Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES

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INVENTORIES
9 Months Ended
Sep. 30, 2016
INVENTORIES [Abstract]  
INVENTORIES
5. INVENTORIES

Inventories include the following:

   
September 30, 2016
   
December 31, 2015
 
   
(thousands of dollars)
 
Raw material
 
$
2,074
   
$
2,905
 
Work in process
   
72
     
56
 
Finished products
   
16,230
     
12,843
 
    Total inventory
 
$
18,376
   
$
15,804
 

The difference between the calculated value of inventory under the FIFO and LIFO bases generates either a recorded LIFO reserve (i.e., where FIFO value exceeds the LIFO value) or an unrecorded negative LIFO reserve (i.e., where LIFO value exceeds the FIFO value).  In the latter case, in order to ensure that inventory is reported at the lower of cost or market and in accordance with ASC 330-10, we do not increase the stated value of our inventory to the LIFO value.

At September 30, 2016, and December 31, 2015, LIFO value of petrochemical inventory exceeded FIFO; therefore, in accordance with the above policy, no LIFO reserve was recorded.

Inventory serves as collateral for our amended and restated credit agreement.  See 10.

Inventory included petrochemical products in transit valued at approximately $2.8 million and $2.7 million at September 30, 2016, and December 31, 2015, respectively.