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BS EN ISO 13138:2012

BS EN ISO 13138:2012

Current

Current

The latest, up-to-date edition.

Air quality. Sampling conventions for airborne particle deposition in the human respiratory system

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-29-2012

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Assumptions and approximations
6 Deposition sampling conventions
Annex A (informative) - Deposition variation and
        its correction
Bibliography

Describes sampling conventions to define idealized samplers for estimating the deposition of non-volatile, non-hygroscopic, non-fibrous aerosols in five specific loci of the respiratory tract.

This International Standard specifies sampling conventions to define idealized samplers for estimating the deposition of non-volatile, non-hygroscopic, non-fibrous aerosols in five specific loci of the respiratory tract. The five loci consist of the anterior and posterior areas of the nasal passages, the ciliated and non-ciliated parts of the tracheobronchial area, and the alveolar (gas exchange) region.

The conventions are separated into three independent sampling efficiencies defined in terms of thermodynamic diameter characterizing the diffusive (Brownian) motion of sub-micrometre particles and four efficiencies in terms of aerodynamic diameter>0,1μm characterizing deposition by impaction, interception or gravitational settling. Each conventional curve has been developed as an average of 12 deposition curves corresponding to 12 breathing conditions ranging from sitting to heavy exercise, male vs female, and breathing mode (mouth vs nasal breathing).

NOTE Deposition is computed according to a model developed by the International Commission on Radiological Protection (ICRP, Reference [3]).

Committee
EH/2/2
DevelopmentNote
Supersedes 10/30201065 DC. (02/2012)
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN ISO 13138:2012 Identical
ISO 13138:2012 Identical

ISO 7708:1995 Air quality — Particle size fraction definitions for health-related sampling
EN 481:1993 Workplace atmospheres - Size fraction definitions for measurement of airborne particles
ISO 10651-4:2002 Lung ventilators — Part 4: Particular requirements for operator-powered resuscitators
EN 13205:2001 Workplace atmospheres - Assessment of performance of instruments for measurement of airborne particle concentrations
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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Hardcopy - English
PDF - English
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