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Inventories
9 Months Ended
Sep. 30, 2015
Inventory Disclosure [Abstract]  
Inventories
Inventories
The major components of inventories were as follows:
 
September 30,
2015
 
December 31,
2014
Petroleum products
$
14,500

 
$
30,108

Crude oil
28,352

 
7,266

Caustic soda
3,265

 
2,850

NaHS
2,952

 
6,603

Other

 
2

Total
$
49,069

 
$
46,829


Inventories are valued at the lower of cost or market. The market value of inventories was below recorded costs by approximately $1.1 million and $6.6 million at September 30, 2015 and December 31, 2014, respectively; therefore we reduced the value of inventory in our Condensed Consolidated Financial Statements for this difference.