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PREN 16966 : DRAFT 2016

Current
Current

The latest, up-to-date edition.

WORKPLACE EXPOSURE - METRICS TO BE USED FOR THE MEASUREMENTS OF EXPOSURE TO INHALED NANOPARTICLES (NANO-OBJECTS AND NANOSTRUCTURED MATERIALS) SUCH AS MASS CONCENTRATION, NUMBER CONCENTRATION AND SURFACE AREA CONCENTRATION
Published date

02-15-2016

European Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Relevance of ISO definition for assessing
  health impacts of airborne NOAAs
6 Particle metrics and their selection
7 Exposure assessment strategy based on WI 00137053
8 Determination of exposure
Annex A (informative) - Source domains of
        workplace exposure scenarios for
        engineered/manufactured NOAAs
Annex B (informative) - Evolution of available instrumental
        technology since publications of ISO/TR 27628
        and ISO/TR 12885
Annex C (informative) - Monitors for measuring the NOAA
        ensemble number metric
Annex D (informative) - Monitors for measuring the NOAA
        ensemble surface area metric
Annex E (informative) - Samplers for determining the
        NOAA mass (chemical element) metric by
        off-line analysis
Annex F (informative) - Monitors for measuring the
        size-resolved NOAA number metric (number
        -weighted electric mobility equivalent diameter
        distribution)
Annex G (informative) - Samplers for determining the
        size-resolved NOAA mass metric (mass-weighted
        diffusion equivalent diameter distribution) by
        off-line analysis
Annex H (informative) - Samplers for determining the
        size-resolved NOAA mass (chemical
        element/compound) metric (mass-weighted
        aerodynamic equivalent diameter distribution)
        by off-line analysis
Annex I (informative) - Monitors for determining the
        size-resolved NOAA number metric
        (number-weighted aerodynamic equivalent
        diameter distribution)
Annex J (informative) - Number-weighted smallest
        Feret diameter distribution of primary particles
        of aggregates and constituent parts of aggregates
Bibliography

Gives a guideline on the implications of choice of particle metric to express the exposure to airborne NOAAs e.g. released from nanomaterials and present the principles of operation, advantages and disadvantages of various techniques that measure the different aerosol metrics.

Committee
TC 137
DocumentType
Draft
PublisherName
Comite Europeen de Normalisation
Status
Current

ISO 7708:1995 Air quality — Particle size fraction definitions for health-related sampling
EN ISO 28439:2011 Workplace atmospheres - Characterization of ultrafine aerosols/nanoaerosols - Determination of the size distribution and number concentration using differential electrical mobility analysing systems (ISO 28439:2011)
EN 481:1993 Workplace atmospheres - Size fraction definitions for measurement of airborne particles
ISO 26824:2013 Particle characterization of particulate systems — Vocabulary
ISO/TS 27687:2008 Nanotechnologies Terminology and definitions for nano-objects Nanoparticle, nanofibre and nanoplate
ISO/TR 945-2:2011 Microstructure of cast irons Part 2: Graphite classification by image analysis
ISO 28439:2011 Workplace atmospheres Characterization of ultrafine aerosols/nanoaerosols Determination of the size distribution and number concentration using differential electrical mobility analysing systems
ISO 16972:2010 Respiratory protective devices Terms, definitions, graphical symbols and units of measurement
ISO 13138:2012 Air quality — Sampling conventions for airborne particle deposition in the human respiratory system
ISO/TR 27628:2007 Workplace atmospheres Ultrafine, nanoparticle and nano-structured aerosols Inhalation exposure characterization and assessment
ISO/TS 80004-1:2015 Nanotechnologies — Vocabulary — Part 1: Core terms
EN ISO 13138:2012 Air quality - Sampling conventions for airborne particle deposition in the human respiratory system (ISO 13138:2012)
EN 1540:2011 Workplace exposure - Terminology
ISO 9277:2010 Determination of the specific surface area of solids by gas adsorption — BET method
ISO 27891:2015 Aerosol particle number concentration — Calibration of condensation particle counters
ISO 15900:2009 Determination of particle size distribution Differential electrical mobility analysis for aerosol particles

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