BS EN 13528-2-2002 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Specific requirements and.pdf

1、BRITISH STANDARD BS EN 13528-2:2002 Ambient air quality Diffusive samplers for the determination of concentrations of gases and vapours Requirements and test methods Part 2: Specific requirements and test methods The European Standard EN 13528-2:2002 has the status of a British Standard ICS 13.040.2

2、0 BS EN 13528-2:2002 This British Standard, having been prepared under the direction of the Health and Environment Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 11 October 2002 BSI 11 October 2002 ISBN 0 580 40577 X National

3、 foreword This British Standard is the official English language version of EN 13528-2:2002. The UK participation in its preparation was entrusted by Technical Committee EH/2, Air quality, to Subcommittee EH/2/3, Ambient atmospheres, which has the responsibility to: A list of organizations represent

4、ed on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”,

5、 or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer

6、immunity from legal obligations. 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 international and European developments and promulgate

7、them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 27 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsE

8、UROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN135282 September2002 ICS13.040.20 Englishversion AmbientairqualityDiffusivesamplersforthedeterminationof concentrationsofgasesandvapoursRequirementsandtest methodsPart2:Specificrequirementsandtestmethods QualitdelairEchantillonneurspardiffusionpourla d

9、terminationdesconcentrationsdesgazetdesvapeurs PrescriptionsetmthodesdessaiPartie2:Prescriptions spcifiquesetmthodesdessai AuenluftqualittPassivsammlerzurBestimmungder KonzentrationenvonGasenundDmpfenAnforderungen undPrfverfahrenTeil2:SpezifischeAnforderungenund Prfverfahren ThisEuropeanStandardwasa

10、pprovedbyCENon28July2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtoth

11、eManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenation

12、alstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementC

13、entre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN135282:2002EEN135282:2002(E) 2 Contents page Foreword4 Introduction .5 1 Scope 6 2 Normativereferences 6 3 Termsanddefinitions . 7 4 Symbolsandabbreviations. .8

14、5 Requirements.10 5.1 Desorptionefficiency(forsamplersinvolvingsolventdesorption) . .10 5.2 Desorptionefficiency(forsamplersinvolvingthermaldesorption) . 10 5.3 Effectofairvelocity/samplerorientation .10 5.4 Storage(indirectreadingsamplers). .10 5.5 Shelflife .10 5.6 Samplerintegrity . 10 5.7 Blankv

15、alue. .10 5.8 Fieldtests . .11 5.9 Uncertainty 11 5.10 Instructionsforuse . .11 5.11 Sampleidentification .11 6 Generaltestconditions. 12 6.1 Reagents .12 6.2 Apparatus 12 6.3 Independentmethod .12 6.4 Generationofacalibrationgasmixture . .12 6.4.1 General .12 6.4.2 Calibrationgasmixture . 12 6.5 Te

16、stconditions . .13 6.5.1 General .13 6.5.2 Laboratorytestsunderrepeatabilityconditionsinvolvingstandardatmospheres(7.3,7.4, 7.7,7.8andannexA) 14 6.5.3 Laboratorytestunderreproducibilityconditionsinvolvingstandardatmospheres(7.5) 14 6.5.4 Laboratorytestsnotinvolvingstandardatmospheres(7.2,7.6,7.9) .

17、14 6.5.5 Fieldtests. .14 7 Testmethods .14 7.1 General14 7.2 Desorptionefficiency. 15 7.2.1 Spikingmethodforsamplersinvolvingsolventdesorption .15 7.2.2 Spikingmethodforsamplersinvolvingthermaldesorption 15 7.2.3 Phaseequilibriummethod(samplersinvolvingsolventdesorption).1 5 7.3 Biasduetotheselectio

18、nofanonidealsorbent(forsamplersrelyingonreversiblesorption) 16 7.3.1 Procedure .16 7.3.2 Calculation 16 7.4 Testoninfluenceofairvelocityandsamplerorientation. .16 7.5 Effectofenvironmentalparametersonsamplerperformance(uptakerate) 17 7.5.1 Procedure .17 7.5.2 Calculation 17 7.6 Storage(forindirectre

19、adingsamplers) . .17 7.6.1 Procedure .17 7.6.2 Calculation 18EN135282:2002(E) 3 7.7 Shelflife .18 7.8 Samplerleaktest . .18 7.9 Determinationoftheblankvalue 18 7.10 Fieldtests 18 8 Calculationofuncertainty 18 8.1 General18 8.2 Desorptionefficiency. 18 8.3 Uptakerate. .19 8.4 Storage19 8.5 Shelflife

20、.19 8.6 Samplerintegrity . 19 8.7 Blankvalue. .20 8.8 TypeBerrors . .20 8.9 Combineduncertainty .20 8.10 Fieldtests 20 9 Levelsofevaluation 20 10 Testreport 20 11 Marking.21 AnnexA (normative) Determinationofdiffusiveuptakerates(indirectreadingsamplers) .22 AnnexB (normative) Calculationofexposureco

21、ncentration 24 AnnexC (informative) Calculationofuncertaintycomponents .25 Bibliography 27EN135282:2002(E) 4 Foreword Thisdocument(EN135282:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC264“AirQuality”,the secretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,ei

22、therbypublicationofanidenticaltextor byendorsement,atthelatestbyMarch2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby March2003. ThisEuropeanStandardisamultipartstandardhavingthefollowingparts: Part1: (AmbientAirQuality) Generalrequirements; Part2: (AmbientAirQuality) Specificrequir

23、ementsandtestmethods; Part3: (AmbientAirQuality) Guidetoselection,useandmaintenance. TheannexesAandBarenormative,annexCisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRep

24、ublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN135282:2002(E) 5 Introduction ThisEuropeanStandardspecifiesrequirementsandtestmethodsforthedeterminationofperformance characteristicsofdiffus

25、ivesamplersusedforthedeterminationofconcentrationsofgasesandvapoursinambient atmospheres. Withregardtoairquality,theobjectivesfixedinthe5 th ActionProgramoftheEuropeanUnionarefortheeffective protectionofallpeopleagainstrecognisedrisksfromairpollutionandtheestablishmentofpermittedconcentration levels

26、ofairpollutants,whichshouldtakeintoaccounttheprotectionoftheenvironment.Theseobjectivesinclude monitoringandcontrolofconcentrationswithregardtostandards. SuccessiveprogramsofactionoftheEuropeanUnionontheprotectionoftheenvironmenthavestressedtheneed tofindabalancebetweentheuseofdifferenttools:product

27、standards,emissionlimitsandenvironmental objectives/standards. TheimplementationofexistingDirectiveshashighlightedtheexistenceofvariousproblems,whicharebeing addressedintheCouncilDirectiveonAmbientAirQualityAssessmentandManagement1.Theseinclude: thedifferentmonitoringstrategiesincomparablesituations

28、betweenandwithinMemberStates; theharmonisationofmeasuringmethods; thequalityofthemeasurementswhichdependsonthecalibrationandqualityassuranceprocedures. Diffusivesamplersusedtomeasureairqualityhavetofulfilsomegeneralrequirements,whicharegivenin EN135281.Theserequirementsincludeunambiguity,selectivity

29、 andDataQualityObjectives,including uncertainty. Suchgeneralrequirementscanalsobeappropriateforothermeasurementproceduresusedintheassessmentof ambientairquality. Inaddition,diffusivesamplersusedtomeasureambientairqualityhavetoalsofulfilsomespecificrequirementsin additiontothosespecifiedinEN135281.Th

30、esespecificrequirementsaregiveninthispartofEN13528(see clause5).prEN135283givesguidanceontheselection,useandmaintenanceofdiffusivesamplersusedto measureambientairquality. Itistheusersprimaryresponsibilitytochooseappropriateproceduresordevicesthatmeettherequirementsof thisEuropeanStandard.Onewayofdoi

31、ngthisistoobtaininformationorconfirmationfromthemanufacturer.Type testing,ormoregenerally,theassessmentofperformancecriteriaofproceduresordevices,canbeundertakenby themanufacturer,user,testhouseorresearchanddevelopmentlaboratory,asismostappropriate. Althoughthisstandardspecificallyaddressesambientai

32、r,diffusivesamplingisalsorelevanttotheassessmentof airqualityinindoorair.Bothpumpedanddiffusivesamplingproceduresareconsideredappropriateforsuch measurements,dependingoncircumstances(particularlyanyrequirementfortimeresolution)2.prEN14412 givesguidanceontheselection,useandmaintenanceofdiffusivesampl

33、ersusedtomeasureindoorairquality. ThispartofEN13528issimilarincontenttoEN838andEN135281issimilarincontenttoEN482.Theseriesof standardsontheuseofdiffusivesamplersforambientairhasbeencreatedinadditiontothoseforworkplaceair becausetheunderlyingEuropeanDirectivesaredifferentandtheconsequentdefinitionsan

34、dpracticalapplications oftheestimationoftheuncertaintyofmeasurementsaredifferent.EN135282:2002(E) 6 1Scope ThisEuropeanStandardspecifiesspecificperformancerequirementsandtestmethodsunderprescribed laboratoryandfieldconditionsfordiffusivesamplersusedforthedeterminationoftheconcentrationofgasesor vapo

35、ursinambientair. Suchrequirementsapplytoalldiffusivesamplers,irrespectiveofthephysicalnatureoftheratecontrollingprocess andirrespectiveofthenatureofthesorptionprocessandtheanalyticaldetermination. Thisstandardappliestoallstagesofthemeasuringprocedure,includingtransportationandstorageofthesample wher

36、eappropriate. Thisstandardappliestomeasuringprocedureswithseparatesamplingandanalysisstages,andalsotodirect readingdevices. ThisEuropeanStandardisapplicabletodiffusivesamplersaccordingto3.6ofEN135281:2002. ThisEuropeanStandardshouldenablemanufacturersandusersofdiffusivesamplerstoadoptaconsistent app

37、roachtosamplervalidationandprovideaframeworkfortheassessmentofsamplerperformanceagainst criteriaspecifiedinEN135281.Itistheresponsibilityofthemanufacturerorofthosewhoassemblethediffusive samplerstoensurethatthesamplercomplieswiththedataqualityobjectivesgiveninthisEuropeanStandard. Forthepurposeofdem

38、onstratingcompliancewithdataqualityobjectivesprescribedformethodstobeusedin supportoftheCouncilDirectiveonAmbientAirQualityAssessmentandManagement,thispartofEN13528 providestherelevantrequirementsandtestmethodsforthedeterminationofmeasurementuncertainty.As indicatedin6.5.2to6.5.4,someoftheseprocedur

39、esaretobeundertakenbyasinglerepresentativelaboratory, somebyseverallaboratoriesinaninterlaboratorytrial,andsomebythelaboratoryimplementingthemethod.This divisionofresponsibilityisinaccordancewithTable1ofCENReportCR14377:20023. Whereonlyonelaboratoryisinvolvedinestablishingtheperformancecharacteristi

40、csofamethod,asina manufacturersassessment,thereproducibilityelementsoftheuncertaintybudgetshallbeestimatedunderwithin laboratoryreproducibilityconditions,i.e.byperformingtherelevantexperimentsindependently,asfaras reasonablypracticable.Thistypeofassessmentisidentifiedaslevel2(seeclause8). Thisstanda

41、rdcanencouragethedevelopmentofnewtypesofdiffusivesampler.Priortoconductingafull evaluationaccordingtothisstandard,itwouldbeusefultoconductlaboratoryorfieldintercomparisonswith establishedsamplers.Theseintercomparisonsshouldbeconductedbyexperiencedinstitutes. 2 Normativereferences ThisEuropeanStandar

42、dincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedin

43、itbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). ENV13005:1999, Guidetotheexpressionofuncertaintyinmeasurement. ISO5725, Accuracy(truenessandprecision)ofmeasurementmethodsandresults(allparts).EN135282:2002(E) 7 3 Termsanddefinitions

44、 ForthepurposeofthisEuropeanStandardthefollowingtermsanddefinitionsapply. 3.1 ambientair outdoorairinthetroposphere,excludingindoorairandworkplaces 3.2 averagingtime periodoftimeforwhichthemeasuringprocedureyieldsasinglevalueEN482 3.3 bias differencebetweentheexpectationofthetestresultsandanacceptedreferencevalueISO35341 3.4 combinedstandarduncertainty standarduncertaintyoftheresult