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Inventories
9 Months Ended
Sep. 30, 2014
Inventory Disclosure [Abstract]  
Inventories

4. Inventories
The major components of inventories were as follows:
 
September 30,
2014
 
December 31,
2013
Petroleum products
$
71,353

 
$
71,373

Crude oil
16,711

 
5,380

Caustic soda
2,727

 
2,679

NaHS
8,588

 
5,845

Other
11

 
53

Total
$
99,390

 
$
85,330


Inventories are valued at the lower of cost or market. The market value of inventories was below recorded costs by approximately $1.8 million at September 30, 2014; therefore we reduced the value of inventory in our Unaudited Condensed Consolidated Financial Statements for this difference. At December 31, 2013, market values of our inventories exceeded recorded costs.