About

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1

published ISO standards *

under the direct responsibility of ISO/TC 71/SC 4

23

Participating countries

17

Observing countries

* number includes updates

Organizations in liaison
Acronym Title Liaison type
EC - European Commission European Commission A

ISO/TC 71/SC 4 - Secretariat

ANSI United States
American Concrete Institute
38800 Country Club Drive
Farmington Hills, MI 48331
United States

Tel: +1 248 848 37 00
Fax: +1 248 848 37 01

Secretariat direct:
Mr Gregory Zeisler
Tel: +1 248 848 3729
Fax: +1 248 848 3720