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UN R138: Background noise criteria - ISO 16254 Technical Measurement Development
Document GRBP-75-03
22 January 2022

Presentation by ISO TC43/SC1/WG42

Submitted by ISO
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Previous Documents, Discussions, and Outcomes
3. UN Regulation No. 138 (Quiet road transport vehicles).

14. The expert from ISO reported on technical measurement development for standard ISO 16254 (GRBP-75-03). He also presented an updated standard ISO 10844:2021 (GRBP-75-02-Rev.1/Add.1) and proposed to include it into UN Regulations Nos. 51, 117 and 138 (GRBP-75-02-Rev.1). GRBP invited the expert from ISO to submit an official document to the next session.

Relates to UN R138 |