Quarterly report pursuant to sections 13 or 15(d)

INVENTORIES

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INVENTORIES
6 Months Ended
Jun. 30, 2013
INVENTORIES [Abstract]  
INVENTORIES
5. INVENTORIES

Inventories include the following:

   
June 30, 2013
   
December 31, 2012
 
   
(thousands of dollars)
 
Raw material
 
$
3,740
   
$
3,591
 
Petrochemical products
   
8,576
     
6,249
 
Total inventory
 
$
12,316
   
$
9,840
 

Inventories are recorded at the lower of cost, determined on the last-in, first-out method (LIFO), or market.  At June 30, 2013, and December 31, 2012, current cost exceeded LIFO value by approximately $1.4 million and $2.2 million, respectively.

Inventories serving as collateral for the Company’s line of credit with a domestic bank were $4.6 million and $5.1 million at June 30, 2013, and December 31, 2012, respectively (see Note 8).

Inventory included products in transit valued at approximately $4.6 million and $2.9 million at June 30, 2013, and December 31, 2012, respectively.