Quarterly report pursuant to sections 13 or 15(d)

INVENTORIES

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INVENTORIES
9 Months Ended
Sep. 30, 2013
INVENTORIES [Abstract]  
INVENTORIES
5. INVENTORIES

Inventories include the following:

   
September 30, 2013
   
December 31, 2012
 
   
(thousands of dollars)
 
Raw material
  $ 3,937     $ 3,591  
Petrochemical products
    9,173       6,249  
Total inventory
  $ 13,110     $ 9,840  
 
Inventories are recorded at the lower of cost, determined on the last-in, first-out method (LIFO), or market.  At September 30, 2013, and December 31, 2012, current cost exceeded LIFO value by approximately $2.3 million and $2.2 million, respectively.

Inventories serving as collateral for the Company’s line of credit with a domestic bank were $5.9 million and $5.1 million at September 30, 2013, and December 31, 2012, respectively (see Note 8).

Inventory included products in transit valued at approximately $4.4 million and $2.9 million at September 30, 2013, and December 31, 2012, respectively.