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BS ISO 16258-1:2015

Current
Current

The latest, up-to-date edition.

Workplace air. Analysis of respirable crystalline silica by X-ray diffraction Direct-on-filter method
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-31-2015

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling
6 Analytical procedure
7 Calculation
8 Performance characteristics
9 Test report
Annex A (informative) - Example instrumental conditions
Annex B (informative) - Data collection parameters
Annex C (normative) - Corrections for absorption
Annex D (informative) - Range of typical detection limits
Annex E (informative) - Typical expanded uncertainty for
        the direct-on-filter method
Annex F (informative) - Differences between samplers
Bibliography

Describes the analysis of respirable crystalline silica (RCS) in samples of air collected on 25 mm-filters by X-ray diffraction, when using an analytical approach where the dust on the air sample filter is directly analysed by the instrument.

This part of ISO16258 specifies the analysis of respirable crystalline silica (RCS) in samples of air collected on 25mm-filters by X-ray diffraction, when using an analytical approach where the dust on the air sample filter is directly analysed by the instrument. This part of ISO16258 includes information on the instrumental parameters, sensitivity of different sampling apparatus, uses of different filters and correction for absorption effects. In this part of ISO16258 , the expression RCS includes the most common polymorphs quartz and cristobalite. The less common polymorphs of crystalline silica, such as tridymite, are not included within the scope of this part of ISO16258 because a standard reference material is not available. Under certain circumstances (i.e. low filter dust loads, low silica content), the analytical approach described in this method may not fulfil the expanded uncertainty requirements of EN482 . [5] Guidance for calculation of uncertainty for measurements of RCS is given in ISO24095 .

Committee
EH/2/2
DocumentType
Standard
Pages
38
PublisherName
British Standards Institution
Status
Current

Standards Relationship
ISO 16258-1:2015 Identical

ISO 11843-2:2000 Capability of detection — Part 2: Methodology in the linear calibration case
ISO 7708:1995 Air quality — Particle size fraction definitions for health-related sampling
ISO 11843-1:1997 Capability of detection Part 1: Terms and definitions
ISO 24095:2009 Workplace air Guidance for the measurement of respirable crystalline silica
EN 481:1993 Workplace atmospheres - Size fraction definitions for measurement of airborne particles
EN 482:2012+A1:2015 Workplace exposure - General requirements for the performance of procedures for the measurement of chemical agents
ISO 13137:2013 Workplace atmospheres — Pumps for personal sampling of chemical and biological agents — Requirements and test methods
ISO 11095:1996 Linear calibration using reference materials
CEN/TR 15230:2005 Workplace atmospheres - Guidance for sampling of inhalable, thoracic and respirable aerosol fractions
EN 13205:2001 Workplace atmospheres - Assessment of performance of instruments for measurement of airborne particle concentrations
EN 1540:2011 Workplace exposure - Terminology
ISO 15767:2009 Workplace atmospheres Controlling and characterizing uncertainty in weighing collected aerosols
ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability

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