The following activities shall be exempted from the provisions of this chapter:
A. Activities conducted on the grounds of any public nursery, elementary, intermediate or secondary school or college.
B. Outdoor gatherings, public dances and shows, provided said events are conducted pursuant to a permit as required by this code.
C. Activities conducted on any park or playground, provided such park or playground is owned and operated by a public entity.
D. Any mechanical device, apparatus or equipment used, related to or connected with emergency machinery, vehicle or work.
E. Noise sources associated with construction, repair, remodeling, or grading of any real property, provided said activities do not take place between the hours of 7:00 p.m. and 7:00 a.m. on weekdays, including Saturday, or at any time on Sunday or a federal holiday.
F. All mechanical devices, apparatus or equipment which are utilized for the protection or salvage of agricultural crops during periods of potential or actual frost damage or other adverse weather conditions.
G. Mobile noise sources associated with agricultural operations; provided such operations do not take place between the hours of 7:00 p.m. and 7:00 a.m. on weekdays, including Saturday, or at any time on Sunday or a federal holiday.
H. Mobile noise sources associated with agricultural pest control through pesticide application, provided that the application is made in accordance with restricted material permits issued by or regulations enforced by the Agricultural Commissioner.
I. Noise sources, associated with the maintenance of real property, provided said activities take place between 7:00 a.m. and 7:00 p.m. on any day.
J. Any activity to the extent regulation thereof has been preempted by state or federal law.
('61 Code, § 7B.7) (Ord. 812, passed - - )