No blasting operations shall be conducted within the corporate limits except on weekdays, which are not otherwise legal holidays or Sundays, and only then between the hours of 8:00 a.m. and 4:30 p.m., provided, however, that in the event of the City Seismologist and the Fire Chief agree that an emergency situation exists, such hours and times of blasting may be specifically varied to counteract such emergency.
(Ord. 1987-26. Passed 5-18-87.)