Chapter 10.12 NOISE This chapter is included in your selections. Sections: 10.12.090 Declaration of policy. 10.12.100 Definitions. 10.12.200 Emergency exemptions. 10.12.300 Noises prohibited. 10.12.400 Designation of environments. 10.12.500 Environmental noise levels. 10.12.600 Motor vehicle noise levels. 10.12.700 Administration. 10.12.800 Penalty for violations.