
    NORTHERN TIER SOLID WASTE AUTHORITY, d/b/a Bradford County Landfill, McKean County Solid Waste Authority, Clinton County Solid Waste Authority, d/b/a Wayne Township Landfill, Appellants v. COMMONWEALTH of Pennsylvania, DEPARTMENT OF REVENUE; Larry P. Williams, Secretary of the Department Of Revenue; Commonwealth of Pennsylvania, Department of Environmental Protection; Kathleen A. McGinty Secretary of the Department of Environmental Protection; Commonwealth of Pennsylvania, Appellees Pennsylvania Waste Industries Association, Intervenors.
    Supreme Court of Pennsylvania.
    Feb. 20, 2007.
   ORDER

PER CURIAM.

The Order of the Commonwealth Court is AFFIRMED. The Application to List Case for Oral Argument is DENIED.  