Environmental Liabilities and Expenditures (Tables)

6 Months Ended

Jun. 30, 2013

Environmental Liabilities and Expenditures

Environmental loss contingencies by categories of sites

	Number of Sites		Reserve Balance (in millions)
NPL sites		33	$	52
Third-party sites		76		74
Occidental-operated sites		22		121
Closed or non-operated Occidental sites		30		80
Total		161	$	327