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  • BS ISO 8672:2014

    Current The latest, up-to-date edition.

    Air quality. Determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy. Membrane filter method

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-05-2015

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 General method description
    5 Sampling
    6 Evaluation
    7 Sources of errors and uncertainty
    8 Test report
    Annex A (informative) - Slide mounting: acetone-triacetin
            procedure
    Annex B (informative) - Permanent slide preparation:
            dimethyl formamide - Euparal procedure
    Annex C (normative) - Eyepiece graticule
    Annex D (informative) - Measurement of exposed filter area
    Annex E (informative) - Microscope adjustment procedure
    Annex F (informative) - Sources
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy using the membrane filter method in workplace atmospheres, as defined by the counting criteria.

    Scope - (Show below) - (Hide below)

    This International Standard specifies the determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy using the membrane filter method in workplace atmospheres, as defined by the counting criteria given in 6.5.4.

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    Committee EH/2/2
    Development Note Supersedes 13/30266220 DC. (05/2015)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 13137:2013 Workplace atmospheres — Pumps for personal sampling of chemical and biological agents — Requirements and test methods
    ASTM D 7200 : 2012 : REDLINE Standard Practice for Sampling and Counting Airborne Fibers, Including Asbestos Fibers, in Mines and Quarries, by Phase Contrast Microscopy and Transmission Electron Microscopy
    EN 1540:2011 Workplace exposure - Terminology
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
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