Protectiveclothing—TestmethodsforclothingprovidingprotectionagainstchemicalsPart1:Determinationofresistancetooutwardleakageofgases(internalpressuretest)...maki∩gpxcpllpncpahab∣t:NationalforewordThisBritishStandardistheUKimplementationofISO17491-1:2012.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePH∕3∕3lChemical,Biological,RadioactiveandNuclearPersonalProtectiveEquipment.bslBSISO17491-1:2012BSISO17491-1:2012BRITISHSTANDARDAlistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.©TheBritishStandardsInstitution2012.PublishedbyBSIStandardsLimited2012ISBN9780580651830ICS13.340.10CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon31May2012.AmendmentsissuedsincepublicationDateTextaffectedBSISO17491-1:201?©ISO2012Firstedition2012-03-15Protectiveclothing—Testmethodsforclothingprovidingprotectionagainstchemicals—Part1:Determinationofresistancetooutwardleakageofgases(internalpressuretest)Vdtementsdeprotection——M6thodesd,essaipour∕esv6tementsfournissantuneprotectioncontreIesproduitsChimiques—Partie1:Determinationde/aresistanceauxfuitesdesgazversΓe×terieur(essaidepressioninterne)^^^ReferencenumberISO17491-1:2012(E)INTERNATIONALSTANDARDISO17491-1BSISO17491-1:201?©ISO2012as。BSISO17491-1:2012ISO17491-1:2012(E)©ISO2012-AllrightsreservedCOPYRIGHTPROTECTEDDOCUMENT©ISO2012Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCasepostale56■CH-1211Geneva20Tel.+41227490111Fax+41227490947E-mailcopyright@iso.orgWebwww.isoorgPublishedinSwitzerlandBSISO17491-1:2012ISO17491-1:2012(E)©ISO2012-AllrightsreservediiiForewordISO(theInternationalOrganizationforStandardizadon)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part2.ThemaintaskoftechnicalcommitteesistoprepareInternationalStandards.DraftInternationalStandardsadoptedbythetechnical∞mmitteesarecirculatedtothememberbodiesforvoting.PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ISO17491-1waspreparedbyTechnicalCommitteeISO/TC94,Personalsafety—Protectiveclothingandequipment,SubcommitteeSC13,Protectiveclothing.ThiseditionofISO17491-1,togetherwithISO17491-2,ISO17491-3,ISO17491-4andISO17491-5,cancelsandre...
