQQQQ Q Q  U(Y2$ 2k!&u%&u%%&u  y'Hing(Y2$ 2k!&u%&u%%&u  U  %'&;$%&;$%%&;$  _UN/_SCETDG_/17/_INF_.14  page  1  (Y2$ 2k!&u%&u%%&u  ,C'  %'&;$%.&%&;$  _UN/_SCETDG_/17/_INF_.14  page  6  AnnexA3|x  \  `*Times New RomanTTC\  P6QP  `*Times New RomanTT&&U P['C&P\  `*Times New RomanTTW\  P6QP\  `*Times New RomanTTXXP\  P6QXP\  `*Times New RomanTT&&J\  P6Q&P! `*Times New RomanTT> P['CP\  `*Times New RomanTTW\  P6QP+`4New Century Schoolbooke P['CP\  `*Times New RomanTTk\  P6QP  `*Times New RomanTTkt P['CP  `*Times New RomanTTkd P['CP(>k$&u%&u%%&uHP LaserJet IIIP0*[X Z (CG Times Regular  )(&;$%&;$%%&;$  _@cc)c0  0$$04$$UN/_SCETDG_/17/_INF_.144$4$ @cccc0  0$$04$$page  1    )(&;$%.&%&;$  _@cc)c0  0$$04$$UN/_SCETDG_/17/_INF_.144$4$ @cccc0  0$$04$$page  6   4$4$ @cc)c0  0$$04$$AnnexA,C',C' 2k!&;$%&;$%%&;$  _TRX6&* X3' Letter6&A43'T 5&%%&;$3  Agendaitem2(a)9$UN/_SCETDG_/17/_INF_.14    #&;$%%5&#  NOTEONTHEPROGRESSMADEONTHEWORKCARRIEDOUT I BYTHETECHNICALCOMMITTEE_ISO_/TC58GASCYLINDERS  ; %&;$;  ;&;$% ;&;$%%&;$TransmittedbytheInternationalOrganizationforStandardization(_ISO_)   Aprogressreportontheworkoftechnicalcommittee_ISO_/TC58wasdistributedtotheUNSubCommitteeofExpertsontheTransportofDangerousGoodsin July1999 (Doc.UN/_SCETDG_/16/_INF_.25).Thisnoteisanupdate  H  ofthatdocumenttakingintoaccounttheprogressmadesincethattime. Pleasenotethat3InternationalStandards    havereachedthepublicationstagesincethen.     -: NX-1.  Refillableseamlessgascylindersforworldwideuse  %`   1.1  Steelgascylinders   Thetrilogyofmodern_ISO_Ԁstandardsforseamlesssteelcylindersupto150_litres_,constitutingthemajorpartofindustrialhighpressurecylindersmanufacturedtoday,isapproachingitscompletion:_ISO_Ԁ980910  0: $$TransportableseamlesssteelgascylindersDesign,constructionandtestingPart1:  Quenchedandtemperedsteelcylinderswithtensilestrengthlessthan1100_MPa_is  published; : $: $ _ISO_/DIS980920 : TransportableseamlesssteelgascylindersDesign,constructionandtestingPart2: P Quenchedandtemperedsteelcylinderswithtensilestrengthgreaterthanorequalto1100   _MPa_Ԁ wasapprovedintheformalvoteandpublicationisnowimminent. : $: $ Thelastone,dealingwithnormalizedsteelcylinders:_ISO_/DIS98093Transportableseamlesssteelgascylinders Y Design,constructionandtestingPart3:Normalizedsteelcylinders, isnowoutforenquiry,closing20000105. )d Theformalvoteisexpectedtotakeplaceaboutayearlater.  8 Theintentisthat_ISO_Ԁ9809,Parts1,2and3shouldreplacetheold_ISO_Ԁ4705,whichhasbecomepartlyobsoleteandnowhasawarningnoteregardingitsusewithsteelswithtensilestrengthabove1100_MPa_. Inaddition,theworkonqualityassurancewillbefinishedasquicklyaspossibleinthe formofaTechnicalReport  !H$ _ISO_/TR14600 tocomplementtheaboveprojects(seesection3ofthisnote).Atechnicalreportdoesnotbyitself !% carryanysignificanceinawayofastandard,butmaybeadoptedbyaregulatorybodyororganization. 2.  Standardsforothertypesofgascylinders %%`") 2.1  Nonrefillableindustrialgascylinders  &$+ TheInternationalStandard ,_ISO_/DIS11118:1999NonrefillablemetallicgascylindersSpecificationandtest e(%- methods wasapprovedintheformalvoteandhasnowbeenpublished. 9)t&.  2.2  Gascylindersofcompositematerials  *(0 Thecompositecylinderstandardizationprojectconsistsofthreepartsasfollows:0   _ISO_/DIS1111910: $$GascylindersofcompositeconstructionSpecificationandtestmethodsPart1:Hoop .T+4 wrappedcompositegascylinders;.$,5: $: $ _,__6_0   _ISO_/DIS1111920: $$GascylindersofcompositeconstructionSpecificationandtestmethodsPart2:Fully /,6 wrappedfibrereinforcedcompositegascylinderswithloadsharingmetalliners;0-7: $: $ 0   _ISO_/DIS1111930: $$GascylindersofcompositeconstructionSpecificationandtestmethodsPart3:Fully Y1.8 wrappedfibrereinforcedcompositegascylinderswithnonmetallicandnonloadsharingmetalliners.#240:: $: $ n #Ї Allthreedocumentsarenowoutfortheenquiryvote,closing20000223.Theformalvoteisexpectedtotake E placeayearlater.   0   2.3  Highpressurecylindersfortheonboardstorageofnaturalgasasafuelforautomotivevehicles p$$ ADraftInternationalStandard(_ISO_/DIS11439)dealingwithabroadspectrumofhighpressurecylinderdesignsfortheonboardstorageofnaturalgasasafuelforautomotivevehicleshasbeenestablishedinajointworkinggroupfromtechnicalcommittees_ISO_/TC58Gascylindersand_ISO_/TC22Roadvehicles.Thisworkinggroupis_ISO_/TC   58/SC3/_WG_Ԁ17Compressednaturalgascylindersforroadvehicles.ThisDraftInternationalStandardwas   acceptedinaparallelenquirywithin_ISO_Ԁand_CEN_. Theformalvoteisexpectedtotakeplaceinthebeginning  P  of2000. TheworkiscarriedoutinliaisonwiththemeetingofExpertsonPollutionandEnergyandwiththe i $  SubcommitteeofExpertsontheTransportofDangerousGoods. 2.4  Cylindersforacetylene    ThefollowingFormalDraftInternationalStandardsarepresentlyon formalvote,closing19991215.Ifthe }8  _FDISes_Ԁareaccepted,thefinalpublicationoftheInternationalStandardswouldtakeplaceintheearlypartof2000.  !   0   _ISO_/_FDIS_ 380710: $$CylindersforacetyleneBasicrequirementsPart1:Cylinderswithoutfusibleplugs | (Partialrevisionof_ISO_Ԁ3807:1977);P: $: $ 0   _ISO_ / _FDIS_ 38072 0: $$ CylindersforacetyleneBasicrequirementsPart2:Cylinderswithfusibleplugs(Partial e  revisionof_ISO_Ԁ3807:1977).9: $: $  3.  Qualityassurance_programme_  d ACDwassentoutforcommentsinlate1998andmetwithsomeprincipalobjections,mainlyrelatedtothattheproposedtextimposedcertainrequirementsonRegulatoryAuthorities,etc.thatwouldbebeyondthecapacityofan_ISO_Ԁstandard.ItwasthendecidedataTC58plenarymeetingtoredirecttheworkanddevelopaTechnicalReport(_ISO_ / TR 14600 Basicrulesforaninternationalqualityacceptancesystemfor_ISO_Ԁgascylinders).ThisTRmay t thenbeadoptedinwholeorinpartbyUN_CETDG_ԀandincorporatedintotheOrangeBook.Adraftwillbepreparedbytheendof1999andcontactswillthenbetakenagainwith_CASCO_Ԁand_ISO_/TC176forpossible_harmonisation_withgeneral_ISO_Ԁrequirementsonconformityassessmentstandards .TheaimistohaveanenquiryfortheTR - ! circulatedinthebeginningof2000. The_convenor_Ԁoftheworkinggroupcanbereachedbythefollowingaddress: !" Mr._J.G._ԀMarshConvenerof_ISO_/TC58/_WG_Ԁ97229WalkerRoadAMHERSTBURG,ONTARIOCanadaN9V2Y7_TP_Ԁ+15196821313(office)/+15197266784(home)_TF_Ԁ+15196823630;email:jgmarsh@mail.wthg.com &  4.  Oxidizinggasesandgasmixtures,includingtoxicandcorrosivegases )$-  ThefollowingWorkingDraftisbeingpreparedby_WG_Ԁ7ofsubcommittee_ISO_/TC58/SC2:0   _ISO_/WD133390: $$Procedureforthedeterminationofthe_oxipotential_Ԁofoxidizinggasesandgasmixtures 5-'1 includingtoxicandcorrosivegases..(2: $: $ ??US.,')'_Thisworkitemwasoverdueattheendof1999andsubsequentlycancelled.Ithastoberevotedtobeactivatedagain.  _ E1,6 &   5.  Additionalworkinprogress E 5.1  Compatibilitybetweengasesandmaterials  'E2*5.1.1  Metallicandnonmetallicmaterials @  ThefollowingDraftInternationalStandardwasacceptedintheenquiryandis nowonparallel(CEN/ISO)formal %  voteclosing20000202 .   <: N: N<0    $$ 0   prENISO111142:19980 $$TransportablegascylindersCompatibilityofcylinderandvalvematerialswith  X  gascontentsPart2:Nonmetallicmaterials.m (  $ $  5.1.2  Hydrogen     ISO/NP111144dealswithtestingforthecompatibilityofmetallicmaterialswithhydrogen.Thescopeoftheprojectispresentlylimitedtosteels.ConsiderableprogresswasmadeatthelastWGmeetinginOct.1999andaCDisexpectedduring2000.ThenextWGmeetingwilltakeplaceonFeb.17,2000inClearwater,Florida. 5.1.3  Terminology   TheInternationalStandardISO10286Terminology,ispresentlyunderrevisionwithregardtodefinitionsofvarious H statesofgases(compressed,liquefied,dissolved,etc.)andpressures(working,settledoperating,etc.)inordertoharmonisewithotherregulationssuchastheUNOrangeBook,ADR,etc. ACDisnowcirculatedforsubmission - asaDIS,thevoteclosing20000201.5.20  OngoingworkwithinsubcommitteeISO/TC58/SC2GascylindersCylinderfittings \$$ ThefollowingInternationalStandardshavebeenpublishedsincethelastreport: ISO10297:1999GascylindersRefillablegascylindervalvesSpecificationandtypetesting(NBAllgases  exceptLPG).  l ThefollowingInternationalStandardisattheformalvotingstage:ISO/DIS1069220 : GascylindersGascylindervalveconnectionsforuseinmicroelectronicindustryPart  " 2:Specificationandtypetestingforvalvetocylinderconnections;!y#: $: $ ISO/DIS1220910 : OutletconnectionsforgascylindervalvesforcompressedbreathableairPart1:Yoketype "I$ connection;^#%: $: $ ISO/DIS1220920 : OutletconnectionsforgascylindervalvesforcompressedbreathableairPart2:Threaded .$& connections;$': $: $ ISO/DIS1220930 : OutletconnectionsforgascylindervalvesforcompressedbreathableairPart3:Adaptor % ( for230barvalves;&Y!): $: $ ISO/DIS13340 0 : TransportablegascylindersCylindersvalvesfornonrefillablecylindersSpecification n')"* andtypetesting;>("+: $: $ ISO/DIS142460 : TransportablegascylindersGascylindervalvesManufacturingtestsandinspections.)#,: $: $ ThefollowingdocumentsareatDraftInternationalStandard(DIS)stage:ISO/DIS1524510 : GascylindersParallelthreadsSpecifications;-'1: $: $ ISO/DIS1524520 : GascylindersParallelthreadsGaugeInspection;-(2: $: $ ISO/DIS1069210 : GascylindersGascylindervalveconnectionsforuseinmicroelectronicindustryPart .y)3 1:Outletconnectionsforsinglegases./I*4: $: $   ^0+5 _& T  ThefollowingdocumentsareatWorkingDraft(WD)stage:ISO/WD4070  0: $$SmallmedicalgascylindersPinindexyoketypevalveconnections(RevisionofISO  407:1991);p: $: $ ISO5145/DAM10 : UpdatingofAnnexAofISO5145:1990;@: $: $ ISO/AWI142450 : Specificationsandtestingforliquefiedpetroleumgasvalves (PQprocedureinpreparation );U : $: $ ISO/AWI159950 : ManuallyoperatedliquefiedpetroleumgasvalvesSpecificationsandtesting (PQ )  procedureinpreparation) ; : $: $ 'TEV9ISO/AWI159960 : ResidualpressurevalvesandtheirfillingadaptorsPerformanceandtypetesting. : $: $  5.30  OngoingworkwithinsubcommitteeISO/TC58/SC3GascylindersCylinderdesign 9 $$ ThefollowingdraftISOTechnicalReport isbeingfinalizedforapprovalandpublicationisplannedinmid2000:    ISO/TR12391SeamlesssteelgascylindersToughnessandacceptancelevelsofsteelsofstrengthlevelsabove }8  1100MPa. M  UK??., 5.40  OngoingworkwithinsubcommitteeISO/TC58/SC4GascylindersOperationalrequirements  forgascylinders x$$ ThefollowingdocumentsareatFormalDraftInternationalStandard(FDIS)stageISO/DIS104640 : LiquefiedpetroleumgascylindersPeriodicinspectionandtesting;: $: $ prEN/ISO116230 : TransportablegascylindersPeriodicinspectionandtestingofcompositegascylinders;: $: $ ThefollowingdocumentsareatDraftInternationalStandard(DIS)stage:ISO/DIS106910 : TransportableweldedsteelcylindersforLiquefiedPetroleumGas(LPG)Proceduresfor   checkingatthetimeoffilling;: $: $ ISO/DIS137690 : GascylindersStampmarking.e: $: $ ThefollowingdraftisatCommitteeDraft(CD)stage:ISO/CD116220 : Conditionsforfillinggasesintocylinders(Fillingratios,fillingpressuresandprovisions  " forsafetydevicesforgascylinders).!u#: $: $ ??UK.,Thisworkitemwasoverdueatthebeginningoftheyearandsubsequentlycancelled.Ithastoberevotedtobeactivated.UK??.,ThefollowingdocumentsareatWorkingDraft(WD)stage:ISO/AWI64060 : Periodicinspectionandtestingofseamlesssteelgas cylinders(underrevisionandwillbe j'%"* coordinatedwith10460,10461,10463and11113) ;:("+: $: $ ISO104600  0: $$WeldedcarbonsteelgascylindersPeriodicinspectionandtesting (underrevision  )#, revisionandwillbecoordinatedwith6406,10461,10463and11113) ;)$-: $: $ ISO104610  0: $$SeamlessaluminiumalloygascylindersPeriodicinspectionandtesting (underrevision *e%. revisionandwillbecoordinatedwith6406,10460,10463and11113) ;z+5&/: $: $ ISO10462:19940 : CylindersfordissolvedacetylenePeriodicinspectionandmaintenance(underrevision);J,'0: $: $ ISO104630  0: $$CylindersforpermanentgasesInspectionattimeoffilling (underrevisionandwillbe -'1 coordinatedwith6406,10460,10461and11113) ;-(2: $: $ ISO/NP116240 : HighstrengthseamlesssteelcylindersPeriodicinspectionandtesting (cancelled,to /E*4 becomepartofrevisedISO6406) ;^0+5: $: $ ISO/NP137710 : GascylindersFillingconditionsforliquefiedpetroleumgas (cancelled) ;21+6: $: $ ISO/NP161480 : GascylindersAcousticemissionmethodsforcylinderrequalification; 2,7: $: $ ISO/NPxxxxx0 : Methodsforinspectionandrequalificationofnaturalgasvehiclefuelcontainers.2-8: $: $   ?U N: N? 6.0  MeetingsheldandplannedE$$  ISO/TC58 0  0U $$23and24Sept.1999,Venice.Nextplenarymeetingplannedfor2001 .U $U $ ISO/TC58/WG7*0 U 20and21Oct.1999,LasVegas,Nevada, 17Feb.2000,Clearwater,Florida . tU $U $ ISO/TC58/WG8*0 U 21to22Oct.1998,Vienna, nonewmeetingplanned . HU $U $ ISO/TC58/WG9*0 U 28Sept.1998,Ottawa, 10Dec.1999Geneva,Switzerland. a U $U $ ISO/TC58/SC20 U 31Marchand1April1999,WashingtonD.C.; 22and23March2000,Berlin. 5 U $U $ ISO/TC58/SC2/WG6*0 U 1and2Dec.1998,Berlin. U $U $ ISO/TC58/SC2/WG7*0 U 26January1998,Luxembourg.  U $U $ ISO/TC58/SC3 0 U  20to22Sept.1999,Venice, beginningofOct.2000,somewhereinUSA . d U $U $ ISO/TC58/SC4  0 U  7to9July1999,Stockholm. AprilorMay2000,placetobedecided. } 8 U $U $  *TitlesofWorkingGroups    ? NU N?ISO/TC58/WG70 Compatibilitybetweengasesandmaterials(Convener:Dr.H.Barthlmy)|  $ $ ISO/TC58/WG80 Acetylenecylinders(Convener:Mr.G.Knig)L  $ $ ISO/TC58/WG90 Qualityassurancerequirementsforapprovalandcertificationofgascylinders(Convener: a  Mr.J.G.Marsh)  $ $ ISO/TC58/SC2/WG40 Valvesystemandcylinderneckthreads(Convener:Mr.P.Bates) $ $ ISO/TC58/SC2/WG60 GascylindervalvesSpecificationsandtesting(Convener:Dr.G.Mair) $ $ ISO/TC58/SC2/WG70 Determinationoftoxicityofgasmixtures(Convener:Dr.H.Barthlmy)   \ $ $ ` %&;$  /,76ANNEXA&;$% `  ` %&;$Bibliography  *T&;$% `; %&;$ ListofInternationalStandardsfromtechnicalcommitteeISO/TC58   &;$% ; ISO/TC58Gascylinders   < N N< ISO32:19770 GascylindersformedicaluseMarkingforidentificationofcontents (transferredto J e TC58/SC4)  9 $ $ ISO3500:19900 SeamlesssteelCO2cylindersforfixedfirefightinginstallationsonships (transferredto    TC58/SC3)   $ $ ISO3807:19770 DissolvedacetylenecylindersBasicrequirements (underrevision)   $ $ ISO7225:1994/Cor.1:1995Gascylindersprecautionarylabels (transferredtoTC58/SC4)  f  ISO10286:19960 GascylindersTerminology (underrevision) :U  $ $ ISO111141:19970 TransportablegascylindersCompatibilityofcylinderandvalvematerialswithgas )  contentsPart1:Metallicmaterials  $ $ ISO111143:19970 TransportablegascylindersCompatibilityofcylinderandvalvematerialswithgas   contentsPart3:Autogenousignitiontestinoxygenatmosphere  $ $  ISO/TC58/SC2GascylindersCylinderfittings  9 ISO407:19910 SmallmedicalgascylindersPinindexyoketypevalveconnections (underrevision)  $ $ ISO5145:19900 CylindervalveoutletsforgasesandgasmixturesSelectionanddimensioning (under  revision) f $ $ ISO/TR7470:19880 ValveoutletsforgascylindersListofprovisions,whichareeitherstandardizedorin 6Q use  $ $ ISO10156:19960 GasesandgasmixturesDeterminationoffirepotentialandoxidizingabilityforthe  selectionofcylindervalveoutlets  $ $  ISO10297:19990 GascylindersRefillablegascylindervalvesSpecificationandtypetesting(NB v AllgasesexceptLPG) Fa $ $ ISO10298:19950 Determinationoftoxicityofagasorgasmixture1 $ $ ISO10920:19970 Gascylinders25EtaperthreadforconnectionofvalvesSpecification $ $  ISO111161:19990 Gascylinders17EtaperthreadforconnectionofvalvestogascylindersPart1:    Specification  $ $ ISO111162:19990 Gascylinders17EtaperthreadforconnectionofvalvestogascylindersPart2: V"q" Inspectiongauges &#A# $ $ ISO11117:19980 GascylindersValveprotectioncapsandvalveguardsforindustrialandmedicalgas #$ cylindersDesign,constructionandtests  $ $ ISO11191:19970 Gascylinders25EtaperthreadforconnectionofvalvestogascylindersInspection %& gauges  $ $ ISO13338:19950 Determinationoftissuecorrosivenessofagasorgasmixture6'Q!( $ $ ISO13341:1997/Cor.1:1998TransportablegascylindersFittingofvalvestogascylinders  )#+ 9 N N9 ISO/TC58/SC3GascylindersCylinderdesign   ISO3500:19900  SeamlesssteelCO2cylindersforfixedfirefightinginstallationsonships $ $ ISO4705:1983/Cor.1:19980  Refillableseamlesssteelgascylinders(atechnicalcorrigendumhasbeenpublishedin Up 1998)  $ $ ISO4706:19890  Refillableweldedsteelgascylinders  $ $ ISO7866:19990  Refillabletransportableseamlessaluminiumalloygascylindersforworldwideusage   Design,constructionandtesting  $ $ ISO98091:19990  TransportableseamlesssteelgascylindersDesign,constructionandtestingPart1: e  Quenchedandtemperedsteelcylinderswithtensilestrengthlessthan1100MPa  $ $ ISO98092:20000  TransportableseamlesssteelgascylindersDesign,constructionandtestingPart2:    Quenchedandtemperedsteelcylinderswithtensilestrengthgreaterthanorequalto1100MPa (publicationexpectedearly2000)   $ $  ISO11118:19990  NonrefillablemetallicgascylindersSpecificationandtestmethods Id  $ $ ENISO11120:19990  GascylindersRefillableseamlesssteelgascylinders,capacitybetween150land   3000lDesignandtesting  $ $ ISO/TR13763:19940  Safetyandperformancecriteriaforseamlessgascylinders $ $  ISO/TC58/SC4GascylindersOperationalrequirementsforgascylinders   ISO32:19770  GascylindersformedicaluseMarkingforidentificationofcontents. (under  revision) m $ $ ISO6406:19920  Periodicinspectionandtestingofseamlesssteelgascylinders (underrevision) =X $ $ ISO7225:1994/Cor.1:19950  GascylindersPrecautionarylabels (underrevision) , $ $ ISO10460:19930  WeldedcarbonsteelgascylindersPeriodicinspectionandtesting (underrevision)  $ $ ISO10461:19930  SeamlessaluminiumalloygascylindersPeriodicinspectionandtesting (under  revision) ]x $ $ ISO10462:19940  CylindersfordissolvedacetylenePeriodicinspectionandmaintenance(correctedand -H reprinted1995) (underrevision)   $ $ ISO10463:19930  CylindersforpermanentgasesInspectionattimeoffilling (underrevision)  ! $ $ ISO11113:19950  Cylindersforliquefiedgases(excludingacetyleneandLPG)Inspectionattimeof !" filling (underrevision) u"# $ $ ISO11372:19950  CylindersfordissolvedacetyleneInspectionattimeoffillingI#d$ $ $ ISO11621:19970  GascylindersProceduresforchangeofgasservice$4% $ $ ISO11625:19980  GascylindersSafehandling$& $ $ ISO11755:19960  Cylindersinbundlesforpermanentandliquefiedgases(excludingacetylene) %' Inspectionattimeoffilling  $ $ ISO13770:19970  AluminiumalloygascylindersOperationalrequirementsforavoidanceofneckand Y't!) shouldercracks  $ $  @"c_______________ _