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AS 3853.2-2006
[Current]Health and safety in welding and allied processes — Sampling of airborne particles and gases in the operator’s breathing zone, Part 2: Sampling of gases
Adopts ISO 10882-2:2000 to provide methods for analysis of the gaseous component of welding fume.
Published: 24/10/2006
Pages: 21
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Description of measurement methods
4.1 General
4.2 Direct reading electrical apparatus
4.2.1 Applicability
4.2.2 Operating principles
4.2.3 Availability
4.3 Detector tubes
4.3.1 Applicability
4.3.2 Pumped detector tubes
4.3.3 Diffusive detector tubes
4.4 Indirect methods involving laboratory analysis
4.4.1 Applicability
4.4.2 Pumped sampler methods
4.4.2.1 Pumped sorbent tube methods
4.4.2.2 Liquid sorbent methods
4.4.2.3 Gas sampling bag methods
4.4.3 Diffusive sampler methods
4.4.3.1 Applicability
4.4.3.2 Diffusive badge methods
4.4.3.3 Diffusion tube methods
5 Requirements
6 Assessment strategy
7 Measurement strategy
7.1 General
7.2 Personal exposure measurements
7.3 Fixed point measurements
7.4 Selection of measurement conditions and measurement pattern
7.4.1 General
7.4.2 Screening measurements of time weighted average concentration and worst case measurements
7.4.3 Measurements for comparison with limit values and periodic measurements
8 Sampling
8.1 Sampling position
8.1.1 Personal sampling
8.1.2 Fixed point sampling
8.2 Sampling equipment
8.2.1 Direct reading electrical apparatus
8.2.2 Detector tubes
8.2.3 Pumped sorbent tubes
8.2.4 Diffusive samplers
8.2.5 Construction materials
8.3 Sample filtration
8.4 Multiple sampling
8.5 Volume of sampling line
8.6 Flow rate
8.7 Handling of temperature, pressure and humidity data
9 Measurement of individual gases and vapours
9.1 General
9.2 Ozone (0,01 ppm to 3 ppm)
9.2.1 Special sampling requirements
9.2.2 Direct reading electrical apparatus
9.2.3 Detector tubes
9.2.4 Indirect methods involving laboratory analysis
9.3 Carbon monoxide (3 ppm to 500 ppm)
9.3.1 Direct reading electrical apparatus
9.3.2 9Detector tubes
9.3.3 Indirect methods involving laboratory analysis
9.4 Carbon dioxide (500 ppm to 10 %)
9.4.1 Origin
9.4.2 Direct reading electrical apparatus
9.4.3 Detector tubes
9.4.4 Indirect methods involving laboratory analysis
9.5 Nitric oxide (1 ppm to 100 ppm) and nitrogen dioxide (0,3 ppm to 250 ppm)
9.5.1 General
9.5.2 Direct reading electrical apparatus
9.5.3 Detector tubes
9.5.4 Indirect methods involving laboratory analysis
9.6 Vapours
9.6.1 General
9.6.2 Direct reading electrical apparatus
9.6.3 Detector tubes
9.6.4 Indirect methods involving laboratory analysis
10 Recording of test data and presentation of results
Annex A
Annex B
B.1 Basic data
B.2 Process data
B.3 Sampling data and test results
Bibliography
Cited references in this standard
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