Utah Admin. Code R650-222-4 - Maximum Sound Level SAE J1970
Except when produced because of a stationary sound level test as prescribed by Society of Automotive Engineers test SAE J2005, a person may not operate a motorboat on the waters of this state in such a manner as to exceed a noise level of 75dB(A) when measured as specified in Society of Automotive Engineers test SAE J1970.
Notes
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