15.10.100: LOG REQUIRED:
   A.   A record of the detonation of each explosive device shall be kept by the permittee upon forms furnished by the City. A copy of such record shall be filed with the City. The record shall include the following:
      1.   The name of the company;
      2.   The blast location;
      3.   The date and time of the blast;
      4.   The number of holes, diameter of holes, depth of holes, spacings and burdens, delay intervals, total weight of explosives and maximum weight of explosives fired per day;
      5.   The distance and direction to the nearest structure, except high tension lines, supporting towers and appurtenances;
      6.   The name and signature of the firm or individual conducting the blasting; and
      7.   Weather conditions.
   B.   Such log shall be filed with the City and the seismologist retained pursuant to section 15.10.060 of this chapter within twenty four (24) hours after each blasting event, or prior to the next detonation of an explosive device if it occurs prior to the expiration of twenty four (24) hours. (Ord. 17-31)