A LARGE VOLUME OF HOT CLINKER WAS DEPOSITED ONTO THE HIGH TEMPERATURE CONVEYOR BELT IN THE CLINKER STORAGE BUILDING. THE HOT CLINKER IGNITED THE BELTING MATERIAL, CAUSING A FIRE. MOUNTAIN CEMENT COMPANY MANAGEMENT MADE THE DECISION TO LET THE FIRE BURN AND NOT EXPOSE PERSONNEL TO THE FIRE OR FUMES. FIRE LASTED APPROX. 50 MINUTES. PROPERTY DAMAGE ONLY.