In the event that releases of dust, fumes, smoke, gases, mists, vapors, or other substances occur in such quantity as to create imminently hazardous levels, the owner or operator of the source shall take all necessary emergency acts to cause the release to cease, to notify nearby residents and occupants, to assist in evacuation if deemed necessary, to notify the Department immediately, and to take such other action as responsible officials deem advisable.
S.C. Code Regs. § 61-62.4.D