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Inventories
6 Months Ended
Jun. 30, 2012
Inventories

3. Inventories

Inventories consist of the following:

 

     June 30,
2012
     December 31,
2011
 

Finished products

   $ 199,763       $ 234,830   

Feedstock, additives and chemicals

     153,996         207,899   

Materials and supplies

     53,365         48,048   
  

 

 

    

 

 

 

Inventories

   $ 407,124       $ 490,777