Chapter 9.25 NOISE This chapter is included in your selections. Sections: 9.25.010 Purpose. 9.25.020 Findings. 9.25.030 Scope. 9.25.040 Definitions. 9.25.050 General prohibition. 9.25.060 Noises prohibited. 9.25.070 Exemptions. 9.25.080 Enforcement. 9.25.090 Penalties.