Sound pressure level.
Riverside Municipal Code § 7.10.205
in effect7.10.205 - Sound pressure level.
"Sound pressure level" means 20 times the logarithm to the base ten of the ratio of the pressure of this sound to the reference pressure, which reference pressure shall be explicitly stated.
(Ord. 7489 § 10, 2019; Ord. 6273 § 1(part), 1996)
Source: City of Riverside, California, Municipal Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/ca/riverside/codes/code_of_ordinances?nodeId=PTIICOOR_TIT7NOCO_CH7.10DE_7.10.205SOPRLEFetched: 11/1/2026
