Noise measurement uncertainties: Document for Reference-Proposal for editorial improvements
Document IWGMU-22-07/Rev.1
30 January 2023

Proposal for improvements to the draft Revision 2 to GRBP/2022/9.

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Previous Documents, Discussions, and Outcomes
2. | UN Regulation No. 51 (Noise of M and N categories of vehicles)

4. The expert of IWG MU presented a revised document of reference on measurement uncertainties (ECE/TRANS/WP.29/GRBP/2022/9/Rev.1). GRBP adopted the revised document, as amended by GRBP-76-11, and requested the secretariat to publish it on the GRBP website for reference documents.

5. GRBP took note that, at the June 2022 session of WP.29, IWG MU had delivered a presentation on the general approach of how to handle measurement uncertainties in UN Regulations.

4. (c) | UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)
Related and Previous Documents
GRBP/2022/9/Rev.1
IWGMU-22-08/Rev.1
Relates to UN R51 | UN R117 |