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A comment on Calgary student has been studying decibel levels in hand dryers since age nine. Parent comment
Are there no noise regulations for vehicles in the US then? EU does have these thankfully, currently 74dB but meant to go down to 68dB by 2024.
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Are there no noise regulations for vehicles in the US then? EU does have these thankfully, currently 74dB but meant to go down to 68dB by 2024.