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Only wooden rods shall be used for tamping explosive materials and such rods shall have no metal tips or parts other than non-ferrous metal ferrules for extending the length of the wooden rod. The end of the tamping stick shall be kept square and of such minimum diameter that the tamping stick will not by-pass the cartridges in the hole.
Every person in charge of a blasting operation shall notify the Department of the estimated time of detonation. Such notification shall be made not later than 4:00 p.m. of the last working day prior to the proposed date of detonation, and in no case shall notification be made less than 24 hours prior to the estimated time of detonation.
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