BS ISO 14966:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Ambient air. Determination of numerical concentration of inorganic fibrous particles. Scanning electron microscopy method
Hardcopy , PDF
17-12-2019
English
31-08-2007
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Foreword
Introduction
1 Scope
2 Terms and definitions
3 Abbreviated terms
4 Principle
5 Apparatus and materials
5.1 Air sampling
5.2 Preparation of filters
5.3 Sample analysis
6 Air sample collection and analysis
6.1 Measurement planning
6.2 Collection of air samples
6.3 SEM specimen preparation
6.4 Analysis in the scanning electron microscope
7 Calculation of results
7.1 Calculation of the mean fibre concentration
7.2 Calculation of the 95% confidence interval
8 Performance characteristics
8.1 General
8.2 Measurement uncertainty
8.3 Limit of detection
9 Test report
Annex A (normative) Preparation of filters for air sampling
Annex B (normative) Procedures for calibration and
adjustment of the SEM
Annex C (informative) Characteristics and chemical
composition of inorganic fibres
Annex D (informative) Poisson variability as a function of
fibre density on sampling filter and area of
filter analysed
Annex E (informative) Combination of the results
from multiple samples
Bibliography
Defines method using scanning electron microscopy for determination of the concentration of inorganic fibrous particles in the air.
| Committee |
EH/2/3
|
| DevelopmentNote |
Supersedes 97/564142 DC. (12/2002)
|
| DocumentType |
Standard
|
| Pages |
52
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 14966:2002 | Identical |
| ISO 13794:1999 | Ambient air Determination of asbestos fibres Indirect-transfer transmission electron microscopy method |
| ISO 8672:2014 | Air quality — Determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy — Membrane filter method |
| ISO 4225:1994 | Air quality General aspects Vocabulary |
| VDI 3492 Blatt 1:1991-08 | Measurement of inorganic fibrous particles in ambient air; scanning electron microscopy method |
| VDI 3492 Blatt 2:1994-06 | Indoor air pollution measurement; measurement of inorganic fibrous particles; measurement planning and procedure; scanning electron microscopy method |
| ISO 10312:1995 | Ambient air Determination of asbestos fibres Direct transfer transmission electron microscopy method |
| ISO 4226:2007 | Air quality — General aspects — Units of measurement |
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