(5)Spontaneous ignition. - Where materials are likely to induce spontaneous ignition, care shall be taken to avoid formation of air pocket and to ensure adequate ventilation. The materials susceptible to spontaneous ignition shall be stored in dry condition and shall be in heaps of such capacity and separated by such passage which will prevent fire. The materials susceptible to ignition and stored in the open, shall be at a distance not less than ten metres away from process or storage buildings.
