(a) 
         The Allegheny County Bureau of Air Pollution Control submitted a letter on February 14, 1985, certifying that there are no kraft pulp mills in the County subject to  part 60, subpart B of this chapter.
     
    
        
        (b) 
         The City of Philadelphia Air Management Services submitted on February 22, 1985, a letter certifying that there are no existing kraft pulp mills in the City subject to  part 60, subpart B of this chapter.
     
    
        
            Code of Federal Regulations
        
        [50 FR 47735, Nov. 20, 1985]