EN 689:2018+AC:2019

SLOVENSKI STANDARD
01-julij-2019
Izpostavljenost na delovnem mestu - Merjenje izpostavljenosti pri vdihavanju
kemičnih agensov - Strategija preskušanja skladnosti z mejnimi vrednostmi za
poklicno izpostavljenost (vključno s popravkom AC)
Workplace exposure - Measurement of exposure by inhalation to chemical agents -
Strategy for testing compliance with occupational exposure limit values
Exposition am Arbeitsplatz - Messung der Exposition durch Einatmung chemischer
Arbeitsstoffe - Strategie zur Überprüfung der Einhaltung von Arbeitsplatzgrenzwerten
Exposition sur les lieux de travail - Mesurage de l'exposition par inhalation d'agents
chimiques - Stratégie pour vérifier la conformité à des valeurs limites d'exposition
professionnelle
Ta slovenski standard je istoveten z: EN 689:2018+AC:2019
ICS:
13.040.30 Kakovost zraka na delovnem Workplace atmospheres
mestu
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 689:2018+AC
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2019
EUROPÄISCHE NORM
ICS 13.040.30 Supersedes EN 689:2018
English Version
Workplace exposure - Measurement of exposure by
inhalation to chemical agents - Strategy for testing
compliance with occupational exposure limit values
Exposition sur les lieux de travail - Mesurage de Exposition am Arbeitsplatz - Messung der Exposition
l'exposition par inhalation d'agents chimiques - durch Einatmung chemischer Arbeitsstoffe - Strategie
Stratégie pour vérifier la conformité à des valeurs zur Überprüfung der Einhaltung von
limites d'exposition professionnelle Arbeitsplatzgrenzwerten
This European Standard was approved by CEN on 2 March 2018 and includes Corrigendum 1 approved by CEN on 2 March 2018.

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, Serbia, 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: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 689:2018+AC:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 44BScope . 6
2 45BNormative references . 6
3 46BTerms and definitions and abbreviations . 6
3.1 51BTerms and definitions . 6
3.2 52BAbbreviations . 7
4 47BGeneral . 7
5 48BOccupational exposure assessment. 9
5.1 53BBasic characterization . 9
5.1.1 58BGeneral . 9
5.1.2 59BIdentification of chemical agents and other information required . 9
5.1.3 60BReview of workplace factors . 10
5.1.4 61BEstimation of exposure . 10
5.1.5 62BDecisions . 11
5.2 54BSampling strategy. 11
5.2.1 63BConstitution of Similar Exposure Groups (SEGs) . 11
5.2.2 64BSpecifying the measuring procedure . 12
5.3 55BPerforming exposure measurements . 13
5.4 56BValidation of results and SEGs . 13
5.4.1 65BGeneral . 13
5.4.2 66BValidation of measurement results . 13
5.4.3 67BValidation of SEGs . 14
5.5 57BComparison of results with OELVs . 14
5.5.1 68BGeneral . 14
5.5.2 69BPreliminary test . 15
5.5.3 70BStatistical test . 15
6 49BReport . 16
7 50BPeriodic reassessment . 16
Annex A 35B(informative) Assessment of exposure . 18
A.1 0BGeneral . 18
A.2 1BWorkplaces with constant conditions . 20
A.3 2BShortened exposure at workplaces with constant working conditions . 20
A.4 3BWorkplaces involving occasional exposure . 20
A.5 4BStationary workplaces with irregular exposure . 21
A.6 5BWorkers who move from a workplace to another with irregular exposure . 21
A.7 6BWorkplaces with unpredictable, constantly changing exposure . 22
A.8 7BOutdoor workplaces . 22
A.9 8BUnderground workplaces . 22
Annex B 36B(informative) Occupational exposure limit values for compliance testing. 24
Annex C 37B(informative) Simultaneous ˜occupational™ exposure to several chemical
agents . 26
C.1 9BGeneral . 26
C.2 10BTier 1: Exposure index (I ) . 26
E
C.3 11BTier 2: Additive effect exposure index (I ) . 27
AE
C.4 12BOther approaches . 28
Annex D 38B(informative) Exposure profile and sampling duration . 29
D.1 13BGeneral . 29
D.2 14BMeasurement for testing compliance with 8 h- OELV . 29
D.3 15BMeasurement for testing compliance with short-term limit value . 34
Annex E 39B(informative) Check of exposure measurements distribution, and identification of
exceptional exposure within the SEG . 35
E.1 16BGeneral . 35
E.2 17BGraphical method . 35
E.2.1 27BPrinciple . 35
E.2.2 28BPlotting . 36
E.2.3 29BExample . 36
E.2.4 30BExamples of SEGs requiring further consideration . 37
E.2.4.1 31BGeneral . 37
E.2.4.2 32BSEG consisting of two groups . 38
E.2.4.3 33BSome individuals with exceptional exposure . 39
E.2.4.4 34BDistributions appearing to be not lognormal. . 40
E.3 18BStatistical methods for the validation of SEGs . 41
Annex F 40B(informative) Testing compliance with OELVs . 42
F.1 19BGeneral . 42
F.2 20BSEG compliance test for at least six exposure measurements . 42
F.3 21BDecision . 43
Annex G 41B(informative) Exposure calculation with a work shift longer than 8h . 45
Annex H 42B(informative) Exposure below the limit of quantification . 46
H.1 22BGeneral . 46
H.2 23BPrinciple . 46
H.3 24BExample . 46
H.4 25BUncertainty . 49
H.5 26BSoftware .
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