1. Incineration or disposal by the United States Department of Defense of any hazardous substance resulting from activities associated with environmental cleanup at a facility not currently involved in the production of weapons, located in any county of the first classification with a charter form of government and a population of less than three hundred thousand inhabitants, shall be limited only to wastes produced and located at the site where such incineration or disposal is conducted.

2. No incineration of any hazardous substance at such facility shall be conducted after five calendar years following the completion of the test burn of such incineration.