CONCENTRATION OF CREDIT RISK AND TRADE ACCOUNTS RECEIVABLE (Tables)

3 Months Ended

Mar. 31, 2014

Consolidated revenue concentration

Schedule of consolidated revenue attributed to Formosa and Sherwin

The percentage of total consolidated revenue for each customer that exceeded 10% of total revenues for the three months ended March 31, 2014 and 2013 was as follows: 

	Three Months Ended March 31,
	2014		2013
Trafigura AG	12.2	%	(a)
Sherwin Alumina Company	(a)		11.7	%
Formosa Hydrocarbons Co., Inc.	(a),(b)		12.0	%

(a) Information is not provided for periods for which the customer or producer was less than 10% of our consolidated revenue.

(b) Our contract with Formosa terminated on June 1, 2013.

Top ten customers

Consolidated revenue concentration

Schedule of consolidated revenue attributed to Formosa and Sherwin

Our top ten customers for the three months ended March 31, 2014 and 2013 represent the following percentages of consolidated revenue: 

	Three Months Ended March 31,
	2014		2013
Top ten customers	64.6	%	60.3	%