BS EN ISO 10882-2-2000 Health and safety in welding and allied processes - Sampling of airborne particles and gases in the operator-s breathing zone - Sampling of gases《焊接及相关工艺的卫生与.pdf

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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 10882-2:2000 Th

2、e European Standard EN ISO 10882-2:2000 has the status of a British Standard ICS 13.040.30; 25.160.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Health and safety in welding and allied processes Sampling of airborne particles and gases in the operators breathing zone Part

3、 2: Sampling of gasesThis British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 December 2000 BSI 12-2000 ISBN 0 580 34705 2 BS EN ISO 10882-2:2000 Amendments issued sin

4、ce publication Amd. No. Date Comments National foreword This British Standard is the official English language version of EN ISO 10882-2:2000. It is identical with ISO 10882-2:2000. It supersedes BS 6691-2:1986 which is withdrawn. The UK participation in its preparation was entrusted to Technical Co

5、mmittee WEE/40, Health and safety in welding, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related internati

6、onal and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references t

7、o international publications with their corresponding European publications. The British Standards which implement these international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence

8、Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itsel

9、f confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, pages 2 to 26, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPE

10、ANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO108822 September2000 ICS13.040.30;25.160.00 Englishversion HealthandsafetyinweldingandalliedprocessesSamplingof airborneparticlesandgasesintheoperatorsbreathingzone Part2:Samplingofgases(ISO108822:2000) Hygineetscuritensoudageettechniquesconnexes Echanti

11、llonnagedeparticulesensuspensionetgazdansla zonerespiratoiredesoprateursPartie2:Echantillonnage desgaz(ISO108822:2000) ArbeitsundGesundheitsschutzbeimSchweienundbei verwandtenVerfahrenProbenahmevonpartikelfrmigen StoffenundGasenimAtembereichdesSchweiersTeil 2:ProbenahmevonGasen(ISO108822:2000) ThisE

12、uropeanStandardwasapprovedbyCENon17March2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtai

13、nedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions

14、. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRN

15、ORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO108822:2000EPage2 ENISO108822:2000 Contents Foreword3 1 Scope 5 2 Normativereferences 6 3 Termsanddefinitions. .6 4 Descriptionofmeasureme

16、ntmethods 10 4.1 General10 4.2 Directreadingelectricalapparatus . .10 4.3 Detectortubes 11 4.4 Indirectmethodsinvolvinglaboratoryanalysis .12 5 Requirements .13 6 Assessmentstrategy . 14 7 Measurementstrategy .14 7.1 General14 7.2 Personalexposuremeasurements .14 7.3 Fixedpointmeasurements .14 7.4 S

17、electionofmeasurementconditionsandmeasurementpattern14 8 Sampling.15 8.1 Samplingposition. .15 8.2 Samplingequipment 16 8.3 Samplefiltration. 16 8.4 Multiplesampling. 16 8.5 Volumeofsamplingline. .16 8.6 Flowrate . 17 8.7 Handlingoftemperature,pressureandhumiditydata . .17 9 Measurementofindividualg

18、asesandvapours. .17 9.1 General17 9.2 Ozone(0,01ppmto3ppm) . 17 9.3 Carbonmonoxide(3ppmto500ppm) 18 9.4 Carbondioxide(500ppmto10%) .19 9.5 Nitricoxide(1ppmto100ppm)andnitrogendioxide(0,3ppmto250ppm)19 9.6 Vapours.20 10 Recordingoftestdataandpresentationofresults. .21 AnnexA(informative)Bibliography

19、.22 AnnexB(Informative)Measurementofindividualgasesandvapours . 23 AnnexC(informative)Anexampleofatestreport . .24 C.1 Basicdata .24 C.2 Processdata .25 C.3 Samplingdataandtestresults .26Page3 ENISO108822:2000 Foreword ThetextofENISO108822:2000hasbeenpreparedbyTechnicalCommitteeCEN/TC121“Welding“,th

20、e secretariatofwhichisheldbyDS,incollaborationwithTechnicalCommitteeISO/TC44“Weldingandallied processes“. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMarch2001,andconflictingnationalstandardsshallbewithdrawnatthelates

21、tby March2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,

22、 SwitzerlandandtheUnitedKingdom.Page4 ENISO108822:2000 Introduction Gasesencounteredduringweldingandalliedprocessesaresonumerousthatitwouldbeimpracticabletocover themallinthisEuropeanStandard.Dependingontheprocess,theycaninclude: a) fuelgaseswhichareusedingasweldingandcuttingwhichoncombustionproduce

23、carbondioxideandin someinstancescarbonmonoxide; b) shieldinggasessuchasargon,helium,carbondioxideormixturesofthesegases,whichcanbetoxicor asphyxiant; c) gasesproducedbytheactionofheatupontheweldingfluxorslag,e.g.carbondioxideandcarbon monoxide; d) gasesproducedbytheactionofheatorultravioletradiation

24、upontheatmospheresurroundingthewelding arc,e.g.nitricoxide,nitrogendioxideandozone;and e) vapoursproducedasaresultofthermaldegradationofsurfacecoatingsintheweldingorcuttingofmetals treatedwithpaint,primer,sealerorothersubstances.Vapourscanalsobeproducedasaresultof degradationofsolventvapourfromdegre

25、asingoperations,buttheirmeasurementisnotdealtwithinthis standardbecausegoodworkingpracticeswillavoidtheirproduction. ThescopeofthispartofENISO10882hasbeenlimitedtothosegaseswhichareproducedbyweldingoperations. Inparticular,fuel,oxidantandshieldinggasesusedinweldingandalliedprocessesarenotcovered,sin

26、cethe hazardsassociatedwiththeiruse(e.g.asphyxiation,explosion)aredifferentfromthosearisingfromthegasesdealt withinthisguide. ThispartofENISO10882givesageneraliseddescriptionofmeasurementmethodssuitablefortheassessmentof personalexposuretogasesproducedbyweldingandalliedprocesses;givesdetailsofreleva

27、ntEuropean Standardswhichspecifyrequiredcharacteristics,performancerequirementsandtestmethods;augmentsguidance providedinEN689onassessmentstrategyandmeasurementstrategy;listsbasicsamplingrequirements;and providesspecificinformationabouttheavailabilityofdirectreadingelectricalapparatus,detectortubesa

28、ndindirect methodsinvolvinglaboratoryanalysisforindividualgases. Ithasbeenassumedinthedraftingofthisstandardthattheexecutionofitsprovisions,andtheinterpretationofthe resultsobtained,isentrustedtoappropriatelyqualifiedandexperiencedpeople.Page5 ENISO108822:2000 1 Scope ThispartofENISO10882providesgui

29、danceforthedeterminationofpersonalexposuretogasesandvapoursin weldingandalliedprocesses.Itappliestothefollowingthermalprocessesusedtojoin,cut,surfaceorremove metals: (111) Manualmetalarcwelding(metalarcweldingwithcoveredelectrode);shieldedmetalarcwelding/USA/ (114) Selfshieldedtubularcoredarcwelding

30、 (131) Metalinertgaswelding;MIGwelding;gasmetalarcwelding/USA/ (135) Metalactivegaswelding;MAGwelding;gasmetalarcwelding/USA/ (136) Tubularcoredmetalarcweldingwithactivegasshield;fluxcoredarcwelding/USA/ (137) Tubularcoredmetalarcweldingwithinertgasshield;fluxcoredarcwelding/USA/ (141) Tungsteninert

31、gasarcwelding;TIGwelding;gastungstenarcwelding/USA/ (15) Plasmaarcwelding; (31) Oxyfuelgaswelding;oxyfuelgaswelding/USA/ (52) Laserbeamwelding; (912) Flamebrazing;torchbrazing/USA/ (97) Brazewelding; arcandflamegouging; arcandlasercuttingprocesses; flame,plasmaandlaserandplasmacuttingprocesses; meta

32、lspraying(seeENISO4063). Thefollowinggasesandvapourswhichcanbeproducedorbepresentduringweldingandalliedprocessesare covered: ozone(O 3 ); carbonmonoxide(CO); carbondioxide(CO 2 ); nitricoxide(NO)andnitrogendioxide(NO 2 ); vapoursproducedintheweldingorcuttingofmetalshavingpaintorothersurfacecoatings.

33、 Fuel,oxidantandshieldinggasesusedinweldingandalliedprocessesarenotcovered. Thegeneralbackgroundlevelofgasesandvapoursintheworkplaceatmosphereinfluencespersonalexposure, andthereforetheroleoffixedpointmeasurementsisalsoconsidered.Page6 ENISO108822:2000 2 Normativereferences ThisEuropeanStandardincor

34、poratesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyoftheseincorporatedinitbyamendmentor revision.Forundatedreferencesthelateste

35、ditionofthepublicationreferredtoapplies. EN175, Personalprotection Equipmentforeyeandfaceprotectionduringweldingandalliedprocesses. EN482, WorkplaceatmospheresGeneralrequirementsfortheperformanceofproceduresforthemeasurement ofchemicalagents. EN689:1995,WorkplaceatmospheresGuidancefortheassessmentof

36、exposuretochemicalagentsfor comparisonwithlimitvaluesandmeasurementstrategy. EN838, WorkplaceatmospheresRequirementsandtestmethodsfordiffusivesamplersforthedeterminationof gasesandvapours. EN1076,WorkplaceatmospheresPumpedsorbenttubesforthedeterminationofgasesandvapours Requirementsandtestmethods. E

37、N1231,WorkplaceatmospheresShorttermdetectortubemeasurementsystemsRequirementsandtest methods. EN1232, WorkplaceatmospheresPumpsforpersonalsamplingofchemicalagentsRequirementsandtest methods. EN1540, WorkplaceatmospheresTerminology. ENISO4063, WeldingandalliedprocessesNomenclatureofprocessesandrefere

38、ncenumbers. ENISO108821, HealthandsafetyinweldingandalliedprocessesSamplingofairborneparticlesandgasesin theoperatorsbreathingzonePart1:Samplingofairborneparticles. prEN455441, WorkplaceatmospheresElectricalapparatusforthedirectdetectionanddirectconcentration measurementoftoxicgasesandvapoursPart1:G

39、eneralrequirementsandtestmethods. ISO35341, StatisticsVocabularyandsymbolsPart1:Probabilityandgeneralstatisticalterms. ISO6879, AirqualityPerformancecharacteristicsandrelatedconceptsforairqualitymethods. ISO8756, AirqualityHandlingoftemperature,pressureandrelativehumiditydata. 3 Termsanddefinitions

40、ForthepurposesofthispartofENISO10882,thefollowingtermsanddefinitionsapply: 3.1 airsampling processconsistingofthecollection,withdrawalorisolationofafractionalpartofalargervolumeofair.Itcan includethesimultaneousisolationofselectedcomponents.(EN1540) 3.2 bias consistentdeviationofthemeasuredvaluefrom

41、thevalueoftheairqualitycharacteristicitselfortheaccepted referencevalue.(ISO6879) 3.3 breathingzone thespacearoundtheworkersfacefromwherehetakeshisbreath.Fortechnicalpurposesamoreprecise definitionisasfollows:hemisphere(generallyacceptedtobe0,3minradius)extendinginfrontofthehumanface, centredonthemi

42、dpointofalinejoiningtheears;thebaseofthehemisphereisaplanethroughthisline,thetopofPage7 ENISO108822:2000 theheadandthelarynx.Thedefinitionisnotapplicablewhenrespiratoryprotectiveequipmentisused.(EN1540) NOTE Thisdefinitionisnotstrictlyapplicablewhenaweldersfaceshieldisused.Insuchcircumstancesthebrea

43、thing zoneshouldbeconsideredtoextendonlybehindtheweldersfaceshield. 3.4 chemicalagent anychemicalelementorcompound,onitsownoradmixedasitoccursinthenaturalstateorasproducedbyany workactivity,whetherornotproducedintentionallyandwhetherornotplacedonthemarket. NOTE Thisdefinitionistakenfromthe“CouncilDi

44、rective98/24/ECof7April1998ontheprotectionofthehealthand safetyofworkersfromtherisksrelatedtochemicalagentsatwork“.(EN1540) 3.5 detectortube,diffusive;indicatortube,diffusive;colorimetrictube,diffusive adiffusiontube,similarinconstructiontoapumpeddetectortube.Thelengthofthestainproducedprovidesa measureoftheexposuredoseofaspecifiedchemicalagentinair,statedinppmhours. 3.6 detectortube,pum