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PLANT, PIPELINE AND EQUIPMENT
12 Months Ended
Dec. 31, 2013
PLANT, PIPELINE AND EQUIPMENT [Abstract]  
PLANT, PIPELINE AND EQUIPMENT
 
NOTE 7 – PLANT, PIPELINE AND EQUIPMENT

   
2013
  
2012
 
   
(thousands of dollars)
 
Platinum catalyst
 $1,612  $1,612 
Land
  1,577   1,577 
Plant, pipeline and equipment
  71,115   64,356 
Construction in progress
  824   937 
Total plant, pipeline and equipment
  75,128   68,482 
    Less accumulated depreciation
  (33,203)  (28,062)
Net plant, pipeline and equipment
 $41,925  $40,420 

Plant, pipeline and equipment serve as collateral for a $14.0 million term loan with a domestic bank (see Note 10).

Interest capitalized for construction for 2013, 2012 and 2011 was not significant to the consolidated financial statements.

Catalyst amortization relating to the platinum catalyst which is included in cost of sales was $38,232, $19,268 and $12,736 for 2013, 2012 and 2011, respectively.