No blasting 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 seismologist and the Planning Commission agreeing that an emergency situation exists, such hours and times of blasting may be specifically varied to counteract such emergency.
(Ord. 1396. Passed 8-13-92.)