Environmental Liabilities and Expenditures (Tables)

3 Months Ended

Mar. 31, 2017

Environmental Liabilities and Expenditures

Environmental remediation reserves by categories of sites

	Number of Sites	Reserve Balance (in millions)
NPL sites	33	$	460
Third-party sites	68	160
Occidental-operated sites	17	110
Closed or non-operated Occidental sites	29	137
Total	147	$	867