The CIMAH Regulations are applicable to manufacturers undertaking industrial activities which involve the processing, utilisation, production or storage of hazardous substances in a quantity which exceeds the threshold quantity as listed in schedules 1 and 2, except nuclear installations, installations belonging to the armed forces, a vehicle or vessel transporting hazardous substances to or from the site of an industrial activity, or manufacturers undertaking industrial activities which involve a quantity of hazardous substance which is equal to or less than 10 per cent of the threshold quantity of the hazardous substance.