UNI EN 481 : 1994
Current
The latest, up-to-date edition.
WORKPLACE ATMOSPHERES - SIZE FRACTION DEFINITIONS FOR MEASUREMENT OF AIRBORNE PARTICLES
10-31-1994
Cooperating organizations
National foreword
Foreword
Method
0 Introduction
1 Scope
2 Definitions
3 Principle of conventions
4 Assumptions and approximations
5 Specifications for conventions
Annexes
A (informative) Nomenclature of inhalable and
respirable fractions in English
B (informative) Numerical approximations to cumulative
log-normal distributions
C (informative) Bibliography
Table
1 Numerical values of the conventions, as percentages
of the inhalable convention or of total airborne
particles
Figure
1 The inhalable, thoracic and respirable conventions
as percentages of total airborne particles
National annex
NA (informative) Committees responsible
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