BS 4275:1974
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Recommendations for the selection, use and maintenance of respiratory protective equipment
Hardcopy , PDF
15-12-1997
English
16-04-1974
Co-operating organizations
Foreword
Introduction
Recommendations
1 General
1.1 Scope
1.2 Definitions
1.3 Classification of respiratory protective equipment
2 Respirators for dusts and gases
2.1 General description
2.2 General limitations
2.3 Respirators for dusts
2.4 Respirators for gases (with or without dust)
3 Breathing apparatus
3.1 General
3.2 Fresh air hose apparatus: general
3.3 Compressed air-line apparatus: general
3.4 Self-contained breathing apparatus: general
4 Selection of respiratory protective equipment
4.1 General
4.2 Severity and location of the hazard
4.3 Work requirements and conditions
5 Use of respiratory protective equipment
5.1 General
5.2 Test for fit of facepiece
5.3 Use in low temperatures
5.4 Use in high temperatures
5.5 Use of dust, canister and cartridge respirators
5.6 Use of air-line breathing apparatus
5.7 Use of self-contained breathing apparatus
6 Care and maintenance of respiratory protective
equipment
6.1 General
6.2 Inspection
6.3 Cleaning and decontamination
6.4 Servicing
6.5 Storage
6.6 Records
7 Special problems
7.1 Beards
7.2 Corrective spectacles and protective eyewear
7.3 Communication
Appendix
A Nominal protection factor
Table
1 Nominal protection factors
Figures
1 Description of respiratory protective equipment
2 Selection of respiratory protective equipment
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.