Environmental Liabilities and Expenditures (Tables)

9 Months Ended

Sep. 30, 2011

Environmental Liabilities and Expenditures

Environmental loss contingencies by categories of sites

	Number of Sites	Reserve Balance (in millions)
NPL sites	38	$	59
Third-party sites	81	94
Occidental-operated sites	21	111
Closed or non-operated Occidental sites	29	91
Total	169	$	355