SIST EN 13205-6:2014
(Main)Workplace exposure - Assessment of sampler performance for measurement of airborne particle concentrations - Part 6: Transport and handling tests
Workplace exposure - Assessment of sampler performance for measurement of airborne particle concentrations - Part 6: Transport and handling tests
EN 13205-6 specifies a performance test of loaded collection substrates for samplers for the inhalable, thoracic or respirable aerosol fractions and, as alternative, a handling test, both for testing transport losses of aerosol sampler substrates under prescribed conditions in order to calculate the expanded uncertainty of a measuring procedure according to EN 13205-1:2014, Annex A. The transport test involves shipping loaded substrates with ordinary mail, whereas the handling test uses a shaker. This part of EN 13205 applies to all samplers used for the health-related sampling of particles in workplace air.
Exposition am Arbeitsplatz - Bewertung der Leistungsfähigkeit von Sammlern für die Messsung der Konzentration luftgetragener Partikel - Teil 6: Prüfungen zum Transport und zur Handhabung
Diese Europäische Norm legt eine Prüfung zur Leistungsfähigkeit von beladenen Sammelsubstraten für Sammler für die einatembare, thorakale oder alveolengängige Aerosolfraktion und, als Alternative, eine Handhabungsprüfung fest, beide zum Prüfen von Substraten von Aerosolsammlern auf Transportverluste unter vorgeschriebenen Bedingungen zwecks Berechnung der erweiterten Messunsicherheit eines Mess-verfahrens nach EN 13205 1:2014, Anhang A. Die Transportprüfung schließt den Versand beladener Substrate auf dem üblichen Postweg ein, während bei der Handhabungsprüfung ein Schüttelgerät eingesetzt wird.
Dieser Teil von EN 13205 gilt für alle Sammler, die für die gesundheitsbezogene Probenahme von Partikeln aus der Luft am Arbeitsplatz eingesetzt werden.
Exposition sur les lieux de travail - Évaluation des performances des dispositifs de prélèvement pour la mesure des concentrations de particules en suspension dans l'air - Partie 6: Essais de manipulation et de transport
La présente Norme européenne spécifie un essai de performance de substrats de collecte chargés pour les dispositifs de prélèvement des fractions d'aérosol inhalable, thoracique ou alvéolaire et, en tant qu'alternative, un essai de manipulation. Ces deux opérations visent à soumettre à essai les pertes dues au transport des substrats de dispositifs de prélèvement d'aérosols dans des conditions prescrites afin de calculer l'incertitude élargie d'une procédure de mesure selon l’EN 13205 1:2014, Annexe A. L'essai de transport implique l'envoi de substrats chargés par courrier ordinaire, tandis que l'essai de manipulation recourt à l'utilisation d'un agitateur.
La présente partie de l'EN 13205 s'applique à tous les dispositifs de prélèvement utilisés pour le prélèvement, à des fins sanitaires, des particules présentes sur les lieux de travail.
Izpostavljenost na delovnem mestu - Ocenjevanje lastnosti merilnikov za merjenje koncentracij lebdečih delcev - 6. del: Preskušanje pri transportu in ravnanju z njimi
Standard EN 13205-6 določa preskus delovanja napolnjenih zbirnih podlag za merilnike inhalabilnih, torakalnih in respirabilnih delcev aerosolov in alternativno preskus ravnanja za preskušanje izgub pri prevozu podlag za merilnike aerosolov pod določenimi pogoji, da se izračuna razširjena negotovost merilnega postopka v skladu z dodatkom A standarda EN 13205-1:2014. Preskus prevoza vključuje pošiljanje napolnjenih podlag po običajni pošti, preskus ravnanja pa uporablja stresalnik. Ta del standarda EN 13205 velja za vse merilnike, ki se uporabljajo za vzorčenje delcev v zraku, ki so povezani z zdravjem na delovnem mestu.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Exposition am Arbeitsplatz - Bewertung der Leistungsfähigkeit von Sammlern für die Messsung der Konzentration luftgetragener Partikel - Teil 6: Prüfungen zum Transport und zur HandhabungExposition sur les lieux de travail - Évaluation des performances des dispositifs de prélèvement pour la mesure des concentrations de particules en suspension dans l'air - Partie 6: Essais de manipulation et de transportWorkplace exposure - Assessment of sampler performance for measurement of airborne particle concentrations - Part 6: Transport and handling tests13.040.30Kakovost zraka na delovnem mestuWorkplace atmospheresICS:Ta slovenski standard je istoveten z:EN 13205-6:2014SIST EN 13205-6:2014en,fr,de01-september-2014SIST EN 13205-6:2014SLOVENSKI
STANDARDSIST EN 13205:20021DGRPHãþD
SIST EN 13205-6:2014
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13205-6
June 2014 ICS 13.040.30 Supersedes EN 13205:2001English Version
Workplace exposure - Assessment of sampler performance for measurement of airborne particle concentrations - Part 6: Transport and handling tests
Exposition sur les lieux de travail - Évaluation des performances des dispositifs de prélèvement pour la mesure des concentrations de particules en suspension dans l'air - Partie 6: Essais de manipulation et de transport Exposition am Arbeitsplatz - Beurteilung der Leistungsfähigkeit von Sammlern für die Messung der Konzentration luftgetragener Partikel - Teil 6: Prüfungen zum Transport und zur Handhabung This European Standard was approved by CEN on 7 May 2014.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13205-6:2014 ESIST EN 13205-6:2014
EN 13205-6:2014 (E) 2 Contents Page
Foreword . 3
Introduction . 4 1 Scope . 5 2 Normative references . 5 3 Terms and definitions . 5 4 Symbols and abbreviations . 5 4.1 Symbols . 5 4.1.1 Latin . 5 4.1.2 Greek . 6 4.2 Enumerating subscripts . 7 5 Transport test based on weighing samples before and after shipping by mail . 7 5.1 Principle . 7 5.2 Test procedure . 7 5.2.1 General . 7 5.2.2 Test equipment . 7 5.2.3 Test aerosol and method of loading collection media . 8 5.2.4 Test method . 8 5.3 Calculations . 9 5.4 Test Report . 11 5.4.1 General . 11 5.4.2 Testing laboratory details and sponsoring organisation . 11 5.4.3 Description of candidate sampler and collection substrate . 11 5.4.4 Description of test methods and materials . 11 5.4.5 Results . 11 5.4.6 Summary . 12 6 Handling test for loaded samplers or collection substrates using a shaker . 12 6.1 Principle . 12 6.2 Test procedure . 12 6.2.1 General . 12 6.2.2 Test equipment . 12 6.2.3 Mounting of the samplers . 13 6.2.4 Test aerosol and method of loading collection media . 13 6.2.5 Test method . 13 6.3 Calculations . 14 6.4 Test Report . 16 6.4.1 General . 16 6.4.2 Testing laboratory details and sponsoring organisation . 16 6.4.3 Description of candidate sampler and collection substrate . 16 6.4.4 Description of test methods and materials . 16 6.4.5 Results . 16 6.4.6 Summary . 17 Bibliography . 18
SIST EN 13205-6:2014
EN 13205-6:2014 (E) 3 Foreword This document (EN 13205-6:2014) has been prepared by Technical Committee CEN/TC 137 “Assessment of workplace exposure to chemical and biological agents”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2014 and conflicting national standards shall be withdrawn at the latest by December 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document together with EN 13205-1, EN 13205-2, CEN/TR 13205-3, EN 13205-4 and EN 13205-5 supersedes EN 13205:2001. EN 13205, Workplace exposure – Assessment of sampler performance for measurement of airborne particle concentrations, consists of the following parts: — Part 1: General requirements; — Part 2: Laboratory performance test based on determination of sampling efficiency; — Part 3: Analysis of sampling efficiency data [Technical Report]; — Part 4: Laboratory performance test based on comparison of concentrations; — Part 5: Aerosol sampler performance test and sampler comparison carried out at workplaces; — Part 6: Transport and handling tests (the present document). Significant technical changes from the previous edition, EN 13205:2001: — This part of EN 13205 is partly based on Annex D of the previous edition, EN 13205:2001. — The scope has been limited to aerosol samplers, and the current version of the standard is not (directly) applicable to other types of aerosol instruments. — As this is now a standard in its own right, a clause on the used symbols has been added. Almost all definitions are now given either in EN 1540, Workplace exposure — Terminology or in Part 1 of this standard. — The method of calculating the uncertainty of a sampler or a measuring procedure has been revised in order to comply with ENV 13005. The concept of “accuracy” is no longer used instead the concept of “expanded uncertainty” is used. — The standard gives two methods to determine the dependence of the mass loss from collection substrates due to transport and/or handling, respectively. It is described how to use the test data to calculate the uncertainty due to transport/handling and how this is related to the requirements given in Part 1 of this European Standard. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 13205-6:2014
EN 13205-6:2014 (E) 4 Introduction EN 481 defines sampling conventions for the particle size fractions to be collected from workplace atmospheres in order to assess their impact on human health. Conventions are defined for the inhalable, thoracic and respirable aerosol fractions. These conventions represent target specifications for aerosol samplers, giving the ideal sampling efficiency as a function of particle aerodynamic diameter. In general, the sampling efficiency of real aerosol samplers will deviate from the target specification, and the aerosol mass collected will therefore differ from that which an ideal sampler would collect. In addition, the behaviour of real samplers is influenced by many factors such as external wind speed. In many cases there is an interaction between the influence factors and fraction of the airborne particle size distribution of the environment in which the sampler is used. This part of EN 13205 describes two test methods for determining the uncertainties due to transport errors. The values calculated can directly be compared to the requirements of EN 13205-1:2014 The first method is based on loading collection substrates with particles from a workplace aerosol and delivery by ordinary mail. The second method is based on loading collection substrates with particles from a specified laboratory test aerosol and subsequent exposure of the collection substrates to vibrations using either a laboratory shaker table or a vertical shaker. EN 13205 (all parts) enables manufacturers and users of aerosol samplers to adopt a consistent approach to sampler validation, and provide a framework for the assessment of sampler performance with respect to EN 481 and EN 482. It is the responsibility of the manufacturer of aerosol samplers to inform the user of the sampler performance under the laboratory conditions1) specified in this part of EN 13205. It is the responsibility of the user to ensure that the actual conditions of intended use are within what the manufacturers specifies as acceptable conditions according to the performance test.
1) The inhalable convention is undefined for particle sizes in excess of 100 µm or for wind speeds greater than 4 m/s. The tests required to assess performance are therefore limited to these conditions. Should such large particle sizes or wind speeds actually exist at the time of sampling, it is possible that different samplers meeting this standard give different results. SIST EN 13205-6:2014
EN 13205-6:2014 (E) 5 1 Scope This European Standard specifies a performance test of loaded collection substrates for samplers for the inhalable, thoracic or respirable aerosol fractions and, as alternative, a handling test, both for testing transport losses of aerosol sampler substrates under prescribed conditions in order to calculate the expanded uncertainty of a measuring procedure according to EN 13205-1:2014, Annex A. The transport test involves shipping loaded substrates with ordinary mail, whereas the handling test uses a shaker. This part of EN 13205 applies to all samplers used for the health-related sampling of particles in workplace air. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 143, Respiratory protective devices - Particle filters - Requirements, testing, marking EN 1540, Workplace exposure - Terminology EN 13205-1:2014, Workplace exposure — Assessment of sampler performance for measurement of airborne particle concentrations — Part 1: General requirements EN 13205-2:2014, Workplace exposure — Assessment of sampler performance for measurement of airborne particle concentrations — Part 2: Laboratory performance test based on determination of sampling efficiency ISO 15767, Workplace atmospheres — Controlling and characterizing uncertainty in weighing collected aerosols 3 Terms and definitions For the purpose of this document, the terms and definitions given in EN 1540, EN 13205-1:2014 and EN 13205-2:2014 apply. NOTE With regard to EN 1540, in particular, the following terms are used in this document: respirable fraction, sampling efficiency, personal sampler, static sampler, thoracic fraction, inhalable fraction, measuring procedure, non-random uncertainty, random uncertainty, uncertainty (of measurement), precision and analysis. 4 Symbols and abbreviations 4.1 Symbols 4.1.1 Latin
COEL relevant occupational exposure limit (OEL) value, [mg/m3]
m0,1,
m0,5 and m2 nominal masses to be loaded onto collection substrates for selected sampling time t and nominal flow rate
Q0 at concentrations corresponding to 10 %, 50 % and 200 % of the occupational exposure limit, [mg]
mHandlbn mass remaining on collection substrate n of subset b after the handling test, [mg] – SIST EN 13205-6:2014
EN 13205-6:2014 (E) 6 Clause 6
mLoadbn mass loaded onto collection substrate n of subset b, [mg]
mTranspbn mass remaining on collection substrate n of subset b after the transport test, [mg] – Clause 5
NMLb number of mass loaded collection substrates in subset b
Q0 nominal flow rate of sampler, [l/min]
sHandl standard deviation of handling losses of loaded collection substrates, [mg] – Clause 6
sHandlb standard deviation of handling losses of loaded collection substrates for subset b, [mg] – Clause 6
sTransp standard deviation of transport losses of loaded collection substrates, [mg] – Clause 5
sTranspb standard deviation of transport losses of loaded collection substrates for subset b, [mg] – Clause 5 t selected sampling time in the range from the minimum to the maximum sampling time according to the measurement procedure, [min] t0,1, t0,5 and t2
estimated sampling times for obtaining nominal mass loadings of collection substrates,
m0,1,
m0,5 and m2, respectively, with nominal flow rate
Q0 at actual workplace concentration, [min] tx minimum sampling period at the concentration equal to
χCOEL mg/m3, [min]
ut-nR non-random measurement error due to transport/handling losses, [-]
ut-R random measurement error due to transport/handling losses, [-] 4.1.2 Greek
∆mHandlbn mass loss due to the handling test for collection substrate n of subset b, [mg] – Clause 6
∆mTranspbn mass loss due to the transport test for collection substrate n of subset b, [mg] – Clause 5
aver∆mHandlb average relative handling losses of loaded collection substrates for subset b, [mg] – Clause 6
aver∆mTranspb average transport losses of loaded collection substrates for subset b, [mg] – Clause 5 λχ requirement for the transport loss (see 5.1) at the concentration equal to
χCOEL mg/m3, [-] χ proportionality constant that takes the values 0,1, 0,5 and 2,0, respectively, for the concentrations corresponding to 10 %, 50 % and 200 %, respectively, of
COEL, [-]
χn ratio of the calculated concentration from mass load n and the limit value, [-] SIST EN 13205-6:2014
EN 13205-6:2014 (E) 7 4.2 Enumerating subscripts b for subset of collection substrate mass loads n for collection substrate mass load 5 Transport test based on weighing samples before and after shipping by mail 5.1 Principle The transport test is carried out as laboratory test to simulate rough handling that collection substrates, either mounted or unmounted in their aerosol samplers, can be subjected to while transported by mail. Rough handling can result in the movement of collected particles between collection substrate and the internal walls of the sampler or between collection substrate and a special container for transport of the collection substrate to the laboratory. This can be important for all samples being transported from the sampling site to a laboratory. 5.2 Test procedure 5.2.1 General The purpose of this test is estimate mass measurement errors due to either material loss or substrate contamination during the transport of samples between field and laboratory. This test is relevant to both complete samplers (i.e. with mounted collection substrates) and collection substrates removed from the samplers and placed in special containers for transport to a laboratory. It is expected that the errors increase with median particle geometric size of the test aerosols, and that the errors for inhalable aerosol samplers would be larger than those for respirable aerosol samplers. This test can be performed for several different aerosols. For a test that is intended to be representative of a range of aerosols possibly encountered by the sampler, it is necessary to perform the test with a test aerosol consisting of as large particles as relevant. This test is applicable to any suitable analytical method. Gravimetric determination (weighing) is used throughout this part of EN 13205 as a surrogate term for any suitable analytical method. If the test described in this clause is to be used with a different analytical method, the procedure needs to be modified accordingly. If the normal mode of transport is to place the dust-laden collection media in special tins or containers, the transport test shall be carried out in this manner. This test applies to both personal and static samplers. 5.2.2 Test equipment At least five (but preferably seven) samplers, with collection substrates, shall be used in the test. The samplers need to be exposed to identical concentrations. Twenty-one (21) collection substrates, plus blanks are required. Divide the collection substrates into three sets of seven substrates. This test is preferentially carried out at workplaces, using workplace aerosols. An analytical balance reading to 0,01 mg (or better) is required for weighing the collection substrates. SIST EN 13205-6:2014
EN 13205-6:2014 (E) 8 5.2.3 Test aerosol and method of loading collection media The test sh
...
SLOVENSKI STANDARD
oSIST prEN 13205-6:2012
01-november-2012
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Workplace exposure - Assessment of sampler performance for measurement of airborne
particle concentrations - Part 6: Transport and handling tests
Exposition am Arbeitsplatz - Bewertung der Leistungsfähigkeit von Sammlern für die
Messsung der Konzentration luftgetragener Partikel - Teil 6: Prüfungen zum Transport
und zur Handhabung
Exposition sur les lieux de travail - Évaluation des performances des dispositifs de
prélèvement pour la mesure des concentrations de particules en suspension dans l'air -
Partie 6: Essais de manipulation et de transport
Ta slovenski standard je istoveten z: prEN 13205-6
ICS:
13.040.30 Kakovost zraka na delovnem Workplace atmospheres
mestu
oSIST prEN 13205-6:2012 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 13205-6:2012
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oSIST prEN 13205-6:2012
EUROPEAN STANDARD
DRAFT
prEN 13205-6
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2012
ICS 13.040.30 Will supersede EN 13205:2001
English Version
Workplace exposure - Assessment of sampler performance for
measurement of airborne particle concentrations - Part 6:
Transport and handling tests
Exposition sur les lieux de travail - Évaluation des Exposition am Arbeitsplatz - Beurteilung der
performances des dispositifs de prélèvement pour la Leistungsfähigkeit von Sammlern für die Messung der
mesure des concentrations de particules en suspension Konzentration luftgetragener Partikel - Teil 6: Prüfungen
dans l'air - Partie 6: Essais de manipulation et de transport zum Transport und zur Handhabung
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 137.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 13205-6:2012: E
worldwide for CEN national Members.
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oSIST prEN 13205-6:2012
prEN 13205-6:2012 (E)
Contents Page
Foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Symbols and abbreviations . 5
5 Transport test based on weighing samples before and after shipping by mail . 7
5.1 Principle . 7
5.2 Test procedure . 7
5.3 Calculations . 9
5.4 Test Report . 11
6 Handling test for loaded samplers or collection substrates using a shaker . 12
6.1 Principle . 12
6.2 Test procedure . 12
6.3 Calculation methods . 14
6.4 Test Report . 16
Bibliography . 18
2
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oSIST prEN 13205-6:2012
prEN 13205-6:2012 (E)
Foreword
This document (prEN 13205-6:2012) has been prepared by Technical Committee CEN/TC 137 “Assessment
of workplace exposure to chemical and biological agents”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document together with prEN 13205-1, prEN 13205-2, FprCEN/TR 13205-3, prEN 13205-4 and
prEN 13205-5 supersedes prEN 13205:2010 and will supersede EN 13205:2001.
EN 13205 Workplace exposure – Assessment of sampler performance for measurement of airborne particle
concentrations consists of the following parts:
Part 1: General requirements;
Part 2: Laboratory performance test based on determination of sampling efficiency;
Part 3: Analysis of sampling efficiency data;
Part 4: Laboratory performance test based on comparison of concentrations;
Part 5: Aerosol sampler performance test and sampler comparison carried out at workplaces;
Part 6: Transport and handling tests.
3
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oSIST prEN 13205-6:2012
prEN 13205-6:2012 (E)
Introduction
EN 481 defines sampling conventions for the particle size fractions to be collected from workplace
atmospheres in order to assess their impact on human health. Conventions are defined for the inhalable,
thoracic and respirable aerosol fractions. These conventions represent target specifications for aerosol
samplers, giving the ideal sampling efficiency as a function of particle aerodynamic diameter.
In general, the sampling efficiency of real aerosol samplers will deviate from the target specification, and the
aerosol mass collected will therefore differ from that which an ideal sampler would collect. In addition, the
behaviour of real samplers is influenced by many factors such as external wind speed. In many cases there is
an interaction between the influence factors and fraction of the airborne size distribution of the environment in
which the sampler is used.
This part of EN 13205 describes two test methods for determining the uncertainties due to transport errors.
The values calculated can directly be compared to the requirements of prEN 13205-1:2012. The first method
is based on loading collection substrates with particles from a workplace aerosol and delivery by ordinary mail.
The second method is based on loading collection substrates with particles from a specified laboratory test
aerosol and subsequent exposure of the collection substrates to vibrations using either a laboratory shaker
table or a vertical shaker.
EN 13205 enables manufacturers and users of aerosol sampling instruments to adopt a consistent approach
to sampler validation, and provide a framework for the assessment of sampler performance with respect to
EN 481 and EN 482.
It is the responsibility of the manufacturer of aerosol samplers to inform the user of the sampler performance
1)
under the laboratory conditions specified in this part of EN 13205. It is the responsibility of the user to ensure
that the actual conditions of intended use are within what the manufacturers specifies as acceptable
conditions according to the performance test.
1)
The inhalable convention is undefined for particle sizes in excess of 100 µm or for wind speeds greater than 4 m/s. The
tests required to assess performance are therefore limited to these conditions. Should such large particle sizes or wind
speeds actually exist at the time of sampling, it is possible that different samplers meeting this standard give different
results.
4
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oSIST prEN 13205-6:2012
prEN 13205-6:2012 (E)
1 Scope
This European Standard specifies a performance test of loaded collection substrates for samplers for the
inhalable, thoracic or respirable aerosol fractions and, as alternative, a handling test, both for testing transport
losses of aerosol sampler substrates under prescribed conditions in order to calculate the expanded
uncertainty of a measuring procedure according to prEN 13205-1:2012, Annex A. The transport test involves
shipping loaded substrates with ordinary mail, whereas the handling test uses a shaker.
This part of EN 13025 applies to all samplers used for the health-related sampling of particles in workplace air.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
EN 481:1993, Workplace atmospheres — Size fraction definitions for measurement of airborne particles
EN 482:2012, Workplace exposure — General requirements for the performance of procedures for the
measurement of chemical agents
EN 1540, Workplace exposure — Terminology
prEN 13205-1:2012, Workplace exposure — Assessment of sampler performance for measurement of
airborne particle concentrations — Part 1: General requirements
prEN 13205-2:2012, Workplace exposure — Assessment of sampler performance for measurement of
airborne particle concentrations — Part 2: Laboratory performance test based on determination of sampling
efficiency
ISO 15767:2009, Workplace atmospheres — Controlling and characterising uncertainty in weighing collected
aerosols
3 Terms and definitions
For the purpose of this document, the term and definitions given in EN 1540, prEN 13205-1:2012,
prEN 13205-2:2012 apply.
NOTE With regard to EN 1540, in particular, the following terms are used in this document: total airborne particles,
respirable fraction, sampling efficiency, static sampler, thoracic fraction, measuring procedure, non-random uncertainty,
random uncertainty, expanded uncertainty, standard uncertainty, combined standard uncertainty, expanded uncertainty,
uncertainty (of measurement), coverage factor, precision and analysis.
4 Symbols and abbreviations
4.1 Symbols
4.1.1 Latin
C calculated concentration corresponding to the mass load n, selected sampling period
n
0 3
T and nominal flow rate Q , [mg/m ]
5
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oSIST prEN 13205-6:2012
prEN 13205-6:2012 (E)
3
C relevant occupational exposure limit (OEL) value, [mg/m ]
OEL
m , m and m nominal masses to be loaded onto collection substrates for selected sampling time
0,1 0,5 2
0
T and nominal flow rate Q at concentrations corresponding to 10 %, 50 % and
200 % of the occupational exposure limit, [mg]
m mass loaded onto collection substrate, in the range min m to max m ,
Load ( ) ( )
Load Load
n n
[mg]
m mass loaded onto collection substrate n of subset b , [mg] – Clause 5
Load
bn
m mass loaded onto collection substrate n, [mg] – Clause 6
Handl
n
m mass loaded onto collection substrate n of subset b, [mg] – Clause 5
Load
bn
m mass loaded onto collection substrate n, [mg] – Clause 6
Load
n
m mass remaining on collection substrate n of subset b after the transport, [mg] –
Transp
bn
Clause 5
N number of mass loaded collection substrates – Clause 6
ML
N number of mass loaded collection substrates in subset b – Clause 5
ML
b
0
Q nominal flow rate of sampler, [l/min]
s standard deviation of transport losses of loaded collection substrates, [mg] –
Handl
Clause 6
s standard deviation of transport losses of loaded collection substrates, [mg] –
Transp
Clause 5
s standard deviation of transport losses of loaded collection substrates for subset b,
Transp
b
[mg] – Clause 5
T selected sampling time in the range from the minimum to the maximum sampling
time according to the measurement procedure, [min]
T , T and T estimated sampling times for obtaining nominal mass loadings of collection
0,1 0,5 2
0
substrates, m , m and m , respectively, with nominal flow rate Q at actual
0,1 0,5 2
workplace concentration, [min]
3
T minimum sampling period at the concentration equal to χ C mg/m , [min]
χ OEL
u non-random measurement error due to transport losses, [-]
t-nR
u random measurement error due to transport losses, [-]
t-R
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4.1.2 Greek
∆m mass loss due to the transport test for collection substrate n, [mg] – Clause 6
Handl
n
∆m mass loss due to the transport test for collection substrate n of subset b, [mg] –
Transp
bn
Clause 5
aver
∆m average transport losses of loaded collection substrates, [mg] – Clause 6
Handl
aver
∆m average transport losses of loaded collection substrates of subset b, [mg] – Clause 5
Transp
b
*
∆m relative weight change due to the transport test for collection substrate n, [mg] –
Handl
n
Clause 6
λ requirement for the transport loss (see Clause 5.1) at the concentration equal to
χ
3
χ C mg/m , [-] – Clause 6
OEL
χ proportionality constant that takes the values 0,1, 0,5 and 2,0, respectively, for the
concentrations corresponding to 10 %, 50 % and 200 %, respectively, of C , [-]
OEL
χ ratio of the calculated concentration from mass load n and the limit value, [-]
n
4.2 Enumerating subscripts
b for subset of collection substrate mass loads – Clause 5
n for collection substrate mass load
5 Transport test based on weighing samples before and after shipping by mail
5.1 Principle
The transport test is carried out as laboratory test to simulate rough handling that collection substrates, either
mounted or unmounted in their aerosol samplers, can be subjected to while transported by mail. Rough
handling can result in the movement of collected particles between collection substrate and the internal walls
of the sampler or between collection substrate and a special container for transport of the collection substrate
to the laboratory. This can be important for all samples being transported from the sampling site to a
laboratory
5.2 Test procedure
5.2.1 General
The purpose of this test is estimate mass measurement errors due to either material loss or substrate
contamination during the transport of samples between field and laboratory. This test is relevant to both
complete samplers (i.e. with mounted collection substrates) and collection substrates removed from the
samplers and placed in special containers for transport to a laboratory.
It is expected that the errors increase with median particle geometric size of the test aerosols, and that the
errors for inhalable aerosol samplers would be larger than those for respirable aerosol samplers. This test can
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be performed for several different aerosols, differentiated by their size distribution, stickiness, etc. For a test
that is intended to be representative of a range of aerosols possibly encountered by the sampler, it is
necessary to perform the test with a test aerosol consisting of as large particles as relevant.
This test is applicable to any suitable analytical method. Gravimetric determination (weighing) is used
throughout this part of EN 13205 as a surrogate term for any suitable analytical method. If the test described
in this clause is to be used with a different analytical method, the procedure needs to be modified accordingly.
If the normal mode of transport is to place the dust-laden collection media in special tins or containers, the
transport test shall be carried out in this manner.
This test applies to both personal and static samplers.
5.2.2 Test equipment
At least five (but preferably seven) samplers, with collection substrates, shall be used in the test. The
samplers need not be exposed to identical concentrations.
Twenty-one (21) collection substrates, plus blanks. Divide the collection substrates into three sets of seven
substrates.
This test is preferentially carried out at workplaces, using workplace aerosols.
An analytical balance reading to 0,01 mg is required for weighing the collection substrates.
5.2.3 Test aerosol and method of loading collection media
The test shall be performed with a polydisperse test aerosol of suitable composition.
There are several requirements on the test aerosol when possible transport errors for unspecified aerosols are
investigated: The test aerosol shall consist of non-volatile, non-reactive, non-sticky and non-hygroscopic
particles; For samplers of the respirable or thoracic aerosol fraction, the ratio of the sampled fraction to the
total airborne particle concentration shall be less than 40 %; For sampler of the inhalable aerosol fraction, the
mass median of the test aerosol shall exceed 20 µm.
Unless the relevant measuring procedure states an upper (and/or lower) mass loading of the collection
substrates, the range of masses loaded onto the collection substrates shall approximately correspond to that
sampled from concentrations in the range one tenth to twice the occupational exposure limit value of a
relevant substance, with one sampling time, T , in the range from the minimum to the maximum sampling
time according to the measuring procedure and using the nominal flow rate. Determine the three nominal
collection substrate mass loads, m , m and m , respectively, that for the selected sampling time, T ,and
0,1 0,5 2
0
nominal flow rate, Q , corresponds to c
...
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