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INVENTORIES
3 Months Ended
Mar. 31, 2014
INVENTORIES [Abstract]  
INVENTORIES
4. INVENTORIES

Inventories include the following:

   
March 31, 2014
  
December 31, 2013
 
   
(thousands of dollars)
 
Raw material
 $2,500  $2,403 
Petrochemical products
  9,477   9,660 
Total inventory
 $11,977  $12,063 
 
Inventories are recorded at the lower of cost, determined on the last-in, first-out method (LIFO), or market.  At March 31, 2014, and December 31, 2013, current cost exceeded LIFO value by approximately $2.0 million and $1.5 million, respectively.

Inventories serving as collateral for our line of credit with a domestic bank were $3.6 million and $4.9 million at March 31, 2014, and December 31, 2013, respectively (see Note 7).

Inventory included products in transit valued at approximately $6.5 million and $4.4 million at March 31, 2014, and December 31, 2013, respectively.