Chapter 19.68 PERFORMANCE STANDARDS AND NOISE CONTROL This chapter is included in your selections. Sections: 19.68.010 General provisions. 19.68.020 Definitions. 19.68.030 Exterior noise limits. 19.68.040 Interior noise limits. 19.68.050 Prohibited acts. 19.68.060 Special provision (exemptions). 19.68.070 Exceptions. 19.68.078 Enforcement. 19.68.090 Appendices.