NS EN 13274-2 : 1ED 2001

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Prerequisites
5 General test requirements
6 Test methods
Annex A (normative) Test results - Uncertainty of
      measurement
Annex ZA (informative) Clauses of this European
      Standard addressing essential requirements
      or other provisions of EU Directives

Describes practical performance tests for respiratory protective devices, except for diving apparatus. The purpose of these tests is to subjectively assess certain properties, characteristics and functions of the device, when worn by test subjects in simulated practical use.