ISO 17723-1:2019

INTERNATIONAL ISO
STANDARD 17723-1
First edition
2019-08
PPE ensembles for firefighters
undertaking hazardous materials
response activities —
Part 1:
Gas-tight, vapour-protective
ensembles for emergency response
teams ("type 1")
Équipement de protection personnelle pour pompiers entreprenant
des activités de réponse de produits dangereux —
Partie 1: Ensembles hermétiques au gaz et à la vapeur pour équipes
d'urgence («type 1»)
Reference number
©
ISO 2019
© ISO 2019
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Published in Switzerland
ii © ISO 2019 – All rights reserved

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Ensemble requirements . 5
4.1 General requirements . 5
4.1.1 Minimum ensemble configuration . 5
4.1.2 Hood visor . 5
4.1.3 Respiratory protective device . 5
4.1.4 Designation of ensemble use . 6
4.1.5 Integration of ensemble . . 6
4.1.6 Attachment of lifeline and other equipment. 6
4.1.7 Optional requirements for integrity for escape from chemical flash fire . 6
4.2 Ensemble requirements pertaining to chemical protective suits . 6
4.2.1 Additional or other PPE . 6
4.2.2 Protective covers for exhaust valves . 6
4.2.3 Suit design . 7
4.2.4 Whole suit performance . 7
4.2.5 Practical performance test . 7
4.3 Ensemble requirements pertaining to gloves . 7
4.3.1 Outer gloves . 7
4.3.2 Removal and replacement of gloves . 7
4.4 Ensemble requirements pertaining to footwear . 7
4.4.1 Bootees . 7
4.4.2 Separate boots . 7
4.4.3 Footwear splash flap. 7
5 Requirements for suit materials . 7
5.1 General requirements . 7
5.1.1 Suit material layers . 7
5.1.2 Materials for testing of permeation resistance . 8
5.1.3 Materials for testing of physical properties . 8
5.2 Permeation resistance . 8
5.3 Suit material physical properties . 9
5.4 Suit material flame resistance . 9
5.4.1 Requirements . 9
5.4.2 Limited-use suits .10
5.4.3 Re-usable suits .10
6 Requirements for suit components and assemblies .10
6.1 Seams .10
6.1.1 Seam strength .10
6.1.2 Seam permeation resistance .10
6.2 Visors .10
6.2.1 Visor materials for testing .10
6.2.2 Visor physical performance.10
6.2.3 Distortion of vision .10
6.2.4 Visor permeation resistance .10
6.2.5 Chemical degradation of visor .11
6.3 Gloves .11
6.3.1 Attached gloves .11
6.3.2 Assembly strength between gloves and suit sleeve .11
6.3.3 Glove material permeation resistance .11
6.3.4 Glove material physical properties .11
6.4 Footwear .13
6.4.1 Requirements for ensembles incorporating bootees and separate boots .13
6.4.2 Requirements for ensembles using attached boots .13
6.4.3 Additional requirements .14
6.4.4 Resistance to flame .14
6.4.5 Permeation resistance .14
6.5 Closures .14
6.5.1 Closure physical performance .14
6.5.2 Closure system permeation resistance .15
7 Optional requirements for protection against chemical terrorism and biological
agents under non-military circumstances .15
7.1 Additional ensemble requirement .15
7.2 Additional ensemble material requirements .15
7.2.1 Chemical terrorism agent permeation resistance.15
7.2.2 Biological agent penetration resistance .15
8 Labelling .15
9 Instructions for use and information supplied by the manufacturer .16
Annex A (normative) Practical performance test .18
Annex B (informative) Guidelines for selection of personal protective equipment for
hazardous materials response .22
Annex C (informative) Adapted test cell for testing closures (zipper) .26
Annex D (normative) Distortion of vision test for visors .27
Annex E (normative) Cumulative chemical permeation test requirements for chemical
terrorism agents .28
Annex F (normative) Permeation preconditioning (flexing and abrasion) .29
Annex G (informative) Illustration of hierarchy of terms related to a chemical protective
ensemble .
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