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Inventories
9 Months Ended
Sep. 30, 2013
Inventories  
Inventories

6. Inventories

        Inventories consisted of the following:

 
  September 30,
2013
  December 31,
2012
 
 
  (in millions)
 

Materials and supplies

  $ 2.2   $ 0.6  

Finished goods

    2.8     5.2  
           

Total

  $ 5.0   $ 5.8