Section 16908(2)(c) of Part 169, Scrap Tires, of the Natural Resources and Environmental Protection Act, 1994 PA 451, as amended (NREPA), requires that the Scrap Tire Regulatory Fund shall be used: For the cleanup or collection of abandoned scrap tires1 and scrap tires at collection sites. The department shall give priority to funding activities under this subdivision at collection sites in which the scrap tires were accumulated prior to January 1, 1991, and to collection sites that pose an imminent threat to public health, safety, welfare, or the environment. The department shall make every effort to assure that all abandoned scrap tires accumulated at collection sites prior to January 1, 1991, are cleaned up or collected by September 31 [sic], 2009.