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Major Customers and Suppliers (Tables)

12 Months Ended

Dec. 31, 2011

Major Customers and Suppliers

Schedule of sales to major customers

		Year Ended December 31,
		2011			2010			2009
Petroleum
Customer A			15	%		14	%		14	%
Customer B			12	%		11	%		10	%
Customer C			9	%		10	%		11	%
			36	%		35	%		35	%
Nitrogen Fertilizer
Customer D			17	%		12	%		15	%
Customer E			12	%		10	%		9	%
			29	%		22	%		24	%

Petroleum | Supplier concentration

Major Customers and Suppliers

Schedule of purchases contracted as a percentage of the total cost of product sold (exclusive of depreciation and amortization)

		Year Ended December 31,
		2011			2010			2009
Petroleum
Supplier A			65	%		64	%		69	%

Nitrogen Fertilizer | Supplier concentration

Major Customers and Suppliers

Schedule of purchases contracted as a percentage of the total cost of product sold (exclusive of depreciation and amortization)

		Year Ended December 31,
		2011			2010			2009
Nitrogen Fertilizer
Supplier B			5	%		5	%		5	%

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- Definition

Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

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-Publisher AICPA

-Name Statement of Position (SOP)

-Number 94-6

-Paragraph 21, 22, 23, 24, 25

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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