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| Document Title | UN R51 and WHO maximum noise levels | ||||||||
| Reference Number | GRBP-78-25 | ||||||||
| Date |
17 Aug 2023
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| Source(s) | MAA | ||||||||
| Rulemaking Area(s) | UN R51 Vehicle Noise | ||||||||
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| UNECE server | .pdf format | ||||||||
| Excerpts from session reports related to this document | |||||||||
| GRBP | Session 78 | 30 Aug-1 Sep 2023 |
40. GRBP noted that the secretariat had received a letter from the Civil Association Anti-Noise Environmental Monitor on the possible incompatibility between the sound limits for buses of UN Regulation No. 51 and the guidelines of the World Health Organization (WHO) (GRBP-78-25). Stressing on its constant efforts to reduce the sound limits in UN Regulation No. 51, GRBP pointed out that the noise level figures in UN Regulation No. 51 and the WHO guidelines were not directly comparable for the following reasons:
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