Any person, upon discovering evidence of spontaneous
heating or other abnormal heating of any merchandise, commodity, cargo shipment
or other material of any kind in any building, marine vessel, appliance, apparatus,
tank or open stack or pile, or any other person, upon discovering or being
apprised of any uncontrolled hazardous gas leak or hazardous material or combustible
or flammable liquid spill, shall immediately notify the Fire Department.