About

Scope

Standardization of all geosynthetic products including geotextlles, geomembranes, geocomposite clay liners and other geosynthetic related products.

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36

published ISO standards *

under the direct responsibility of ISO/TC 221

26

ISO standards under development *

under the direct responsibility of ISO/TC 221

29

Participating countries

15

Observing countries

* number includes updates

Reference Title Type
ISO/TC 221/WG 2 Terminology, identification and sampling Working group *
ISO/TC 221/WG 3 Mechanical properties Working group *
ISO/TC 221/WG 4 Hydraulic properties Working group *
ISO/TC 221/WG 5 Durability Working group *
ISO/TC 221/WG 6 Design using geosynthetics Working group *

* The convener can be reached through the secretariat (See contact information below)

Liaison Committees to ISO/TC 221

The committees below can access the documents of ISO/TC 221 :

Reference Title ISO/IEC
ISO/TC 98 Bases for design of structures ISO
Organizations in liaison
Acronym Title Liaison type
IGS IGS - International Geosynthetics Society A
Date Month Location TC/SC Note
20-21 September 2017 Seoul (Korea, Republic of) ISO/TC 221 *

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 221 - Secretariat

BSI United Kingdom
British Standards Institution
389 Chiswick High Road
London
W4 4AL
United Kingdom

Tel: +44 208 996 90 00
Fax: +44 208 996 74 00

Secretariat direct:
Mr David Hyde
Tel: +44 208 996 72 28
Fax: +44 20 89 96 77 99